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[BK7231N/SM2235] RGBCW ANTELA Alexa Deckenlampe LED WiFi 20W (Immax) with SM2235EGH LED driver

wenkman 
wenkman - 20 Jan 2023 00:35
This is a short teardown and flashing guide for ANTELA ceiling lamp PLAFONIERA 20W

Wenkman - 20.01.2023
Brand: Immax
Model: ‎AN-EU-CL260-WIFILIC-RGBCW-TD-01
Chip: BK7231N
LED Driver: SM2235EGH
Shop: Amazon

I searched Amazon for a ceiling light made by Tuya, found the above, ordered it, arrived 10 days later and immediately disassembled it.



I quickly found the "3.3V,GND,RX,TX" pins on the underside, but still wanted to try the tuya-cloudcutter first.

first connected the lamp to the SmartLive app to find out the current firmware


Then immediately disconnected the lamp again.

I have now followed this guide again.
I pulled the current firmware for the BK7231N from Github
wget https://github.com/openshwprojects/OpenBK7231T_App/releases/download/1.15.344/OpenBK7231N_UG_1.15.344.bin

and then started the flashing with the start command:
sudo ./tuya-cloudcutter.sh -w wlan0



After flashing, you should definitely check which version was installed, it must be at least 1.15.345

otherwise update under OTA

after that define the pins

P24: SM2235DAT
P26: SM2235CLK



now just create an autoexec.bat and add the following code (for BGRCW customization).

SM2235_Map 2 1 0 3 4


then just confirm with the button "Save, Reset SVM and run file as script thread" and the lamp is ready.

I hope I could help someone with this.

About Author
wenkman wrote 4 posts with rating 4 . Been with us since 2023 year.

Comments

p.kaczmarek2 20 Jan 2023 17:16

Thank you, it's good to see that SM2235 driver is useful for users. SM2235 driver is very similar to SM2135, but it offers a 10bit colour precision , which is better than 8 bit in SM2135 version. So... [Read more]

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