Mini Universal IR Remote M-18 CBU/BK7231N

omelchuk890 09 Dec 2022 11:13

Modul CBU, BK7231N
Device dimensions: diameter 40 mm, thickness 15 mm.
The power cable is two-core, about 1 m, non-pluggable.
For firmware - standard procedure, soldered to the pads marked on the board.
To reset, the CEN output, soldered the output to gnd, when starting the firmware, I touch the module output directly, because it is problematic to solder, the LED lens is in the immediate vicinity.
Matching contacts:
P8 - IR receiver
P7 - IR transmitter
P24 - led
P26 - button
Purchased here

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omelchuk890 wrote 67 posts with rating 9 . Been with us since 2022 year.

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p.kaczmarek2 09 Dec 2022 14:38

Good job with flashing that device. I am just wondering, how are you going to use the button? Remember that you can easily script it in OpenBeken. It could do everything, you can handle click, onclick,... [Read more]

Pawek881 09 Dec 2022 22:45

hi, i have the same chipset to flash. can you tell me if your points on the rx and tx board are connected to the CBU to tx1/rx2 or tx2/rx2? because I have to connect directly to the CBU. [Read more]

p.kaczmarek2 10 Dec 2022 04:56

RX1/TX1 is used for flashing and TX2 is a debug log output [Read more]

omelchuk890 10 Dec 2022 07:30

This is what we need, 1. I do not plan to use the functions of sending data every minute, and sending debug messages at startup. But sometimes, I assume, you will need to connect to the device's web... [Read more]

sipe 10 Nov 2024 21:14

Hello all, I need help with this device to see if its properly configured or maybe defective. I got it flashed with tuya-cloudcutter, then flashed via OTA to version 1.17.767 My pins configuration... [Read more]

p.kaczmarek2 10 Nov 2024 21:51

Maybe IR Send LED requires an extra pin to be set to High? How is it connected? [Read more]

sipe 10 Nov 2024 22:06

I'm not sure, everything should be the same as in first post, how I can check how it's connected? [Read more]