Personal Desk Light


Shruti wants to build an automatic desk light (lamp) to keep on her study table. The desk light would automatically switch itself on when Shruti occupies the study table. Can you help her in making the desk light?

  1. Arduino Uno
  2. Jumper wires
  3. Ultrasonic sensor
  4. USB cable
  5. Double-sided tape (DST)
  6. Ultrasonic sensor case
  7. Battery and battery connector
  8. LED
  9. 3D printed lamp
  1. Connect the ultrasonic sensor to the Arduino board using jumper wires.
  2. Similarly, connect LED to the Arduino board.
  3. Upload the code to Arduino.
  4. Fix the circuit to the 3D printed parts.
  5. Connect the battery to the Arduino board.
  6. Test the desk light by waving hands near the ultrasonic sensor.