Sensors

Sensors - TODO add more exam-style detail

this is copied from UNIT 1, but needs to change focus to exam Qs

• Temperature
  • Microbit Makecode Temperature
• Light Intensity
  • Kitronik LDR and Microbit
• Motion
  • Accelerometer
    • EngineerGuy solid state accelerometer
  • Ultrasonic / Microwave Doppler
    • Tutorial for Ultrasonic Sensor on Arduino
  • Passive IR / Video motion detection
    • How PIR work (Adafruit)
  • Infrared light/laser beam
    • IR Breakbeam Sensor (Adafruit)
• Magnetic Field
• Gas
• Pressure
• Moisture & Humidity
• pH (acidity)