In the process of developing my usb motion gamepad I got a chance to work with different accelerometers. In search of the perfect device I wish there was a place where I can go and compare them side by side. The problem is that different manufactures have different methods of testing the noise parameters so the only way to get it right is to have them tested by a third party. I will start by analyzing 3 accelerometers I have in my possession, and hope to review more as I get my hands on them.
The accelerometers I will test are:
1) Dimension Engineering DE-ACCM2G (this is the older model based on Analog Devices ADXL322 chip datasheet ). It is now being replaced by a different model DE-ACCM2G2 based on LIS244ALH chip from ST). This is a quality product that unlike other break-out boards has a built-in amplifier.
2) Second device is a bare-bone LIS244AL , a self-mounted using reverse mounting method (yes it still works ! :) ).
3) Finally is one of the cheapest accelerometer break-out boards out there the Pololu MMA7260QT.
Recently I completed my Gamepad Configuration Utility and decided to put to use for something it was not necessarily built for. I connected 3 accelerometers (to precize their X axis output) to the analog ports of PIC18F4550 (one of my gamepad prototypes "The Brick").
