Hardware Information

Accelerometers and Electronic Compasses

Some general information on accelerometers is available below:

• A Beginner's Guide to Accelerometers, by Dimension Engineering, LLC (2009)
• Accelerometers and How They Work by Texas Instruments (2009)
• Wikipedia entry for accelerometers

• The Bosch Sensortec's 3-axis BMA150 is used for the HTC Hero.
• The T-Mobile G1 Specs shows that is uses an AKM #AK89761 6-Axis Electronic Compass.
• Apple uses an LIS302DL accelerometer in its iPhone, iPod Touch, and 4th and 5th generation iPod Nano.
• The Asahi Kasei's AK8973 digital compass is used in the HTC Hero as well as in newer iPhones.