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Connect shift registers together to get more output and input pins from your microcontroller....
The 74HC595 shift register controls a 10 LED Bar Graph....
Rainbow flower necklace using the TLC5940....
Quick tutorial on how we setup a Raspberry PI from scratch....
This circuit lets you talk to an XBEE serial port with 5V power and just two signal lines: RX and TX....
How to upload code to an Arduino Leonardo clone....
Print bitmaps, cellular automata, drawings and text.....
Put images onto your circuit boards with eagle silkscreen footprint library....
Standalone programmable Heart-Shaped LED display....
A breakout board for an electret condenser microphone shaped like an ear....
The Wearable Wayfinder is a totally programmable, beautiful little computer for your wrist packed wit...
This PCB controls a camera and an SD card so you can make automatic time lapse videos. ...
Here is another arduino library to handle Hue, Saturation, and Brightness as well as Red, Green, and ...
Wearable digital compass displays the direction in green LEDs....
A QWERTY keyboard you build yourself....
An arduino library for the MMA8453 Triple Axis Accelerometer...
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