Archive for category: LED

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 […]

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Carmen makes an Arduino Stoplight

December 12, 2011 | Arduino, electronics, LED | By: Mark VandeWettering

Today, Carmen decided that she wanted to give Arduino programming a try. She’s an experienced programmer, but had never tried any of this small embedded stuff, and knows relatively little about electronics, but with a little direction from me, she got the Arduino development environment installed, and we did a bit of playing around. I […]

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