Makeblock Starter Robot Kit 'Proximity Alarm'


A burglar alarm sketch! Either the PIR sensor or Ultrasonic Sensor can trigger the alarm. Demonstrates a combination of sensors and displays. The 7 Segment continuously displays Ultrasonic Sensor distance. The alarm consists of red/blue flashing lights and buzzer.

Built with the Makeblock Starter Robot Kit and the Electronic Add-on Pack. Orion Board: Ultrasonic on port 3; PIR sensor on port 4; 7 Segment Display on port 6; 4 RGB LEDs port 8.

Sorry for the video quality:

Other links:
Robot kit -
Add on Pack -
Arduino Sketch -