I have a question that maybe someone knows or can point me in the right direction: we I moved into our house 9 years ago, the previous owners had a home security system which they left behind… it included wireless (433mhz) PIR sensors throughout the house (most of them are still there because they …

If you can receive the MHz codes then definitely use them :smiley:

Existing wireless PIR sensors question

gpbenton (Graham) July 13, 2017, 5:29am 3

If you don’t mind a bit of soldering, there are two 433MHz gateways described in the forum.

The first link actually has a list of the protocols it decodes, and the second has a thread somewhere of the devices that people are using with it.

I use the second one with some success.