Sensors

Question 1

What are 4 examples of sensors?

Answer 1

• Temperature
• Moisture
• Humidity
• Gas
• Infra-red
• Acoustic
  etc.

Question 2

Explain the process of a sensor

Answer 2

1. Input data is gathered by sensor
2. Input data is converted to digital data using an ADC
3. Digital data is sent to microprocessor and compared
   to stored ranges and values
4. Appropriate output is activated (Alarm activated,
   counter iterated, etc.)
5. This process happens in a continuous loop