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. ... 0 comments on “ Arduino IR Proximity ...

One phototransistor to detect infrared and visible light; An I2C digital temperature sensor to introduce between-device digital communication; While the above short bullet list may not sound like ...

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 ...

Here’s a way to program an Arduino wirelessly while still using the stock IDE. It uses an alternative bootloader called SuperDuplex along with an IR receiver like the ones used for TV remotes ...