We’re used to Hall effect devices as proximity sensors in mechanical systems, used to provide detection of something that has a magnet attached to it. However it’s easy to forget that the devices that ...
A new Instructables page has been created to make an eco-friendly DIY metal detector using an Arduino Mega just been combined with a 3.2 inch TFT LCD touchscreen to provide a fantastic readout, making ...
October 20, 2015 Add as a preferred source on Google Add as a preferred source on Google One of the essential parts of any home security system is a door detector that lets you know when a door opens.
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