Archive for date: December 18, 2011

Project Completed: My $.99 Christmas LED hat, with ATtiny13 controller

December 18, 2011 | Arduino, diy, electronics, LED | By: Mark VandeWettering

Well, it’s done! Here’s my ATtiny13 controlled Christmas LED hat. It consists of an 8 pin, ATtiny13 microcontroller, a pair of 2N3904 transistors and some 1K resistors, a 7805 voltage regulator with two filter caps, and a switch, all mounted on a Radio Shack perfboard inside an Altoids tin. I’m rather pleased with the way […]