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Control the Heart Matrix LED display wirelessly, using XBEE radio modules....
Wall-ter is a wall following robot....
Think of it like a shift register for Pulse Width Modulation (PWM)....
A wearable real-time clock with vibrant color display....
Light sensors guids this robot towards the light....
XBEE radio modules, force-sensitive resistors, and vibration motors allow you to give massages over r...
The 74HC595 shift register controls a 10 LED Bar Graph....
The heartduino is a heart-shaped arduino clone complete with onboard sensors and a 70 pixel LED matri...
This circuit lets you talk to an XBEE serial port with 5V power and just two signal lines: RX and TX....
Using twitter4j, processing, and the serial port, load twitter feeds in arduino....
Quick tutorial on how we setup a Raspberry PI from scratch....
A hall effect sensor and an LCD screen gives you a DIY bike speedometer....
Precise analog control of a fountain or any 12V motor with this simple board....
Display numbers in big bright red LEDs use only 3 micro-controller pins and the 74HC595 shift registe...
Control a 120v outlet with a 5V arduino....
Control the hue, value and saturation on this pocket-sized joystick drawing machine....
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