sonar-ranger-module

  • This solderless easy to construct and modify robot kit is all you need to build and program a wall avoider, follower and other ideas. It comes with two ultrasonic based distance sensors so your robot can “see” its environment a little.more...
  • » HC SR04 Distance Sensor
    The HC-SR04 is a simple but capable distance sensor. It is able to sense a 30 degree range, using 2 IO pins on your microcontroller. They are sensitive from 4cm’s to around 3 meters, with sub-centimeter measuring accuracy.more...