Tutorial: 3-axis accelerometer and motion detection

Over at the Arduino Basics blog, Scott has been experimenting with our accelerometer module and documented how to use it in a very simple and approachable form. In his tutorial the module is used as a sensor for a type of burglar alarm – and although simple, a good start to using an accelerometer with an Arduino. This particular version is simpler than most as it uses simple analogue inputs with the Arduino board instead of more complex interfaces such as the I2C bus. Here is a quick rundown and demonstation video of his alarm in action:

 

To follow Scott’s tutorial click hereAnd we’re on twitter and Google+, so follow us for news and product updates as well. 


You too can measure various movements and changes in g-force with our AM3X: accelerometer moduleThis tiny 3-axis accelerometer module can operate in either +/-1.5g or +/-6g ranges, giving your project the ability to tell which way is up. Ideal for robotics projects, tilt sensors, vehicle dataloggers, and whatever else you can dream up. It even has a “zero g!” output to detect when the device is in free-fall, so you could connect that to an “interrupt” pin on an Arduino to have your project react immediately if it’s dropped! For more information and to order, visit the product page

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