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CLOUDY BAY 6inch Smart Wifi LED Recessed Lights, RGBCW

justinhunt1223  Cool? (+6)

I purchased these lights on Amazon. Teardown is simple, remove the 6 screws on the back of the downlight. The board is inside a white heat shrink. Cut along the edge with a razor so that you can simple slide the heat shrink back over the board after you're done.




I removed the WB3S module with a heat gun and stuck it in a DORHEA ESP8266 Code Burner to flash it. You may try flashing it while its installed but it wouldn't work for me with. Flashing while installed does work. My old serial programmer was malfunctioning. I successfully read and flashed it while installed using the DORHEA ESP8266 Code Burner.

Pin configuration:

P6: PWM/5
P8: PWM/4
P9: PWM/1
P24: PWM/2
P26: PWM/3

After configuring the device and prompting the home assistant discovery, home assistant picked up the device and allowed me to control everything without any further configuration.

The pictures here are of a light that had a catastrophic failure (I quickly assembled it for pictures here). I accidently shorted out a handful of pins on the back on a piece of metal, whoops.

Edit: attached stock firmware.
About Author
justinhunt1223 wrote 4 posts with rating 6 . Been with us since 2023 year.

Comments

p.kaczmarek2 07 Jan 2023 01:44

Hello, would you be able to provide some more pictures of your device, how it looks like from outside and maybe inside, and if not, maybe some screenshots from the shop offer where it was bought? [Read more]

justinhunt1223 07 Jan 2023 02:11

Pictures uploaded, sorry! [Read more]

p.kaczmarek2 07 Jan 2023 02:14

No problem. I see you did well with the heatgun, although I think it would be also possible to flash it in place, you just need a reliable 3.3V power supply (not the cheapest one that is on the board of... [Read more]

justinhunt1223 07 Jan 2023 02:19

I have a handful more of these lights to flash and would love to not have to remove these to do it. I will attempt them in the next week and report back. I think my new USB -> serial on the way might ... [Read more]

alfakenzo 07 Jan 2023 03:09

Hi my friend, maybe oyu can provide a stock firmware dump from these device. And then could cloudcutter work on it. [Read more]

p.kaczmarek2 07 Jan 2023 14:12

Indeed, a factory flash backup can always be useful. That's why our new flash tool (still in Alpha stage) suggests to do automatic backup and then flash: https://github.com/openshwprojects/BK7231GUIFlashTool ... [Read more]

justinhunt1223 11 Jan 2023 18:11

I added the stock firmware to the original post, thanks for pointing that out. I don't have any experience with cloudcutter so I do not know. [Read more]

alfakenzo 11 Jan 2023 18:36

So check this on github https://github.com/tuya-cloudcutter/tuya-cloudcutter. [Read more]

p.kaczmarek2 11 Jan 2023 19:01

Don't worry, I'll forward it to them. [Read more]

alfakenzo 11 Jan 2023 19:04

I don't mean the dump. I mean he should check the GitHub of Cloudcutter to flash it OTA and not to desolder all the spots. But the dump is necessary for the flash, when this firmware wasn't added by n... [Read more]

amymariegerlach 31 Jan 2023 19:56

EDIT - Neverminded, I think i found the directions on this site, they made a video and I am gonna give that a try. justinhunt1223 Can you better explain the integration into Home Assistant? I... [Read more]

p.kaczmarek2 31 Jan 2023 20:01

Hello @amymariegerlach , maybe this tutorial can shed some light on HASS discovery? [Read more]

specialdude 04 Dec 2023 02:27

Hi, I got 6 of those CloudyBay lights, and actually I was able only to connect to my wifi 1 out of 6, not sure what is going on. I have UniFi Dream Machine Pro,etc. I am Still troubleshooting. However... [Read more]

p.kaczmarek2 04 Dec 2023 08:52

It is very hard to determine what is going on with your lights. If you are experiencing issue related to the range of the WiFI, then I am not sure if we can help much, because we just replace the firmware... [Read more]

specialdude 04 Dec 2023 15:45

Hi, Thanks for replying. Definitely it is not a range of the wifi :) I literally tried to setup the light two feet away from the Access point (U6-LR) :) and the rest of the lights are in a line of sight... [Read more]

p.kaczmarek2 04 Dec 2023 15:50

That's good, it's WB3S. You may try following this tutorial: Here is our flasher tool: https://github.com/openshwprojects/BK7231GUIFlashTool First make 2MB flash backup, post it here, then flash... [Read more]

specialdude 04 Dec 2023 16:16

In addition to previous post :) ... I decided to do some research, haha... looks like it is this module: https://developer.tuya.com/en/docs/iot/wb3s-module-datasheet?id=K9dx20n6hz5n4 Cleaned up a... [Read more]

p.kaczmarek2 04 Dec 2023 16:29

PLEASE remember, this is a bottom view of modul : https://obrazki.elektroda.pl/1431545800_1701703708_thumb.jpg If you look from the top of the module, the TX1/RX1 is on the right. See, here is... [Read more]

specialdude 04 Dec 2023 18:38

Hi, So here is where I get into uncharted territory... IF I get this device: https://www.amazon.com/DORHEA-Downloader-Compatible-Transmission-Transceiver/dp/B08P37JQYX?th=1 can it help me with my... [Read more]

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