I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I. ... (Arduino Uno/Nano Sketch)… [code] ...

Posted in Arduino Hacks Tagged A4988, arduino, dispenser, ir sensor, label, NEMA-17, stepper motor, sticker Tiptoe Through The Tulip Mania February 3, 2020 by Kristina Panos 4 Comments ...

It would be interesting to see a laser-based sensor paired with this code. Posted in Arduino Hacks Tagged 3d scanner , arduino , sharp GP2D120X Post navigation ...