Decoding 433mhz windowblinds

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Joined: Thu Apr 25, 2019 10:06 pm

Decoding 433mhz windowblinds

Post by newradguy » Thu Apr 25, 2019 10:14 pm

Hi All,

New to SDR and the forum. Trying to decode the signal from my wireless doorblinds.
They transmit on 433.92, but when i record the signal and look at in audacity as many tutorials reccomend, I dont see anything that looks like what is on the tutorial (OOK or the spacing that is associated with it)

Hoping if I upload an image of the audacity waveform someone may be able to point me in the right direction.

I have tried using rtl_433's auto decode function and get different results each time.
Also tried universal radio hacker with differing results each time.

Any advice is much appreciated!

Also attached a picture of SDR# waveform
SDR#.JPG (404.72 KiB) Viewed 1480 times
audacity pic.JPG
audacity pic.JPG (216.12 KiB) Viewed 1483 times

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Re: Decoding 433mhz windowblinds

Post by Airwind » Mon May 06, 2019 12:03 pm

Zoom in into one of those repeating signal chunks you see in audacity.

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