A few days ago we saw what would have been a killer Kickstarter a few years ago. It was the smallest conceivable ATtiny85 microcontroller board… 196 more words
Tags » Attiny
You youngins probably don’t remember this, but a few years ago there was an arms race on Kickstarter to create the smallest Arduino-compatible microcontroller board. Since then, a few people have realized they can make more money on Kickstarter through fraud or potato salad, and the race to create the smallest ‘duino board petered out. 163 more words
Circuit, pcb design in the video.
Arduino code on the smd attiny45/85.
PCB size: 20x25mm / ~0.8×1 inch
Powered from 5V USB mini.
This small device check the water level every ~12 hour. 36 more words