Saturday, April 21, 2012

PIC based 3-axis accelerometer

Introduction

At the time of writing this article I cannot really recall why I started out on this project in the first place. Maybe, because some time ago I was experimenting with the built-in analogue-digital converters of some PIC micros and was thinking that they could be used easily to interface the analogue output of an accelerometer… Maybe I saw something similar on a web site and thought I could make a better one… I don’t know. What I do know is that I like projects that involve LEDs (especially blue ones, preferably flashing most of the time :) ), interfacing with real world, and projects that teach me something new. So… one day I decided to make a 3 axis accelerometer – to see if I can make it – that could be used (as is or with slight modifications) in real life applications. I tried it in a car - it works great there, but at the moment I just have it sitting on my desk to entertain visitors.
The assembled 3-axis accelerometer