Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...
In the last decade the number and intensity of forest fires seems to have been on the increase around the globe, with massive and devastating wildfires in California, Greece, Russia and Australia. The ...
Electronics hobbyists, experimenters and constructors of microcontroller project frequently need to measure/detect voltage, current, frequency, temperature and… proximity. Most measure ...
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