Archive for date: December 16, 2011

Christmas Lights powered by an ATtiny13

December 16, 2011 | Arduino, Arts and Crafts, electronics | By: Mark VandeWettering

While waiting for my bread to rise the other day, I moved my breadboard ATtiny13 circuit that blinked two leds to a small Radio Shack perfboard, added a couple of switching transistors (2N3904s) to power the LEDs, and built a small 7805 regulator (which doesn’t yet have any filter caps, I’ll get to that). But, […]