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TL;DR: 100 % of the three tested LEDVANCE panels flashed successfully; “PWM_n on one channel is unusual” [p.kaczmarek2, #20890740]. Use Tuya-cloudcutter, map P6→Warm PWM_n and P8→Cool PWM, then OTA-upgrade to OpenBeken 5888. Why it matters: You gain full local control without soldering.
• WB3S module with BK7231T SoC [Elektroda, mawe22, post #20890516] • Tested firmware versions 1.1.6 & 2.9.16 work with Tuya-cloudcutter [Elektroda, mawe22, post #20890516] • Slow-blink mode: 10 power cycles at ~1 Hz (0.5 s off / 0.5 s on) [Elektroda, mawe22, post #20890516] • Factory PWM frequency: 4 kHz [Elektroda, p.kaczmarek2, post #20922281] • Edge case: timing outside 0.7–1.3 Hz fails mode switch [Elektroda, mawe22, post #20890516]
Comments
That's a very interesting device design, it reminds me of a laptop power supply. I haven't seen that kind of Plafon device yet. Your template has been submitted: https://github.com/OpenBekenIOT/webapp/commit/8ce05a4ca160220fffc51f9356bc69d3976ff412 It... [Read more]
Yes, That was my first impression, too. Many thanks for your ultra galactic fast response. I'm a little bit too busy, now. Maybe I can do it next week. I'll support you as much as I can. I had no success... [Read more]
You have already flashed this device via Tuya-cloudcutter, so they don't need your 2MB flash dump . The only way you can contribute is by showing us Tuya JSON so we can check how PWM_n is decoded. Of course,... [Read more]
sent you PM [Read more]
Here is decrypted config: { "rstnum":"5", "rstcor":"c", "Jsonver":"1.1.9", "brightmin":"7", "title20":"1", "deftemp":"0", "c_lv":"1", "wfcfg":"spcl", "colormin":"10", "pmemory":"1", "cmod":"cw", "wt":"30", "cwtype":"1", "md":"0", "random":"0", "wfb64":"1", "stat":"0", "token":"null", "region":"null", "reg_key":"null", "dns_prio":"00nc_tp", "ssid":"null", "passwd":"null", "rstbr":"100", "remdmode":"0", "colormax":"100", "cagt":"30", "w_lv":"1", "c_pin":"8", "module":"WB3S", "cwmaxp":"100", "dmod":"0", "rgbt":"0", "onoffmode":"1", "brightmax":"100", "w_pin":"6", "wfct":"3", "pwmhz":"4000", "rsttemp":"0", "category":"0502", "defcolor":"c", "defbright":"100", "crc":"81", "regi... [Read more]
Hello, i just got the LEDVANCE SUN@Home PLANON PLUS (120x30) (Different product line with CRI95 LEDs) it seems to use the exact same Driver https://obrazki.elektroda.pl/1229028300_1737020589_thumb.jpg... [Read more]
I have 60x60 version bought about 3 years ago which is listed at least here: https://www.multi-lite.com/en/planon-plus-backlight-600x600mm-black-rc-ledvance/item-1-37540.html It runs v1.0.6 and no updates... [Read more]
try a 1.0.6 profile like this one https://github.com/tuya-cloudcutter/tuya-cloudcutter.github.io/blob/master/profiles/oem-bk7231s-light-db-par38-1.0.6-sdk-1.0.3-40.00.json [Read more]
I tried all light related 1.0.6 profiles without success. It starts to look like it could be patched firmware. Should I move forward to flash it over serial? At least I need to take a look if the chip... [Read more]
I am an advocate for serial flashing, so I would, yes. Be sure to take backup first if you do go down that route [Read more]
This device seems easy to access, then why not? Take some photos and show us, we can guide you through the flashing process. [Read more]
I just flashed the chip. I soldered gnd/power, TX and RX cables next to the chip without desoldering the chip. Then I flashed the latest OpenBK7231T firmware. The flashing mode didn't work out immediately... [Read more]