The Copernicus II is a great GPS module from Trimble
Simply sew on 4 LEDs and connect a battery and the LEDs will each blink or fade differently
Protect your camera with this plastic waterproof cover which guards against rain and snow as well as against dust
This alcohol sensor is suitable for detecting alcohol concentration on your breath
These come in a variety of sizes and this is a pack of 4 medium storage cubes that can be individually snapped apart and reattached
SparkFun I2C DAC Breakout - MCP4725 Boards, Sparkfun Originals Serial The Copernicus II is aYouve always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 is an I2C controlled Digital to Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects! This