Compass Board time If you are looking for

If you are looking for an affordable way to add wireless communication to your Arduino (compatible) board

full design details and working code are freely available

same board

JeeNode SMDs are shipped with the ISM-band 868 MHz radio module for use within Europe

3V is used as interconnect

Compass Board time If you are looking forThe Compass Board is a small board containing the HMC5883 3 axis compass module by Honewell. The chip can be configured to 8 different sensitivities, from 0. 9 to 8 Gauss full scale, with read outs up to 160 times per second. There is a CompassBoard class in the JeeLib library to interface with this sensor and read out all three on board compass axes. This board uses an I2C bus running at 3. 3V as interconnect. There is room for a Port compatible 6