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Connect shift registers together to get more output and input pins from your microcontroller....
Keyboard kit using CD4021 shift registers and big through hole buttons....
Build your own clock with the MCP79410 chip and 4 7-Segment LED modules....
A QWERTY keyboard you build yourself....
Put images onto your circuit boards with eagle silkscreen footprint library....
A breakout board for an electret condenser microphone shaped like an ear....
Mixing pixels from two face images together....
Precise analog control of a fountain or any 12V motor with this simple board....
Standalone programmable Heart-Shaped LED display....
Connecting the MCP79410 real-time clock chip and our Heart Matrix you can show the time with love....
Two LED matrices give 70 LEDs to light up a necklace with messages....
The heartduino is a heart-shaped arduino clone complete with onboard sensors and a 70 pixel LED matri...
Here is another arduino library to handle Hue, Saturation, and Brightness as well as Red, Green, and ...
An introduction to programming Arduinos using In-system programming...
Handheld gaming machine, based on the Arduino Leonardo, equipped with joystick, SD card and more....
This L293D Stepper motor controller lets you precisely control a stepper motor with just two signal l...
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