20141107 nus friday hacks presentation get started with electronics
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Transcript of 20141107 nus friday hacks presentation get started with electronics
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Start
Mark Wong
Electronics
www.omgbazinga.com
Journeyyour
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How does hardware affect
HARDWARE ROCKS
me?
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How do I
Start?
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Ohm’s LawV = IR Signals
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Switches
Diode Transistors
Gates
Field-Effect Transistors
Operational Amplifier
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Electronics is about dealing with signals
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http://www.ti.com/lit/ds/symlink/lm555.pdf
Let’s start with a simple circuit
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http://www.ti.com/lit/ds/symlink/lm555.pdf
Next step? Breadboard it!
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Schematic Printed Circuit boards (PCB)
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Tools of the trade
Wires. Screwdriver. Pliers. Cutters.
Multi-meter.
Kits.
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http://www.ti.com/lit/ds/symlink/lm555.pdf
Get starter kits
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Find out what the heck hack is
IT! inside
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Build. Fail.
Rebuild.
Results. Outcome.
Find out How? Why?
System design / Adoption
Hardware LifecycleSummary
Tear-downs
Forums
Blogs / YouTube
Hobby sites
Datasheets
Show-off
Feedback
Success
vendors
System
Books
3-stage Block diagram
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Teardowns!!!
RIPPIN’ IT UP and
TICKfind out what makes it
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BOM (Bill of Materials), Datasheets
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https://www.ifixit.com/Teardown/iPhone+6+Teardown/29213http://www.techinsights.com/teardown.com/apple-iphone-6/
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• ultra-small (2mm x 2mm) – WOW!
• Tri-axial• Measurement of
accelerations in 3 perpendicular axes
• Senses tilt, motion, shock and vibration
- Low power consumption of 130 μA – NICE!
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Don't Be an Expert: DIY Is All About learning for a purpose
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Complexity& Ability
Online Resources
Time
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3-stage Block diagram
Controller / Process / Decision
Measurement / Input
Outcome
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Input
• Keyboard• Sensor• Touch screen
Process
• Processor • Microcontroller• Signal
conditioning• Analog-to-
digital Converter
• Application software / firmware
Output
• LEDs• Screen• Sound
Design your system
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The good ‘Ol days
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Today’sPlatforms
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Apollo Guidance Computer (AGC), 1966
16-bit, 55Watts<1MIPS, 4K RAM, 32K ROM, 8 GPIO1.024 Mhz31 kilograms$15 Million
Arduino UNO platform, 2009
8-bit Atmel atmega ATmega32820MIPS, 2K RAM, 32K ROM, 14 GPIO16Mhz27 grams$20
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Hardware platforms change all the time. The key is
quick adoption.
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Diodes
Boring.Not Fun.
http://startingelectronics.com/beginners/components/LED/http://dangerousprototypes.com/docs/Basic_Light_Emitting_Diode_guide
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• ONE WAY VALVE• PLUS (+) and
MINUS (-) • Makes pretty
lights
What does itdo?
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What are you gonna make?
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Iterative prototyping
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Build. Fail.
Rebuild.
Results. Outcome.
Find out How? Why?
System design / Adoption
Hardware LifecycleSummary
Tear-downs
Forums
Blogs / YouTube
Hobby sites
Datasheets
Show-off
Feedback
Success
vendors
System
Books
3-stage Block diagram
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Start doin’ something!
1. Pick a simple project that you can manage
2. buy tools and parts as you need
3. learn through problems
4. Have a project goal.
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Complexity& Ability
Learning Curve
Valley of despair – “who’s dumb idea is this”
Can’t live without!
Time
Increase in skills
Associative stage
Autonomous stage
Trial & ErrorCognitive stage ‘I suck’ threshold
I kick-ass
GOD-LIKE
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