This Inertia Measurement Unit Combo Board incorporates the IDG500 dual-axis gyroscope and Analog Devices triple axis ADXL335 accelerometer in a tight footprint. The IMU board uses a standard 0.1" footprint and includes all outputs from both the IDG500 gyro and ADXL335 accelerometer ICs. Project description, more information and ordering can be found at https://www.sparkfun.com/products/11072 Datasheet: http://www.sparkfun.com/datasheets/Components/SMD/adxl335.pdf Datasheet: http://www.sparkfun.com/datasheets/Components/SMD/Datasheet_IDG500.pdf Wiring Example: http://wiring.org.co/learning/basics/gyroidg500.html Helicopter Autopilot: http://autopilot.sourceforge.net/rev2.2.html Fire Marshall Bill Robot: http://www.joustinghill.org/matt/robots/firemarshalbill/ Reverse Pendulum Robot Project: http://www.dprg.org/projects/2003-01a/ The ADXRS vs. the Tokin CG-16D: http://sourceforge.net/mailarchive/forum.php?forum_id=296&max_rows=25&style=nested&viewmonth=200309 Stabilization project with mini-Bully PIC: http://sites.google.com/site/pic24micro/Home/projects/vibration-compenstated-tilt-sensor