• Build an open source Laser Reflection Barrier

      It allows us to detect the presence and passage of an object thanks to the combination of a laser diode which emits a light ray and a phototransistor which detects reflected light.   Robotics applications and...

    • Posted 7 years ago
    • 1
  • An Open Source, 3D printable, guerilla Projector: GuerrillaBeam

    Unfortunately this campaign  is likely not going to meet its challenge but nevertheless is a clever product that may spark some ideas: You probably know, that you can build a simple projector from nothing but a light,...

    • Posted 10 years ago
    • 0