Reverse engineer wireless temperature / humidity / rain sensors, part 1

Reverse_Engineer

Ray Wang writes:

I just wrote a series of three posts about how I reverse engineered a few off-the-shelf wireless temperature, humidity sensors and rain gauge, and used an Arduino to listen to and decode the sensor data. The tools involved are quite simple: an Arduino and a 433MHz RF receiver. I also used a sniffing circuit, sound card, and Audacity audio recording software to capture and identify the signal timings initially. The Arduino programs I wrote are provided in each post. Thanks!

Continue to Part 2 and Part 3.

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1 Comment

  1. That’s pretty cool, I’ll make sure to check it out in a bit. Been fooling around with humidity sensors myself lately. I’m sure I can learn a lot from your posts.

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