Make your own GPS-based speed alarm

And now for something different – a GPS-based speed alarm that alerts you of travelling too fast by simulating the look of police lights in the rear-view mirror… Using an Arduino loaded with street coordinates and matching speed limits, and a GPS receiver module – the system can determine the location in the local street database and check if you’re speeding or not. If you are – the imaginary police lights will fire up to let you know. Great for the paranoid or scaring people with something to hide. For example:


Although this may seem like a complex solution to something that is very easily solved, it’s still interesting and good for a laugh. To get started, head over to the project pagehere. And we’re on twitter and Google+, so follow us for news and product updates as well.

When creating more complex circuitry such as the speed alarm as described above for your Arduino – consider our range of ProtoShields. From the tiny LeoStick to the Mega range, we offer a complete range for you to work with.


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