LED Badges

Festival season is here! And since we like glowsticks, but don’t like their nonrecyclable nature – we decided to go all out on a bunch of LED toys! Behold: Each smiley features 20 LEDs in a Charlieplexed setup running on an Atmel Attiny85. The smiley PCBs were done by DirtyPCBs.com. They arrived Read more…