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Forum Index : Microcontroller and PC projects : How to learn RF remote codes?

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Grogster

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Joined: 31/12/2012
Location: New Zealand
Posts: 9586

Posted: 09:54pm 22 Mar 2018

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Lovely, thanks, I will have a play with this over the weekend with any luck.
This week has been busy so I have not had as much time to play with things on the bench.

Smoke makes things work. When the smoke gets out, it stops!

PeterB
Guru

Joined: 05/02/2015
Location: Australia
Posts: 655

Posted: 03:53am 04 Apr 2018

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G'Day
For what it is worth I have connected up a 4 key/4 relay system that appears to be similar.
bit time = 2 msec
1 = hi for 1.6 msec
0 = lo for 0.6 msec
gap between blocks = 14 msec
gap between noise and first block = 14 msec
first block of data appears to be corrupted.
Key fob #1 button A is 775D03
B is 775D0C
C is 775D30
D is 775DC0
Key fob #2 button A is 115403
B is 11540C
C is 115430
D is 1154C0
Each block has a 0 parity stuck on the end and since every group has an odd number of 1s I am not sure if it is parity.
It should be easy to decode with two monos (plus a bit of other stuff). :)
Peter
Edit
0 = hi for 0.6 msec
PeterEdited by PeterB 2018-04-05

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