DATA LO

GGING, S

ENSORS

& CONTR

OL SYS

TEMS

DATA LOGGING

Data Logging means:

•

Features of data logging:

1.

2.

3.

4.

5.

6.

SENSORS

A sensor detects and measures physical quantities. Some examples are:

Temperature/Heat Sensor

Light Sensor

Sound Sensor

Pressure sensor

Humidity Sensor

Passive InfraRed Sensor (or PIR, a motion sensor)

Explain what each of these detect and measure

Advantages of Data Logging

Disadvantages:• •

ADVANTAGES OF DATA LOGGING

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Sensor (input)

Computer/

processor

Output devices

Examples of simple control systems:

• • • • • •

CONTROL SYSTEMS

WEATHER FORECASTING

S E N S O R S U S E D F O R W E A T H E R F O R E C A S T I N G

A D V A N T A G E S A N D D I S A D V A N T A G E S O F I C T I N W E A T H E R F O R E C A S T I N G