After some searching, I ended up using a microcontroller and a piece of code borrowed from the web that I tweaked and adapted. The microcontroller-based concept was chosen because I wanted to scale ...

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 ...

The nano sensor interface presented below is a microcontroller-based universal sensor interface with a power-saver mechanism. The idea, centered around an Arduino Nano (v3) microcontroller, was ...

The serial communications is I2C and there’s a tiny optical sensor onboard along with an IR LED. Of course, you could send other keys than media controls. We wouldn’t mind going back and ...