9. Case 01: Automated Smart Playground Lamp

Level: level pic

9.1. Part List:

  • LED Light X1

  • Motion Sensor X1

  • Connecting Wire X1

  • micro:bit X1

  • USB Cable X1

9.2. Description:

Motion sensor is used to detect if there are people moving in the playground, if there are, the LED light will be turned on; otherwise, it will be turned off.

9.3. Coding:

Motion sensor keep checking the value of the motion sensor, if there are people moving (motion sensor value >=700), then the LED light will be turned on for 10 seconds.

9.4. Hardware:

  • Connect Motion sensor to P0

  • Connect LED light to P1

  • Download the code and transfer to micro:bit

  • Plug the micro:bit into WiFi IoT extension board