July 20, 2012

DIY Movement-activated Siren Box

 Just for fun and to prank people those sorts of people that can't or won't follow instructions comes this movement-activated siren box. Quite simply, there is a Freetronics Arduino-compatible board connected to our accelerometer board, a tilt switch and a very loud 120 dB siren fitted inside an officious-looking box. The tilt switch keeps the power off until someone picks up the box, then the accelerometer detects movement after a few seconds. Excellent joke and fun for around the office. Maybe. 

For more information, inspiration and the Arduino sketch, visit the project page here. And we're on twitter, so follow us for news and product updates as well. 

To get started with your own siren box, you will need our simple to use AM3X: accelerometer module, which can detect movement on all axes up to 6G, and freefall as well:

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