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Ceiling fan control not working with KC868-AGv3
#1
Hello,

I received a KC868-AGv3 and installed KCS_AGV3_V3.27.2 on it. I'm struggling to get it to work with my ceiling fans (brand / model is CARRO USA Osborn).

I can successfully listen and capture signals from the fan's remote, but transmitting them from the KC868-AGv3 doesn't work with the fan. I tried settings of 10, 30, and 100 for the "Adjust Repeat Count" option, without success.

How can I debug this further?
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#2
IR or RF remote?
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#3
The remote is RF.
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#4
RF support EV1527 or PT2262 wireless code. maybe your RF remote use by private RF protocol.
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#5
Is there a way I could confirm that?
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#6
maybe you can open your remote , check the wireless IC.
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#7
I installed ESPHome and from the logs, the fans/remotes are using rolling codes. Looks like it'll take some reverse engineering...

The PCB in the remote has a model number on it: QZ0009RF-V06

Unfortunately I can find no reference to this online.

The only chips on the board are an unlabeled SOIC16 and a very small SOIC6 (whose label is too small for my eyes to read).

Guessing that the SOIC16 is the microcontroller and the SOIC6 is the RF transmitter. There's also a 13.560 MHz crystal, so I suppose it transmits at 433.92 MHz (13.560 x 32).
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#8
it's not easy to copy that code.
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#9
Using Claude Code, I've managed to reverse engineer it. I'll clean it up and post the .yaml I'm using here. Maybe it'll be useful for you or someone else.
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#10
good job.
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