ATtiny13 + 8* 74hc595 Shift Registers. It have two modes: random matrix and binary counter clock. Code: https://github.com/taunoe/attiny13-shift-matrix
Tree a freeform electronic sculpture – freeform circuit
My third freeform electronic light sculpture. It runs on ATtiny13 and uses 5730 (5.7*3.0 mm) Worm White SMD LEDs.
Electronic “paper crane” or orizuru – freeform circuit
I had a bunch of smd LEDs and no idea what to do with them. But then, when I had … More