Either a pinout problem, or a sensitivity issue

A project log for First steps with the RCWL 0516 radar switch

How to power up and communicate with the cheap RCWL-0516 radar sensor module

ivorasivoras 01/19/2017 at 19:593 Comments

The module's OUT line was high too often, as if it has a huge amount of noise, so I Googled a bit and found a video by a Russian guy, who only connects the VIN, OUT and GND, ignoring the 3V3 pin. So I've also done that, connecting VIN to 5V, and it *seems* to be more stable. I'll leave it running for a while so I'll collect more data. If someone knows Russian enough to verify what he was doing, please write up some info in the comments.


Matt H wrote 01/06/2018 at 06:12 point

Lots of information at, most importantly that VIN is the supply voltage for the board, 3V3 is an output, and OUT is a logic (3.3V) output when triggered.

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petermeier73 wrote 01/19/2017 at 21:39 point

 My English is not so good, so sorry if i didnt write something really well, i try it :)

He describe the Chip. This chip is using for Safety implement like in doors, infra-red, audio surveillance...

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davedarko wrote 01/19/2017 at 20:37 point

I have no clue what he's saying, but having automatic, translated subtitles on is quite funny

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