Articles

Hi, new time user here, but just wanted to let you know my experience with flashing to OpenBKT7231. First of all thank you for the work done on the firmware and the investigation. I bought a couple (5 of them) "Smart Plugs" from the Action in the Netherlands: Brand: LSC (Smart Connect)... [Read more]

Hello. This time analog retro. The AM receiver on the basis of the article from Young Technician from the 1980s. Radio to receive "Polish Radio Program I" on long wave, at 225kHz. The UL1111 radio is the first chip I have assembled. It was a "RADIO HOBBY" set bought around 1990. In... [Read more]

The video recorded with my assistant shows the process of changing the firmware of the WiFi module in the Tuya relay built on the BK7231 (here: BK7231N/CB2S) taking into account possible difficulties, such as additional elements that hinder programming connected to the paths from... [Read more]

This is an egg shaped 10 euro R-G-B-CC-CW 'moodlight' that can be found in Action stores in te Netherlands. There is no power supply included, it requires a USB power supply to function. The device consists of a top and a bottom shell, the main pcb with pushbutton and usb-c connector... [Read more]

disassembly pictures: December 2022 update: * the IR blaster is now working (firmware 1.15.x , i tested mine on 1.15.226) * this device is Model S08 / PCB: S06-CBU-V1.2 * all the pins needed for flashing are easily accessible on the board (TX1,RX1,GND,3.3v and CEN for reset) * After... [Read more]

Here I will show the interior, the programming procedure and the configuration of the LED lamp leads Kanlux S A60 11.5W E27 RGBCW based on the CB3L module, i.e. the BK7231N chip. This is another lamp that came to me from one of the users in order to download the firmware from it for... [Read more]

This is a short teardown of the E27 A60-Bulb LED RGBCCT which is based on BK7231T Basic Informations: Brand: Tuya Model: E27 A60-Bulb LED RGBCCT Chip: BK7231T (WB2L) Vendor: Got it discounted from a local marketplace, but I'm pretty sure the same bulb is available in aliexpress provided... [Read more]

New device teardown and OpenBeken flash. You can get it on amazon for $34.99 USD Link Opening it up is easy, just unscrew the screws on the back. Flashing Pins: In my case I did it on windows with the hid_download_py tool After you flashed the BK7231T. You have to set the PWM pins... [Read more]

Today, together with my assistant, I will present you a RGBCW bulb flashing guide, including WiFi SMD module with a cheap soldering iron. We will flash OpenBeken to WB2L_M1 from BK7231N (i.e. equivalent to older WB2L with BK7231T) so that you can free the LED lamp from the cloud and... [Read more]

Posting a new device teardown and OpenBeken flash. Not sure the best way to upload firmware dumps and/or submit new configs... I've also posted additional details (including ESPHome config) to the HomeAssistant forums here . Device name: Globe Electric Smart Ambient Light Wifi SKU:... [Read more]

Hello I present my door control devices in my Opel Astra H. The device is based on the Atmega 168 and the MCP2515 module schematic for communication with the can bus. I used the HC-06 bluetooth module to communicate with the phone. The phone application was written in Mit App Inventor.... [Read more]

Hello, today another short topic about changing the firmware of an LED light, this time Nous, model P3-A60-RGB-CCT. In this product, I found a CB2L module (BK7231N), which programming pads have on the bottom, and unfortunately I had to solder it all out to get to them. In addition,... [Read more]

Hello, I will present here two Tuya 'smart' twin sockets/plugs with energy measurement and WiFi control. These sockets are characterized by a glued casing, almost impossible to remove without damaging them. Here I will show you how to access the programming signals without damaging... [Read more]

Hey all - First post here, so hopefully I cover all the bases. First time trying OpenBeken, so thought I'd share my experience and add to the list of known working devices. Given how well this worked, I might try my hand at some other Feit devices I've got laying around (currently... [Read more]

Hello, In this post, I will share teardown of Tuya Smart switch for boiler water heater and flashing it with OpenBK7231N . The switch was bought on Aliexpress , the major reason to buy this device is it’s advertised high power, 20A 4400W !! (I have very bad experience with cheap... [Read more]

Note: This is a repost from my blog: The SHOP/4/HO/CCT/AG shop light is a 10,000 lumen light with tunable white light (3000K – 6500K) with a NEMA 5-15P connector that plugs into a standard 3-prong outlet. It can be found in the US on Amazon and in retailers such as Costco for... [Read more]

I will present here the interior of the Tuya WiFi door / window sensor implemented on the basis of two separate systems - a microcontroller (powered all the time) and a WiFi module (here: CB3S / BK7231N; powered only when you need to send information via WiFi) communicating via UART... [Read more]

This is a short teardown of the Aubess Mini Smart Switch 16A which is based on BK7231N and it uses a custom PCB ,so no Tuya module in there. Basic Informations: Brand: Aubess Model: Aubess Mini Smart Switch 16A Chip: BK7231N Vendor (that's exactly where i bought it): <- it's the... [Read more]

Hello, here I will present the interior of another IoT lamp using ESP chip, RGBCW, GU10, model BKL1262, bought in a Polish mail order store. I will try to program it via tuya-convert, i.e. without opening the case, but will it work? We'll see. This topic is somewhat related to the... [Read more]

Hello I've always wanted to build a musical tesla coil, but I was overwhelmed by the complexity of the design schematics found on the internet. Some time ago I found a schematic of a single transistor based coil and decided to improve it so that it could play sound. I decided... [Read more]

A very cheap E27 smart bulb. Bought at Action store at around 4 euro in NL, article number 3000272. Overall quality is good enough considering the item price. I use it in hallways, storage room, toilet etc. Opening the light is pretty easy. If you have some experience opening devices,... [Read more]

OKOS 1 Gang WiFi Smart Light Switch Breaker Hidden DIY Module Okos Smart APP Remote Control Compatible with Alexa Echo Google Home 1 Switch Automation Product Details Easy convert your traditional switch into smart switch and get Remote Control, You can connect 1 light switch to this... [Read more]

The Enbrighten Plug-In Mini WiFi Smart Switch model WFD4103 is very well made device, its FCC certification can be found here . It just has one button with a built-in LED. The back plate is glued and can be separated by inserting a spudger, start from opposite edge where the the button... [Read more]

Hello, I will present here another IoT lamp, this time based on ESP8266 (TYWE2L module), moreover still compatible with tuya-convert, so you can change its charge without opening the case. However, I will open its casing here, for the sake of principle - if only to take pictures.... [Read more]

Very easy and basic teardown and flashing procedure for this LSC Ceiling Light. Bought at Action store at around 15 euro in NL, article number 3007213. A Tuya CB2S is used which is supported for a long time already by the OpenBK7231T_app firmware. So flashing the device with my trustworthy... [Read more]

Good day. In reference to my previous construction Link I present another version of Luna. This time it was launched in 100% on ESP32 , with the task of fulfilling the assumptions of edge AI. The previous construction performed calculations on an additional device (rpi), now everything... [Read more]

The topic is related to: edu elektroda.pl # 04 operational amplifiers - LED current stabilization FAQ LED flashing to the beat of the music As you can see, a lot of space is devoted to LED flashing to the rhythm of the music and why set up a new, related topic? The reason for this... [Read more]

TEQOOZ® Smart Fan Regulator Wi-Fi + Bluetooth Touch Switch (White) | Capacitor Based – No Humming Sound | Tuya & Smart Life App Control | Compatible with Alexa, Google Home, Apple Siri | Glass Finish This Fan controller is suitable for Indian homes with Roma fitting... [Read more]

Hello, after a long break. This time the Chinese ... chip from Taiwan was used to build an IR remote for TV from LG. The remote control can turn on / off the TV, change the channel or the volume. The number of functions has been limited due to the small number of IO of the microcontroller.... [Read more]

Teardown of the Feit OM60/RGB/CA/AG/3 bulb. This can be found in the US on Amazon and in retailers such as Costco. Features a BK7231N chip directly on the main board, no external module board found here. It also has a BP5758 i2c driver, but according to the docs, it is not strictly... [Read more]