MK-031MK-047MK-048MK-052MK-061MK-062MK-063MK-065MK-069MK-070MK-071MK-072MK-095MK-100MK-101MK-102MK-113MK-120MK-124MK-134MK-135

Quiz MasterLED DiceLucky NumberDigital DiceJack - PotShoot At SightPatienceStar-DotMine SweeperJewel ThiefDigital Mathematical TableCricketToss - Head Or TailElectronic DiceMatching PairMind ReaderFun With AlphabetsQuiz Of Logic GatesLabyrinth- BhulbhullayaSnake And LadderSand Clock

MK-024MK-025MK-029MK-050MK-054MK-055MK-066MK-067MK-076MK-081MK-082MK-083MK-107MK-117MK-118MK-123MK-130MK-131MK-136MK-140MK-145

Traffic Signal SystemDigital Traffic SignalOffice/Hotel Call Bell SystemElectronic Voting MachineAuto Flush ValveToken Indicator(Thumbwheel)Token Indicator (Keypad)Touch SwitchStrength IndicatorTension IndicatorBlow SwitchElectronic LanternBar Code ReaderElection Voting MachineDigital Volume ControlTruth Table Of GatesReferendum Voting MachineTaxi Fare Meter555 TimerMouse TrapAttendance Muster

GENERAL

GAMES

MK-008MK-041MK-042MK-043MK-045MK-046MK-049MK-051MK-053MK-056MK-058MK-059MK-064MK-078MK-106MK-133MK-148

Light Actived SwitchLED ClockFlashing LEDsRunning LdsIR Remote SwitchLED FlashersLight DimmerPeacock feather LED LightMoving LED DisplayLED Remote SwitchSUN flowerStreet Light ControllerAC Flashing LampLED Direction IndicatorPendulumEmergency LED LampPIR Light Controller

MK-011MK-012MK-022MK-023MK-033MK-034MK-035MK-036MK-037MK-044MK-075MK-084MK-085MK-110MK-116

Digital Capacitance MeterBattery Drain IndicatorElectronic ThermometerLux MeterTransistor TesterLogic ProbePulse GeneratorFunction GeneratorAudio Signal GeneratorCable TesterSound meterCapacitance MeterFrequency MeterSpeedo meterColor Code Identifier

POWER SUPPLYMK-032MK-093MK-094MK-097mk-109MK-125MK-127MK-143

Variable Power SupplyLead Acid Battery ChargerRegulated Power SupplyBattery EliminatorDual Power SupplyWireless Power TransmissionNi-Cd Battery ChargerLM-317 Power Supply

LIGHT

TESTING EQUIPMENTS

AUTOMATION

MK-001MK-002MK-003MK-004MK-005MK-006MK-007MK-009MK-010MK-013MK-014MK-015MK-016MK-017MK-026MK-027MK-038MK-039MK-040MK-057MK-086MK-089MK-090MK-091MK-092MK-099MK-103MK-104MK-108MK-115MK-122MK-128MK-129MK-137MK-138MK-139MK-142MK-144MK-146MK-147MK-150

Digital Batch CounterDigital Preset TimerDigital Cyclic TimerDigital Speed IndicatorDigital Frequency IndicatorDigital Temperature IndicatorStop WatchUnder/Over Voltage MonitorDigital Volt MeterLow Speed AlarmR. P. M. SwitchSequential TimerWater Level ControllerSingle Phase PreventorMulti Channel SwitchAlarm AnnunciatorElectronic Universal TimerSingle Cycle TimerDigital CounterDigital Temperature ControllerWeight IndicatorDC Motor Speed ControllerLuggage Lift ProgrammerDigital ScaleLiquid Level IndicatorHand DryerCapacitive SwitchDigital Time AlarmLong Duration TimerDirection SensorAuto TapDigital Liquid Level IndicatorDigital Liquid Level ControllerRain AlarmMoisture IndicatorMoisture Base Pump ControllerAutomatic Sliding DoorAutomatic Washing MachineFridge ControllerDigital ClockHeater Controller

MK-018MK-020MK-021MK-060MK-073MK-074MK-077MK-141MK-149

Metal DetectorBurglar AlarmSecurity Alert SystemSmoke DetectorSirenFiber AlarmIR Security AlarmPIR Security AlarmFire Exstiguisher

LOCKSMK-019MK-028MK-030MK-068MK-079MK-080MK-096MK-105MK-121

Secret Code LockInductive LockThumbwheel LockMagnetic LockOptical LockMagic LockDigital Lock3 Digit Multi Channel LockBank Locker Lock

MK-401MK-402MK-403MK-404MK-405MK-406MK-407MK-408MK-409MK-410

Path Tracer Auto CarTime Control Auto CarCircular Motion Auto CarWired Control Auto CarObstacle Detector Auto CarGoods CarrierWireless Auto CarPick And Place Jaw

MK-501MK-502MK-503MK-504MK-505MK-506MK-507MK-508MK-509MK-510

MK-GP-501MK-GP-502MK-GP-503MK-GP-504MK-GP-505MK-GP-506MK-GP-507MK-GP-508MK-GP-509MK-GP-510

SECURITY

ROBOTICS

GENERAL PURPOSE P.C.B.

MICRO-CONTROLLERMK-301MK-302MK-303MK-304MK-305MK-306MK-307MK-308MK-309MK-310MK-311MK-312MK-313MK-314MK-315MK-316MK-317MK-318MK-319MK-320

Hotel/Office Call Bell SystemElectronic Game O & XElevatorAlarm AnnunciatorSequential TimerSecurity SystemUniversal TimerVoting MachineRolling DisplayDigital Temperature ControllerTraffic Signal SystemDigital Calender- ClockPacking Machine ControllerEnergy MonitorUniversal CounterQuiz MasterMulti Channel TimerRunning LightDisco LightResistor Colour Code Identifier

JUNIORMK-701MK-702MK-703MK-704MK-705

Magnetic Flashing LEDSalt CellDancing DollJumping FrogD.C.Motor

MK-087MK-088MK-098MK-111MK-112MK-114MK-119MK-132

Hearing AidsA.M. TransmitterElectronic HermoniumF. M. TransmitterF. M. ReceiverIntercomMusical Door BellUltrasonic Switch

MK-601MK-602MK-603MK-604MK-605MK-606

Inductive SensorCapacitive SensorMagnetic SensorOptical SensorMagnetic FloatWater Level Sensor

SOUND

ACCESSORIES

USING LOGIC GATE IC`SCD4093,CD4011,CD4023,CD4068,CD4001,CD4012

016,019,020,021,024,027,029,030,031,038,039,050,053,056,061,065,067,068,069,070,071,073,078,079,089,090,095,096,105,115,117,121,122,130,131,134,137,139,140,141,142,144,145,146,148,149,150

USING COUNTER IC`S CD 4543,CD 4510, CD4017, CD4518, CD 4040

001,002,003,004,005,007,011, 015, 021, 025, 026, 040, 041,048,051,052,053,055,061,062,066, 071, 095, 102, 104, 105, 106, 107, 108, 116, 117,118

USING OPAMP LM358,LM324,LM386,OP-07

006,009,018, 028, 034, 045, 054, 057, 058, 075, 077, 082, 083, 086, 087, 088, 103, 114

USING TIMER IC NE 555

011, 013, 014, 020, 024, 027, 028, 029, 033, 036, 043, 045, 046, 047, 053, 056, 058, 061, 062, 065, 069, 070,071, 072, 074, 076, 077, 078, 079, 081,095, 101, 106, 113

USING LEDs

022, 023, 024, 025, 027,029, 031, 041, 042, 043, 045, 046, 047, 048, 051, 052,053, 056, 058, 061, 062, 065, 069, 070, 071, 072, 074, 076, 077, 078, 079, 081, 095, 101, 106, 113

USING SCR, DIAC, TRIAC

008, 049, 063, 064, 065

USING LIGHT SENSORS LDR,TIL38/TIL81, OPTO-ISOLATOR, FIBER OPTICS

008, 017, 023, 045, 054, 056, 058, 059, 060, 074, 077, 079,107,122

USING DISPLAY LT 542,LT543

001,002, 003, 004, 005, 006, 007, 010, 011, 025,040, 052, 066, 071, 084, 091,100, 102, 104, 107, 116, 117

USING THUMBWHEEL

001,002, 003, 030, 055

USING SPEAKER

073, 087, 098, 112, 114, 119, 120

MK-07

DIGITAL BATCH COUNTERMEGA-KIT 001You can use this counter to make the batches of any items. Set the item quantity of the batch with the help of thumbwheel. Input signal will be from object sensor such as proximity switches, limit switches. Counter counts down the set value to 0000. As soon as it reaches zero, relay will trip system to stop further counting.

DIGITAL PRESET TIMERMEGA-KIT 002

This is digital 99 second preset timer. Set required time by thumbwheel and press`START/RESET` push button. Timer will start counting down. When it reaches 00,relay will be on. Potential free relay contacts can be used for control action.

DIGITAL CYCLIC TIMERMEGA-KIT 003Cyclic timer has two separate on and off setting by two set of two thumb wheels.Two separate two digit displays will indicate on and off time by down counting. Useful in automation, process control etc.

DIGITAL SPEED INDICATORMEGA-KIT 004

This device accepts signal from any speed sensor such as optical, magnetic,inductive, micro, limit switches. Four digit display shows speed of rotating object.

FREQUENCY INDICATORMEGA-KIT 005

Frequency of any shaped sine, square, triangle, pulse waveform up to 1 KHz can be measured on four digit display. Useful laboratory instrument to measure audio video, oscillator signal frequency.

TEMPERATURE INDICATORMEGA-KIT 006

This temperature indicator uses `J/K` type thermocouple as temperature sensor.Temperature range is 0-200 oC. Useful for heaters, boiling liquids ,hot objects, ovens, fridges, furnaces, sealers, in process control and automation.

DIGITAL STOP WATCHMEGA-KIT 007

This is digital 99 second stop watch. Pressing `START` push button will start crystal controlled precision clock generator giving one pulse per second countedby digital display. It can be stop by `STOP` push button. Useful in sports events,athaletics, industrial, chemical process industries

LIGHT ACTIVATED SWITCHMEGA-KIT 008

This low cost circuit without relay and transformer uses diac and triac to switch on the AC lamp up to 100 watts. The lamp will be on as soon as the lightintensity goes low and will switch off as soon as light intensity becomes high. Light Dependant Resistor is used here to sense the light intensity.

U/O VOLTAGE MONITORMEGA-KIT 009

Protect your valuable electrical gadgets , motors from damage due to variation insupply voltage. Set upper and lower voltage limit with presets. As soon as voltagecrosses either of the limit relay will be off to cut off the supply to prevent damage.

MK-08

DIGITAL VOLT METERMEGA-KIT 010

3 ½ panel meter uses LSI 7107 A/D converter IC. The display indicates D.C.voltage from 200mV to 200V

DIGITAL CAPACITOR METERMEGA-KIT 011

Two digit digital capacitance meter measures capacitance of electrolytic, ceramic, tantalum, polyester, capacitors from Kpf to uf

BATTERY DRAIN INDICATORMEGA-KIT 012This tiny ten LED `s bar display indicates the status of the battery voltage in graphical form. Three different colour LED`s shows low(drain), normal and high(over charge0 voltage zones of the battery.

LOW SPEED ALARMMEGA-KIT 013

Controls the speed of the electric motor or any moving mechanism such as conveyors. The speed may reduce due to overload, uneven load, single phasing, low voltage. Under speed alarm will give audio-visual indication as soon as speed decreases below set value.

R. P. M. SWITCHMEGA-KIT 014

Watch out the time required for two consecutive operations. If it stretches beyond limit or speed of the operation reduces, this unit will alert you and trip the system.

SEQUENTIAL TIMERMEGA-KIT 015

Switches on and of nine different loads sequentially with set time. Useful forperiodical data collection , single indicator having multiple inputs, running lighthaving different effects, time based logic control.

WATER LEVEL CONTROLLERMEGA-KIT 016

Switches on the pump when water level in the upper tank goes below lowerprobe and switches off the pump as soon as water level reaches upper probe. It also switches off the pump if water in the lower tank goes below lower level probe thereby preventing the pump from dry running.

SINGLE PHASE PREVENTORMEGA-KIT 017

Unit stops three phase motor from running if one of phase out of three is absent due to loose contact, open circuit, low voltage due to over or unbalance load

METAL DETECTORMEGA-KIT 018

Metal detector locates metallic objects especially M.S. Buried under the ground,embedded in walls or hidden in the cloths. When metal comes in close proximity of the search coil, buzzer will sound as well as LED will light up to give indication.

SECRET CODE LOCKMEGA-KIT 019

In this four digit secret code lock relay will be on only when you enter correct 4digit number by key pad. Relay will be off by reset push button. Can operate AC-DC solenoid plunger through relay contacts to open or close door, safe or locker.

MK-09

BURGLAR ALARMMEGA-KIT 020

Burglar alarm is a protective device to prevent robbery. Gives audio-visual alarm as soon as some body tries to open door, shutter, windows, cupboard forcefully.

SECURITY ALERT SYSTEMMEGA-KIT 021

This interesting gadget keeps watch on security watchman on duty especially atnight. Watchman on duty has to register his hourly attendance on this unit. Row of 10 LEDs will show failure if any so that you can catch the defaulted security.

ELECTRONIC THERMOMETERMEGA-KIT 022

Handy indicator shows temperature in bar/dot graph giving effect of thermometer.Lm35 is used as temperature sensor. Wide temperature range can be selected.

LUX METERMEGA-KIT 023

This little unit measures light intensity. Photo transistor is used as a sensor. Dot/bar graph gives intensity in Lux. Useful in photography, controlling environmentalconditions, measurement of fog density, flame monitoring, dust measurement etc.

TRAFFIC SIGNAL SYSTEMMEGA-KIT 024

Conventional traffic signal system operating in city square. Four lamp posts eachhaving three indicators in form of LEDs , red LED for `STOP`, green LED for `GO` and yellow for `ALERT` to stop.

DIGITAL TRAFFIC SYSTEMMEGA-KIT 025

This is most sophisticated traffic control system having digital indication for both go and stop time. The indicator counts down for two separate values set by thumbwheel one for stop and other for go time. Conventional red LED for `STOP`and green for `GO` are provided.

MULTI CHANNEL SWITCHMEGA-KIT 026

With the help of single switch you can switch on and off nine different power points or equipments in sequence. You may use this for any sequential process operation by using various permutation and combination of output relay contacts.

ALARM ANNUNCIATORMEGA-KIT 027

Five channel alarm annunciator is a essential part of control panel in any process industries such as chemical, pharmaceutical, food, cement, sugar. It gives audio visual indication of any fault in the plant. Accept and reset facility is provided.

INDUCTIVE LOCKMEGA-KIT 028

All to gather different lock uses high frequency oscillator having inductive coil as a key. Lock accept signal from coil key to switch on relay to actuate solenoid.

HOTEL/OFFICE CALL BELL MEGA-KIT 029

One attendant can attend number of cabins/rooms. Main panel gives audio / visual indication of the person calling. Useful for offices , hotels, hospitals. The system has got accept and reset facility.

MK-10

THUMBWHEEL LOCKMEGA-KIT 030

Unique relay operated plunger lock system which opens with one two digit code number and close with another two digit code number. The code can be enter by two thumb wheels.

QUIZ MASTERMEGA-KIT 031

This is useful tool in quiz games. This master can be used for maximum six participants. Candidate who know answer has to press push button mounted infront of him. This gives audio signal in form of buzzer as well as visual indication in form of LED or lamp. On acceptance buzzer will be off but indication will on.At the same time pressing push button by other candidate will be in effective.

REGULATED POWER SUPPLYMEGA-KIT 032

This 0-30VDC1A regulated power supply is a must instrument in anybody`s electronic laboratories. Single chip regulator IC LM 350K is used. It gives regulated output voltage from 1.5V to 30V at 1Amp.

TRANSISTOR TESTERMEGA-KIT 033

This little gadget identifies unknown transistor whether PNP or NPN with correct pin configuration, base, collector and emitter.

LOGIC PROBEMEGA-KIT 034

This little handy tool gives quick look at logic states in digital logic circuit. TTL/CMOS options are provided. Logic high, low, intermittent are shown by different LEDsAlso indicates presence of pulse.

PULSE GENERATORMEGA-KIT 035

Simple pulse generator using IC CD4093 quad NAND gates. Wide range of frequency can be selected from 1Hz to MHz. Duty cycle i.e. On and off time can be set separately by two presets.

FUNCTION GENERATORMEGA-KIT 036

The function generator uses commonly available NE555 timer IC. It provides simultaneous output of sine, square, and triangular wave at three different points in the circuit.Wide frequency range is available.

AUDIO SIGNAL GENERATORMEGA-KIT 037

This is a simple circuit that gives sinusoidal output having frequency range 2-30KHz. IC LM 358 dual opamp is used. Useful for audio equipment testing.

UNIVERSAL TIMERMEGA-KIT 038

The circuit uses IC CD4093 quad NAND gate. Time range can be selected frommicro seconds to few hundred seconds. Three options on delay, off delay, cyclic mode are available. Two separate presets are provided to set on and off time.

MK-11

BURGLAR ALARMMEGA-KIT 039

This timer works only for one cycle. When `START` push button is pressed , cycle will start. Relay will on for set time. Then it will switch over to other set value for off time, during which you can not restart or reset the timer. After completion of total cycle only timer will be ready for next operation.

DIGITAL COUNTERMEGA-KIT 040

This four digit counter takes input from proximity switches, limit switches, reed switches etc. It counts upward up to 9999. Useful for revolution counting, job counting, length measurement etc.

DIGITAL LED CLOCKMEGA-KIT 041

Using simple CMOS IC`s make this clock which appears like conventionalmechanical clock. Sixty LEDs for minutes and twelve for hours placed in circular fashion. Single LED at center to indicate second. Precision crystal clock is used.

FLASHING LEDSMEGA-KIT 042

Simple two transistor a stable multi vibrator drives four LEDs each red and green alternatively to give blinking effect.

RUNNING LEDSMEGA-KIT 043

This amazing circuit gives three different running light effects , continuos inforward or reverse direction, stop and run effect, periodical change in forward and reverse direction.

CABLE TESTERMEGA-KIT 044

This tiny jig gives instant testing report of any multi core cable. Five LED panelshows open core as well as short between two cores. Three core cable can be tested at a time. Multi core cable can be tested by permutation combination.

IR REMOTE SWITCHMEGA-KIT 045

Infra red remote switch uses IR beam to switch on or off the equipments throughrelay from 3-4 meter. TIL38/81 transmitter/receiver pair is used. The signal isfrequency modulated to avoid effect of the day light or any other light source.

LED FLASHERSMEGA-KIT 046

The combination of various flashing methods displays variety of flashing LEDs.Blinking, slow on fast off, rapid on slow off, revolving effect, clock wise, anti clockwise revolving are few of them demonstrated in this circuit .

LED DICEMEGA-KIT 047

Use this six LED dice to play games like snake and ladder, businessman(naya vyapari), at home etc. Pressing push button all six LEDs will appear like on as they run at very high speed. After releasing the button one out of six will light up to show what number has to make move.

MK-12

LUCKY NUMBERMEGA-KIT 048

Test your luck with this single digit gamble. Set your lucky number on thumb wheel and press `START` push button. Ten LEDs will start running with high speed. As you release the push button one out of ten will light up and if it coincident with your selected number `WIN` LED will light up.

LIGHT DIMMERMEGA-KIT 049

230V AC operated dimmer is useful for controlling light intensity of incandescent lamp up to 100W or speed control of the fan. Diac and triac combination with angle control circuit is used.

MINI VOTING MACHINEMEGA-KIT 050

Mini voting machine is for two candidates with maximum voting of nine. Specialityof the circuit is it can cascaded to each other to increase number of candidates in multiply of two to any extend. Anther facility of connecting external countersextends the counting limit to any extend.

PEACOCK FEATHER LED LIGHTMEGA-KIT 051

Peacock feather spreading and closing effect is achieved in this circuit by placing 5 rows of 7 LEDs in half circular fashion. Circuit operates in last in first out mode.

DIGITAL DICEMEGA-KIT 052

Apart from the LED dice, this project has got feature of single digit indicator. This makes playing game like snake and ladder, at home , businessman interesting.

MOVING LED DISPLAYMEGA-KIT 053

This sign board welcomes guests with attractive moving LED display. Letters from the word `WEL-COME` lights up one by one , remains on for a while when all the letters light up and then vanishes. In this way cycle repeats. Cycle time can set.

AUTO FLUSH VALVEMEGA-KIT 054

This is a water saving system to be fitted in urinal to control the flow of water.The unit detects the entry and presence of the man in front of urinal and after exitof that man the valve opens for fix time to control the water.

TOKEN INDICATOR(T/W)MEGA-KIT 055

This digital indicator displays three digit token number. The number can be set with three BCD thumb wheels. After entering the number in the thumb wheel press the `SET` push button to display the set number.

LED REMOTE SWITCHMEGA-KIT 056

Using white LED or torch you can switch on or off relay remotely from 2-3 meter.LDR is used as a light sensing element. A sharp blink of LED switches on the relay and slightly longer duration blink will switch off the relay.

MK-13

TEMPERATURE CONTROLLERMEGA-KIT 057

LM35 is used as a temperature sensor in this controller. Two set points upperand lower are provided which can be set with the help of trimpot. Normally on relay will be off as temperature reaches upper set pint and will be on when temperature drops down to lower set point.

SUN FLOWERMEGA-KIT 058

This attractive show piece gives effect of blossoming of sun flower as sun rises,proceeds and sets. LDR is used to sense day light intensity. Four circles of LEDsstarts illuminating one by one in morning and start vanishing in the afternoon.

STREET LIGHT CONTROLLERMEGA-KIT 059

This street light controller switches on light as the sun sets and dark and switches off the light when sun rises. Here photo transistor is used as a light sensor.

SMOKE DETECTORMEGA-KIT 060

Opto isolator kept in a closed housing detects change in light intensity due to smoke and gives thyristor output to actuate relay. `RESET` facility is provided.

JACK-POTMEGA-KIT 061

Try your gambling luck here. Three columns of ten LEDs run simultaneously withdifferent speeds when you press the push button. After releasing the push buttonif three LEDs from each column comes in the same row, you will get points associated with that particular row. Maximum 100 points will be a jack- pot.

SHOOT AT SIGHTMEGA-KIT 062

Show your concentration and quick response here. Set the target out of ten high speed running LEDs. Hit it when called by second row of ten LEDs. There is more exiting option of random target. Here second row may call any moment tohit any target out of ten and you must be alert to respond.`WIN` LED is provided.

PATIENCEMEGA-KIT 063

This game will test your patience. A probe has to travel from `START` point up to`END` point without lifting it from the track as well as touching the side by track.

AC FLASHING LAMPMEGA-KIT 064

This operation theater AC lamp flashes at the rate of one pulse per second. Itdirectly operates from 230VAC. Transistorized a stable multi vibrator with SCR power circuit is used. Low power zero watt incandescent lamp is connected.

STAR-DOTMEGA-KIT 065

Amazing school time game of star and dot to be played by two players one forstar and other for dot. Game of nine squares , who first captures three in row,column, or diagonally , will win the game indicated by corresponding LED.

MK-14

TOKEN INDICATOR (KEYPAD)MEGA-KIT 066

This is sophisticated tdigit token indicator. It uses two key pads for two digit to enter the number. By pressing the key pad the digit advances by one number.

TOUCH SWITCHMEGA-KIT 067

Make this simple touch switch by using single CD 4093 quad NAND gate IC. Two separate touch plates are use one to switch on relay and another to switch off.

MAGNETIC SWITCHMEGA-KIT 068

Relay in this magnetic lock can be operated by magnet. Bringing magnet in closeproximity of two reed switch placed apart will switch on and off the relay .Usingrelay contacts plunger can be operated to open or close the lock.

MINE SWEEPERMEGA-KIT 069

This is a game of guessing. You have to spot mine hide in nine squares in minimum attempts. You may call this game as police and thief. As soon as you spot , the `WIN` LED will light up.

JEWEL THIEFMEGA-KIT 070

Ancient game of police and thief is formatted here as a `Jewel Thief`. Twoplayers , a police and a thief can play this game. Thief has to pick up jewel inform of yellow LED and police has to caught him quickly before he escape. So this is the game of quick reflections. Two LEDs for `ESCAPE` and `Caught`.

DIGITAL MATHEMATICAL TABLEMEGA-KIT 071

Learn mathematics with fun. Set the table you want from 1 to 9 by thumbwheel.And press `START` push button . Two digit display will star showing selectedtable one by one and stop when it finishes the last digit.

CRICKETMEGA-KIT 072

Now you can play cricket by electronics. To be played by two players , a blower and batsman. Ten LEDs arranged in different permutations and combinationsshow runs made and wicket gone on each ball played.

SIRENMEGA-KIT 073

This simple circuit using NE555 timer IC directly drives the speaker. It givessound of police siren .Useful in any type of alarm system.

FIBER ALARMMEGA-KIT 074

This is a security fencing arrangement. As soon as closed fiber loop is broken by any means you will get audio-visual indication.

SOUND (DB) METERMEGA-KIT 075

You can measure the sound level in decibel of any amplifier or music system. Range from -21 to +6 db can be seen on bar/dot graph.

MK-15

TEMPERATURE CONTROLLERMEGA-KIT 057

LM35 is used as a temperature sensor in this controller. Two set points upperand lower are provided which can be set with the help of trimpot. Normally on relay will be off as temperature reaches upper set pint and will be on when temperature drops down to lower set point.

SUN FLOWERMEGA-KIT 058

This attractive show piece gives effect of blossoming of sun flower as sun rises,proceeds and sets. LDR is used to sense day light intensity. Four circles of LEDsstarts illuminating one by one in morning and start vanishing in the afternoon.

STREET LIGHT CONTROLLERMEGA-KIT 059

This street light controller switches on light as the sun sets and dark and switches off the light when sun rises. Here photo transistor is used as a light sensor.

SMOKE DETECTORMEGA-KIT 060

Opto isolator kept in a closed housing detects change in light intensity due to smoke and gives thyristor output to actuate relay. `RESET` facility is provided.

JACK-POTMEGA-KIT 061

Try your gambling luck here. Three columns of ten LEDs run simultaneously withdifferent speeds when you press the push button. After releasing the push buttonif three LEDs from each column comes in the same row, you will get points associated with that particular row. Maximum 100 points will be a jack- pot.

SHOOT AT SIGHTMEGA-KIT 062

Show your concentration and quick response here. Set the target out of ten high speed running LEDs. Hit it when called by second row of ten LEDs. There is more exiting option of random target. Here second row may call any moment tohit any target out of ten and you must be alert to respond.`WIN` LED is provided.

PATIENCEMEGA-KIT 063

This game will test your patience. A probe has to travel from `START` point up to`END` point without lifting it from the track as well as touching the side by track.

AC FLASHING LAMPMEGA-KIT 064

This operation theater AC lamp flashes at the rate of one pulse per second. Itdirectly operates from 230VAC. Transistorized a stable multi vibrator with SCR power circuit is used. Low power zero watt incandescent lamp is connected.

STAR-DOTMEGA-KIT 065

Amazing school time game of star and dot to be played by two players one forstar and other for dot. Game of nine squares , who first captures three in row,column, or diagonally , will win the game indicated by corresponding LED.

MK-16

TOKEN INDICATOR (KEYPAD)MEGA-KIT 066

This is sophisticated tdigit token indicator. It uses two key pads for two digit to enter the number. By pressing the key pad the digit advances by one number.

TOUCH SWITCHMEGA-KIT 067

Make this simple touch switch by using single CD 4093 quad NAND gate IC. Two separate touch plates are use one to switch on relay and another to switch off.

MAGNETIC SWITCHMEGA-KIT 068

Relay in this magnetic lock can be operated by magnet. Bringing magnet in closeproximity of two reed switch placed apart will switch on and off the relay .Usingrelay contacts plunger can be operated to open or close the lock.

MINE SWEEPERMEGA-KIT 069

This is a game of guessing. You have to spot mine hide in nine squares in minimum attempts. You may call this game as police and thief. As soon as you spot , the `WIN` LED will light up.

JEWEL THIEFMEGA-KIT 070

Ancient game of police and thief is formatted here as a `Jewel Thief`. Twoplayers , a police and a thief can play this game. Thief has to pick up jewel inform of yellow LED and police has to caught him quickly before he escape. So this is the game of quick reflections. Two LEDs for `ESCAPE` and `Caught`.

DIGITAL MATHEMATICAL TABLEMEGA-KIT 071

Learn mathematics with fun. Set the table you want from 1 to 9 by thumbwheel.And press `START` push button . Two digit display will star showing selectedtable one by one and stop when it finishes the last digit.

CRICKETMEGA-KIT 072

Now you can play cricket by electronics. To be played by two players , a blower and batsman. Ten LEDs arranged in different permutations and combinationsshow runs made and wicket gone on each ball played.

SIRENMEGA-KIT 073

This simple circuit using NE555 timer IC directly drives the speaker. It givessound of police siren .Useful in any type of alarm system.

FIBER ALARMMEGA-KIT 074

This is a security fencing arrangement. As soon as closed fiber loop is broken by any means you will get audio-visual indication.

SOUND (DB) METERMEGA-KIT 075

You can measure the sound level in decibel of any amplifier or music system. Range from -21 to +6 db can be seen on bar/dot graph.

MK-17

STRENGTH INDICATORMEGA-KIT 076

Check your muscle power by pressing thumb on piezo element. More the impact pressure given on the surface of peizo more LEDs will light up on dot/bar graph.

IR SECURITY ALARMMEGA-KIT 077

Infra red security alarm uses TIL38/81 infra red LED and photo transistor as transmitter and receiver. As soon as any body interrupts transmitted signal relay will be switch on. This can be used as a sensor to count number of persons entering the gate or security purpose.

LED DIRECTION INDICATORMEGA-KIT 078

This attractive LED lighting arrays can be used as a direction indicator. Single IC CD 4093 quad NAND gates is used.

OPTICAL LOCKMEGA-KIT 079

The optical lock uses combination of LEDs as a key and combination of LDR asa lock. With the help of two separate push buttons for `OPEN` and `CLOSE`. With various combinations of four white LEDs you can activate/deactivate relay.

MAGIC LOCKMEGA-KIT 080

Based on principle of resonance circuit of two oscillators. One acts as a key and other as a lock. As soon as you brought key oscillator in proximity of the lock oscillator due to resonance, voltage will increase and relay will be actuated.

TENSION INDICATORMEGA-KIT 081

You may call this bio medical equipment as a lie detector. This device measureschange in the skin resistance with respect to the change in the emotional state.

BLOW SWITCHMEGA-KIT 082

This simple circuit can be used as a secret switch for security. Switch opens and closes by puffing out in front of the microphone.

ELECTRONIC LANTERNMEGA-KIT 083

Can you imagine electric lamp lights up with match box stick and switches off byblowing. This is the circuit where you can do so as we do in old kerosine lamp.

CAPACITANCE METERMEGA-KIT 084

This capacitance meter converts a stable frequency into D. C. voltage to read value of capacitance on 2VDC DPM/DMM. The range can be selectable.

FREQUENCY METERMEGA-KIT 085

This frequency meter converts frequency into proportionate D. C. Voltage to readdirectly on 2 VDC DPM/DMM. You can measure sine/ square/ triangular frequency from 100Hz to 1MHz in five ranges.

WEIGHT INDICATORMEGA-KIT 086

Load cell based on principle of strain gauge in bridge configuration is used here.2V D. C. DPM / DMM directly indicate weight in Kg.

MK-18

HEARING AIDSMEGA-KIT 087

This is low cost condenser micro phone amplifier which gives clear and loudsound output. Useful for those who are hard of hearing.

A. M. TRANSMITTERMEGA-KIT 088

This is medium power A. M. Transmitter having 100-150 mW RF power. It can be delivered up to the range of 5-10 meter.

DC MOTOR SPEED CONTROLMEGA-KIT 089

Based on PWM principle having separate adjustment facility for on and off time.This controller is useful for mini DC motors having load current up to 500mA.

LUGGAGE LIFT PROGRAMMERMEGA-KIT 090

Ideally useful luggage carrier lift. AC/DC motor with forward reverse facility can be driven by this circuit. Position sensors with indicators , calling push buttons with indicators and hold facility is provided. Circuit is designed for two storage.i

DIGITAL SCALEMEGA-KIT 091

Using LVDT as a movement detector this device gives direct reading of the distance between two points. Primary excited by high frequency oscillator induces proportionate emf In the secondary which is further rectified.

LIQUID LEVEL INDICATORMEGA-KIT 092

Magnetic float is used as a level sensor. Reed and magnet type sensor gives audio visual indication as soon as liquid reaches the desired set level.

LEAD ACID BATTERY CHARGERMEGA-KIT 093

Lead acid battery 12VDC7AH can be charge with the help of this charger. Thecharging voltage is 13.8VDC having current capacity around 1 Amp.

D. C. POWER SUPPLYMEGA-KIT 094

This power supply gives fixed DC regulated output by using three pin regulator IC78XX. We get 05/09/12/15/24VDC with maximum current rating of 1 Amp.

TOSS HEAD OR TAILMEGA-KIT 095

This is an entertaining game of head or tail. One out of two LEDs will light up when you release the push button. Very useful in out door as well as indoor game to decide who will call/play first.

DIGITAL LOCKMEGA-KIT 096

In this lock you can enter two separate two digit code number to open and close the lock with the help of key pad.

BATTERY ELIMINATORMEGA-KIT 097

Regulated power supply using zener diode for regulation, Can be used for any voltage and current using zener diode, transformer and filter capacitor of appropriate value.

LONG DURATION TIMERMEGA-KIT 108

This long duration timer is off delay timer having time intervals in hours. Twelveoutputs, each successive output gives double time interval so you can select from second to hours. The range is also adjustable.

MK-19

ELECTRONIC HERMONIUMMEGA-KIT 098

This musical instrument generates fifteen different notes of music. Heart of the circuit is a stable multi vibrator fabricated around IC NE 555 timer IC.

HAND DRYERMEGA-KIT 099

Heater with blower will switch on as soon as you brought your hands in front ofthe dryer and closes as soon as you remove your hands . IR sensors are used.

ELECTRONIC DICEMEGA-KIT 100

This attractive dice circuit select 0 to 7 numbers at random and indicates by seven LEDs arrange in dice form.

MATCHING PAIR(A & B)MEGA-KIT 101

Not only game but increases the basic knowledge in the electronics. Fourdifferent categories , gates and symbols, resistor colour code, transistors andsymbols, and different components and symbols with two different optionalboards A and B are available.

MIND READERMEGA-KIT 102

This is interesting game to be played between two. Assume two digit number and specify existence of that number in eight given tables. By entering table number in eight DIP switch ,two digit display will indicate figure in your mind

CAPACITIVE SWITCHMEGA-KIT 103

Capacitive switch senses any dielectric material such as wood, glass, plastic, rubber, all granules ,human body, all liquids, and all metals.

TIME ALARMMEGA-KIT 104

This two digit time alarm will give alarm after set time in minutes. The setting can be done by two push buttons. Crystal control clock is used.

3 DIGIT MULTI CHANNEL LOCKMEGA-KIT 105

Three digit multi channel lock operates three different equipments with three different three digit code numbers that can be enter by three push buttons.

PENDULUMMEGA-KIT 106

In this circuit ten LEDs are arrange in half circular manner that gives very attractive effect of pendulum as they move to and fro. The speed is adjustable..

BAR CODE READERMEGA-KIT 107

Bar code is a representation of binary number in space and bar format. It is detected by four optical sensors to indicate single digit bar code number.

MK-20

DUAL POWER SUPPLYMEGA-KIT 109

This simple dual +/- DC regulated power supply designed by using commonly available LM78XX +Ve voltage regulator and 79XX -Ve voltage regulator.

SPEEDOMETER USING DPMMEGA-KIT 110

This circuit is based on LM2917N frequency to voltage converter IC. This ICuses a charge pump technique to give frequency proportionate voltage outputwhich can be displayed by 3 ½ digit 2VDC digital panel meter or multi meter.

F. M. TRANSMITTERMEGA-KIT 111

F. M. Transmitter transmit your voice signal using high frequency carrier infrequency modulation mode up to maximum range of 100 meter.

F. M. RECEIVERMEGA-KIT 112

You can enjoy listening the programs from local F. M. Station or voice messagestransmitted by your F. M. Transmitter.

FUN WITH ALPHABETSMEGA-KIT 113

Ask your friend to choose any alphabet A to Z and ask table numbers which contains it. By pressing that number, display will show the alphabet chosen.

INTERCOMMEGA-KIT 114

A low cost two way intercom circuit with ring tone. Ring tone is generated by a stable multi vibrator of IC NE 555. High performance, low wattage condensermicro phone amplifier used for amplification of audio signal from micro phone.

DIRECTION SENSORMEGA-KIT 115

Direction of the moving object whether object is moving forward/ reverse, left/right, clockwise/anti clock wise, is sensed by using three position sensors.

COLOUR CODE IDENTIFIERMEGA-KIT 116

Get the direct digital reading of the colours of the colour code of the resistance.Ten keys are provided for ten colours , by pressing them you can read the valueof the corresponding colour directly on single digit display.i

ELECTION VOTING MACHINEMEGA-KIT 117

This election voting machine is for two candidates with maximum voting of 99.Speciality of this circuit is it can be cascaded with each other so that you can increase number of candidates in multiple of two to any extend. A single two digitcounter can be used to read voting of individual candidate.

DIGITAL VOLUME CONTROLMEGA-KIT 118

Digitally variable resistance. Two push buttons are provided to increase or decrease the resistance value in steps. The variation can be in ten equal stepsof the maximum resistance value. Useful for volume control or variable resistor.

MK-21

MUSICAL DOOR BELLMEGA-KIT 119

Ten different melody tunes in sequence with adjustment of tone and tempo of the tune is provided with volume control.

QUIZ OF LOGIC GATESMEGA-KIT 120

This is a refreshing quiz of the logic gates for the students of electronics. Circuit is designed in such a way that you have to select logic state at each step with the help of eleven short links so that finally LED will glow.

BANK LOCKER LOCKMEGA-KIT 121

Bank locker lock opens with two keys one from the customer and other from the bank. Same way this lock also needs two keys having four digit code to open.

AUTO TAPMEGA-KIT 122

Water tap automatically opens as soon as you brought your hand s nearby tapand closes as soon as you removes your hands. Infra red transmitter and photo transistor is used for sensing the hands. Solenoid is used for opening /closing.

TRUTH TABLE OF THE GATESMEGA-KIT 123

This circuit will give you truth tables of various gates used in electronic circuits such as buffer, NOT, AND, NAND, OR, NOR, EX-OR, EX-NOR. Switches are used to enter the status of the input low or high.

BHULBHULLAYA (LABYRINTH)MEGA-KIT 124

This is a amazing game of guessing and imagination. There are inlets and ten outlets. With the help of ten short link and lot of guess work and applying mindyou have reach the final destination in the form of lighting up of LED.

WIRELESS POWER TRANSMISSIONMEGA-KIT 125

High frequency high voltage oscillator with coil winded in ferrite pot core produces strong electromagnetic field which induces emf in the second coil which furtherrectifies to give D. C. Output.

MATCHING COLOURSMEGA-KIT 126

Very interesting gadget to match the colours. Photo voltanic cell is used here as a sensor. Reflection of the constant light source is detected by photo cell whichgenerates proportionate mV that are amplified is equal for same colour.

NI-CD BATTERY CHARGERMEGA-KIT 127

This Ni-Cd battery charger has got unique feature that can charge any type andany size of the Ni-Cd batteries by selecting proper voltage and current.

DIGITAL LEVEL INDICATORMEGA-KIT 128

This unique liquid level sensor gives digital reading in ohms of the liquid level.Here resistor and reed switches are arranged in ladder form in series.

MK-22

DIGITAL LEVEL CONTROLLERMEGA-KIT 129

Digital level controller controls upper and lower liquid levels in terms of percentage,,means relay will be on when liquid level is below set percentage and will be off when level is above upper set level in percentage.

REFERENDUM VOTE MACHINEMEGA-KIT 130

This illustrated machine shows the referendum voting on particular issue thatmeans how many are for it and how many are against it.

TAXI FARE METER MEGA-KIT 131

In taxi fare meter a digital counter counts the pulses from speed sensor in running condition and from the clock in waiting condition. `SET/RESET` facility.

ULTRA SONIC SWITCHMEGA-KIT 132

Ultra sonic transmitter and receiver pair is used for obstacle detection. Transmitted ultrasonic waves are reflected from obstacle surface and receivedby ultrasonic receiver.

EMERGENCY LED LAMPMEGA-KIT 133

Simple but useful lamp in case of power failure. It switches on automatically when electricity failed. Operates on 9V battery.

SNAKE AND LADDERMEGA-KIT 134

This is game of chance. When you press the push button, either you will climbthe ladder by one step or if found the snake mouth simply go down to ground.

SAND CLOCKMEGA-KIT 135

An ancient time gadget to measure the time. Twenty LEDs ten in the upper half,ten in the lower half are used. As time advances the on LEDs in upper half startvanishing and LEDs in lower half will be on one by one.

555 TIMERMEGA-KIT 136

Well known timer IC NE 555 wired as a stable as well as mono stable multivibrator. Can be used as cyclic / on delay / off delay timer. Time range selectable

RAIN ALARMMEGA-KIT 137

Simple circuit will give alarm of raining. Two copper tracks side by side are usedto sense water as it fall on the track bridges gap to reduce between the tracks.This change in resistance is detected to give audio-visual alarm.

MOISTURE INDICATORMEGA-KIT 138

Useful gadget in agriculture as moisture content in the soil will decide waterschedule for crops. Two test probes buried in the soil give the resistance between them which varies as per the moisture content in the soil.

MOISTURE BASED PUMP CONTROLMEGA-KIT 139

Energy saving device will switch on pump when water content in the soil goesbelow requirement and switches off pump as soon as it reaches desired level.

MK-23

MOUSE TRAPMEGA-KIT 140

Electronic mouse trap operates on capacitive sensor principle, As soon as mouse enters the sensing zone of capacitive sensor , it will be sense and actuate theplunger which release the trap door to close the entrance.

PIR SECURITY ALARMMEGA-KIT 141

PIR sensor measures IR light emitted from the heat generated by human body.The change in IR radiation amount will create the change in voltage whichfurther amplified and compare to give the signal of presence of human being.

AUTOMATIC SLIDING DOORMEGA-KIT 142

The door automatically opens as soon as somebody enters the sensing zone of PIR sensor mounted on the top and closes as the human being departs.

LM 317 POWER SUPPLYMEGA-KIT 143

Well known variable voltage regulator IC LM317 is used to get regulated output 0-30V D. C. With maximum current of 500mA.

AUTO WASHING MACHINEMEGA-KIT 144

This sequential process circuit operates water inlet, outlet, detergent dispenser,spinning motor in forward and reverse mode for predetermine time in sequence.

ATTENDANCE MUSTERMEGA-KIT 145

Attendance muster senses the BCD code from identity card and allow the person to press the push button to register his attendance which is stored in dual BCD counter which can be seen by connecting digital counter.

FRIDGE CONTROLLERMEGA-KIT 146

This low temperature controller having two set points for upper and lower level.Thermistor is used as a sensor whose resistance varies with the temperature.

DIGITAL CLOCKMEGA-KIT 147

Crystal control clock using simple digital IC. Four digit display show the real time in 24 hours mode in hours and minute format. Second is shown by blinking LED.

PIR LIGHT CONTROLLERMEGA-KIT 148

Light will be on when PIR senses existence of the human being. Time delay is provided to switch off the light after exit of the man.

FIRE EXTINGUISHERMEGA-KIT 149

Fire is sense in form of light and heat . When both the sensors give high heat and temperature signal relay will be on to open the valve of water tank.

HEATER CONTROLLERMEGA-KIT 150

Water heater controller used two set points one for upper and other for lower limit. Heater will be off when water start boiling and if temperature goes below it will restart the heater to maintain constant temperature.

MK-24

HOTEL CALL BELL SYSTEMMEGA-KIT 301

Micro controller based Hotel call bell system is a centralized control panel useful in offices, hospitals where single person has to attend number of rooms/ cabins.

ELECTRONIC GAME O AND XMEGA-KIT 302

Game of nine squares is to be played by two players. Both will try to occupythree squares in a row, column or diagonal. Those who occupy first will win.

ELEVATORMEGA-KIT 303

Micro controller based Elevator is designed for ground plus four floors. Five push buttons for calling lift, five indicators for lift position, up/down indicators for lift motion is provided on the panel. Micro switches are used for position sensing.

ALARM ANNUNCIATORMEGA-KIT 304

Alarm annunciator is a centralized system which give audio visual indication of any fault occurs in industrial plant. Eight inputs can be monitored. Opto isolators are used for signal isolation. Accept and reset facility is provides .

SEQUENTIAL TIMERMEGA-KIT 305

Sequential timer switches on and off ten different loads in sequence with preset time. Single cycle/ repeat mode can be selected. Time for all ten channels can beset individually. 16 X 2 LCD display is used for showing set time , channel, time.

SECURITY SYSTEMMEGA-KIT 306

Micro controller based security system gives audio visual signal in case of any mis happening such as force ful opening of the doors, windows, lockers. Thissystem monitors eight points. Magnetic/micro switches can be fitted in the doorsto get input signals to the system. LED indication and buzzer output is provided.

UNIVERSAL TIMERMEGA-KIT 307

Single output timer works in three different modes on delay/off delay/cyclic.Time can be set in hours/minutes/seconds. Display shows set and run time. Selector switch for run/set mode. Increment / decrement push buttons for setting.

VOTING MACHINEMEGA-KIT 308

Micro controller based voting machine is designed for five candidates. Mode selection for voting and counting. Voting is not possible till set push button is not pressed by polling officer. Five push buttons are provided for five candidates.

ROLLING DISPLAYMEGA-KIT 309

Any alpha numerical message can be displayed on this rolling display. Six characters at a time are displayed. Message can be entered using key board.Alpha numerical LED displays are used in a single line. Rolling speed can be set.

TEMPERATURE CONTROLLERMEGA-KIT 310

Micro controller based controller uses LM35 as a sensor. Two set points upper and lower limit. Set/run mode selection. Display show actual and set value. Relay will off when temperature reaches high setting and on as it goes down low setting.

MK-25

TRAFFIC SIGNAL SYSTEMMEGA-KIT 311

Digital traffic signal using micro controller will display GO / STOP time on two digit display for four posts in a road square. Green and red LEDs are provided to indicate GO / STOP status. Time for GO and STOP can be set independently.

DIGITAL CALENDER-CLOCKMEGA-KIT 312

Digital calender clock uses 16X2 LCD display to show day, date and time in hours, minutes and seconds. This has got single set point for alarm.

PACKING MACHINE CONTROLMEGA-KIT 313

Packing machines for packing liquids , granules, uses two valves coarse and fine. This controller uses amplified signal of the load cell as weight sensor. Two set points one for coarse and other for fine can be set by increment /decrement keys.

ENERGY MONITORMEGA-KIT 314

Micro controller based digital energy meter shows voltage, current, wattage, and power factor on LED display. Selector switch is provided for parameter selection.

UNIVERSAL COUNTERMEGA-KIT 315

This universal digital counter counts up to ten digit. It has got facility of presetting.Batch forming in three digit can also possible . No of batches can be counted.

QUIZ MASTERMEGA-KIT 316

Micro controller based quiz master is for eight participants. As any body presses push button hooter will sound to give audio signal and indicator on table will start flashing. It block further pressing of another push button. Pressing accept push button hooter will be off and indicator will be steady. Reset push button provided.

MULTI CHANNEL TIMERMEGA-KIT 317

Multi channel timer has ten different outputs which can operate in three different mode on / off delay, / cyclic. For each channel time can set independently. Setting can be done by pressing enter push button. Display shows channel and set time.

RUNNING LIGHT MEGA-KIT 318

Number of AC bulbs or DC LEDs can be connected in series to form ten rowswhich runs in sequence to get running light effect. Running speed of the light can be set by setting on and off time.

DISCO LIGHT MEGA-KIT 319

Ten channels fires ten triacs at different times having different on/ff time havingnumber of bulbs in series as load arranged in decorative fashion gives discoeffect. Running speed of the light can be set .

COLOUR CODE IDENTIFIERMEGA-KIT 320

This unit will show resistor value by entering the printed colour code on resistorbody on LCD display. Option for four/five colour strip i.e. 10% and 5% for CFRand MFR resistor is available.

MK-26

PATH TRACER AUTO CARMEGA-KIT 401

This path tracer auto car follows the black track. Two optical IR sensors are fitted at the bottom of the car at the two edges of the track so that whenever the car deviates from the path the signal from the sensors will put the car back on the track. Two BO motors are used.

TIME CONTROL AUTO CARMEGA-KIT 402

Time control auto car runs as per preprogrammed sequential timing schedule.The car will first go straight , then stop, move to right, stop, go straight , stop, move left, go straight and finally stop. Two BO motors are used.

CIRCULAR MOTION AUTO CARMEGA-KIT 403

Circular motion auto car continuously moves in circular fashion. Direction and periphery of the motion can be varied. DPDT switch selects the clockwise and anti clock wise motion of the car. Two BO motors with castor mechanism is used.

WIRED CONTROL AUTO CARMEGA-KIT 404

Simple control circuit for DC BO motors. Four push buttons are provided on the control panel one for clockwise or forward motion, second for anti clock wise or reverse., third for left turn and fourth for right turn. Low RPM motors are used.

OBSTACLE DETECTOR CARMEGA-KIT 405

This is a smart auto car which stops as soon as some object comes in front of it and takes the turn to avoid the collision. IR sensor is fitted in front of the car to sense the object coming in front of the car.

GOODS CARRIERMEGA-KIT 406

Goods carrier delivers the material from one destination to another. Three inductive proximity switches are used two for position sensing and one for object sensing. Two metallic targets are used to fix the stop position of the carrier. Only metallic objects can be carried.

WIRE LESS AUTO CARMEGA-KIT 407

This wireless controlled auto car which can be controlled by radio frequency remote switch which has four functions forward, reverse, left, and right.

PICK AND PLACE JAWMEGA-KIT 408

This pick and place jaw senses the presence of the object , catches the objectin the two jaws and moves the same to targeted destination and places there .Sensors are used for object and position sensing.

ALL PROJECTS ARE WITHOUT D. C. POWER SUPPLY/TRANSFORMER /BATTERY

MAGNETIC FLASHING LEDMEGA-KIT 701

Based upon principle of electromagnetism , when you shake the magnet inthe coil voltage is induced in the coil. This induced voltage is used to flash theLED connected in the circuit.

SALT CELLMEGA-KIT 702

The two different metal foils , copper and aluminum with insulation paper formsa coil, when placed in water containing salt, it produced D.C. Voltage of around2V having current capacity depending upon surface area of the metal foils.

DANCING DOLLMEGA-KIT 703

Based upon principle of electromagnetism , current carrying conductor inducesthe electromagnetic field, which attracts the magnet. So when switch on and off the coil supply the magnet will move to and fro giving effect of dancing doll.

JUMPING FROGMEGA-KIT 704

This is again based on principle of electromagnetism as there are three coils,when you switch on the supply of the coils in sequence, the magnet will move further and further as if frog is jumping forward.

D. C. MOTORMEGA-KIT 705

This working model illustrate the actual working principle of direct current operated motor.

D. C. GENERATORMEGA-KIT 706

This project shows how circular motion is converted in to electricity. In this project D.C. Voltage is generated by moving magnet to and fro in a coil which will flashthe LED.

WIND MILLMEGA-KIT 707

Wind energy is converted into electricity by using principle of electromagnetism. This electricity is use to light up LED lamp.

ELECTROMAGNETIC LOCKMEGA-KIT 708

This plunger works on principle of electro magnetism. When D.C. Supply is given to coil, it attracts the plunger inside to open the door.

SOLAR BOATMEGA-KIT 709

Using solar panel to convert solar energy into electricity, which will drive toy D.C. Motor to float the boat on the water

MATCH THE PAIRMEGA-KIT 710

This is interesting game of matching pair where you have to match correct answer for ten questions each from four different categories arithmetic, geometryhistory and geography.

MK-27

MK

-GP

-501

MK

-GP

-502

MK

-GP

-503

MK

-GP

-504

MK

-GP

-505

MK

-GP

-506

MK

-GP

-507

MK

-GP

-508

MK

-GP

-509

MK

-GP

-510

GE

NE

RA

L P

UR

PO

SE

P.C

.B.

MK-28

INDUCTIVE SENSOR CAPACITIVE SENSOR

MAGNETIC SENSOR OPTICAL SENSOR

MAGNETIC FLOAT WATER LEVEL SENSOR

MK-601 MK-602

MK-603 MK-604

MK-605 MK-606

ACCESSORIES

MK-29

79xx

O/PI/P

GND

REGULATOR

BT 136

A1

A2G

TRIAC

BC 547

RECTIFIER DIODEPNP/NPNTRANSISTOR

c be

BC 557

K G

A

BT 169

SCR

+ O/P

-

LM 35

TEMP SENSORNPN/PNP TRANSISTOR

78xx

O/P

I/P

GNDREGULATOR

D G

S

BS 170

N -CH MOS FET

A

Potential difference Volt(V)Current Ampere(A)Power Watts(W)

Resistance OhmsCapacitance FaradInductance Henry

Mili

Micro

Nano

Pico

Kilo

Mega

10

10

10

10

10

10

Resistance R = Voltage(V) / Current(I)

Power W = V x I x Cos

Frequency f = 1/T(time)

a

b

c

d

e

f

g

g f + a b

e d + c dot

LT-542/543

SE

B C

BOTTOM

BF 200

bc

e

BD139/140

Frequency of 555 a stable multi vibrator:

f = 1.44 (R1+2R2)C1

MK-30

PIN OUTS

K

1N4001/4007

+-

LED

FORMULAS & UNITS

Frequency HzSpeed R.P.M.Time Second

M

-3

-6

-9

-12

3

6

MK-31

42 3

+V

CC

1

568 7

GN

D

42 3

+V

CC

1

568 7

GN

D

LM 358

421 5 6

14 13 12 11 10 9

87

CL

OC

K

EN

AB

LE

Q1A

Q2A

Q3A

Q4A

RS

T-A

GN

D

+

VC

C

R

ST-B

Q

1B

Q

2B

Q

3B

Q

4B

EN

AB

LE

C

LO

CK

1516

3

CD 4518

DECADE OUTPUT

421 5 6

14 13 12 11 10 9

87

5 1 0 2 6 7 3 GN

D +

VC

C

R

ES

ET

C

LO

CK

E

NA

BL

E

CA

RR

YO

UT

9

4

8 1516

3

CD 4017

CD 4543

DUAL OPAMP

DUAL UP COUNTER DECADE COUNTER

421 5 6

14 13 12 11 10 9

87

1516

3

LD C B D ABCD INPUT

PH BI GND

abcdefg+VCC

BCD TO 7SEGMENT DECODER

421 5 6

14 13 12 11 10 9

87

1516

3

PE

Q4

P4

P1

CI

Q1

C0

GN

DR

ES

ET

U/DQ2

P2

P3

Q3

CL

OC

K

+V

CC

CD 4510 SYNCHRONOUS UP/DOWN COUNTER

43

+V

CC

1

58 7

TR

IGG

ER

2

+V

CC

6

GN

D

OU

TP

UT

RE

SE

TDIS

CH

AR

GE

TH

RE

SH

OL

D

CO

NT

RO

LV

OLTA

GE

NE 555 TIMER

42 3

+V

CC

1 5 6

14 13 12 11 10 9 8

7

GN

D

LM 324 QUAD OPAMP

421 5 6

14 13 12 11 10 9

87

Q12

Q6

Q5

Q7

Q4

Q3

Q2

GN

D

+

VC

C

Q

11

Q

10

Q

8

Q

9

R

C

LO

CK

Q

1

1516

3

CD 4040 12 STAGE COUNTER

421 5 6

14 13 12 11 10 9

87

Q24

RS

T

OT-2

IN-2

OT-1

GN

D

+

VC

C

Q

23

Q

22

Q

21

Q

20

Q

19

Q

18

IN

-1

1516

3

CD 4040 12 STAGE COUNTER+

VC

C

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

CD 4068 8 I/P NAND GATE

CMOS ICS

+V

CC

14 13 12 11 10 9 8

7

GN

D

1 2 3 54 654 6

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

& &

& &

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

+V

CC

GN

D

1 2 3 4 5 6 7 8

91011

NC

NC

1213141516

+V

CC

GN

D

1 2 3 4 5 6 7 8

91011

NC

NC

1213141516

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

CD 4001

+V

CC

1 2 3 4 5 6

14 13 12 11 10 9 8

7

GN

D

CD 4011

CD 4023

CD 4093

CD 4049CD 4050

CD 4081

CD 4071

CD 4070

CD 4073

QAUD AND GATES QUAD NAND GATES

QAUD OR GATES QAUD NOR GATES

HEX BUFFERS HEX INVERTORS

QUAD XOR GATES SCHITT NAND GATES

3 I/P AND GATES 3 I/P NAND GATES

CMOS ICS

MK-32