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 ...
10maurycy10, an engineer who reverse engineers various devices, published the results of his analysis of the microwave radar sensor 'RCWL-0516' that sells for $1 (about 161 yen) on his blog. The ...
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