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Reviewed in the United States on April 9, 2025
Works pretty awesome with the app a little buggy fun to play with
MovieFan
Reviewed in the United States on July 24, 2024
In the official document "Rd-03 serial communication protocol", page 6 line 5, it is stated that "The default port rate of radar serial port is 115200". I tried 2 of the modules and failed to get any result. I returned the module and tried the HLK brand whose document stated that the baud rate is 225600. It worked. I think that the wrong description about the baud rate was the cause of the failure.
cti2019
Reviewed in the United States on November 29, 2024
I decided not to use this because of the radiation it produces. It is supposed to be low energy and non-ionizing, but these are really high frequencies with a lot less testing compared to 2.4ghz wifi. 2.5ghz is also 'non-ionizing' and yet it causes dna damage still. Bottom line, I recommend going with an IR or PIR detector instead of this. Why risk it?
George J. Francis
Reviewed in the United States on November 12, 2024
Bought this for a "people detector" project. Worked fine with open-source libraries with Arduino, but the non-standard connector was a bit of a pain.
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