Creating a contraption where the distance from a wall or object fills a a meter of LEDs.

Material used

  • Arduino UNO
  • Breadboard
  • Ultrasonic Range Sensor
  • 6-LEDs
  • 12-Wires (6 for LEDs, 4 for Ultra Sonic Range sensor, 2 for Ground and 5V)
  • 6-220 ohm resistors