Articles

Hello, today I will show you another firmware change guide for a WiFi light switch popular in our country. Device will be flashed with OpenBeken , futhermore, we will also automatically detect GPIO configuration for this device with our BK7231 Easy Flash Tool. Purchase of LXM170 I... [Read more]

Hi all! I just got two of these outdoor addressable LED Spotlights (RGBW+IC) that use a CBU. Disassembly was a bit destructive and cracked the case that held the circuit board, but it'll still be usable when it's done. I was successfully able to backup the factory firmware (attached)... [Read more]

BW-MO2 is a wireless mouse that is distinguished by the ability to control two computers, this control is switched by a small button on the bottom of the mouse. This mouse simply has two receivers - one for USB Type-C and the other for regular USB. This is very handy for me, as it... [Read more]

Anslut smart wall switch 1, 2, and 3 buttons Pins are nicely labeled on the top right flashed with version 1.17.398 of openbk { "vendor": "Anslut", "bDetailed": "0", "name": "Smart Wall Switch teardown and flashing - 1, 2, 3 gang versions ", "model": "NAS-SC01W6-1", "chip": "BK7231N",... [Read more]

Teardown of Anslut 42cm 22w halo LED light also applies to 29cm 14w model Contains Chipset BK7231T Flashed over uart with version 1.17.398 of OpenBK { "vendor": "Anslut", "bDetailed": "0", "name": "Anslut Halo LED (42cm/22w, 29cm/14w) ", "model": "", "chip": "BK7231T", "board": "WB3S",... [Read more]

One more Door Sensor First Look WiFi Chipset BK7231N/CB3S connected only to TuyaMCU via serial interface. Even LED connected to TuyaMCU. TuyaMCU has power control for WiFi module. There are two pins on the bottom of the board P3 and P2. Seems like this is for external sensor like... [Read more]

Very similar to this one: But uses another pins. Original app: Smart Life App Pins - LED on P15 - MagnetField Sensor on P22 - Battery Relay on P20, ADC on P23 - Button on P14. Has 10k pull up resistor (R8). Plus place for capacitor C2 (but no capacitor in this cheap version) (I didn't... [Read more]

Here I will show you how you can easily flash the new LN882 modules via UART, just like you would flash ESP8266. Flashing those modules will soon allow you to free them from the cloud and connect them to Home Assistant. I've already covered some of the more technical details in the... [Read more]

I recently bought a few of 'Tuya WiFi Temperature and Humidity Sensor'. I looked for an existing thread for this exact device but only found a few users posting pictures of this board. Here is a picture of the PCB: And here is the firmware from an unused device: Tuya JSON: { "abi":"0",... [Read more]

Relay based on SM-028_V1.3 module with BL602L20 chip. These relays have a massive problem with the fact that they randomly turn the relay on and off. In order to fix this, you need to solder components C6 0.1 uF and R1 10 kOhm. For firmware, I unsoldered the SM-028_V1.3 module, connected... [Read more]

I bought this TEEPAO WI-FI Curtain Switch as second hand. It is designed for controlling electric curtains as its name says. One button for opening, one stop button, and one for closing curtains. It has controllable backlight. As I do not have such curtains I configured it to be as... [Read more]

LN882H is a Single-Chip Wireless SOC with Cortex M4F CPU supporting 802.11b/g/n (2.4 GHz Wi-Fi) and Bluetooth 5.1 (LE). LN882H offers 296KB RAM / 128KB ROM, 512KB~4MB Flash for XIP application code and SWD debug interface. LN882H peripherals include 20 GPIOs (QFN32) or 12 GPIOs (QFN24),... [Read more]

I invite you to a short presentation of the interior and firmware change of the Woox WiFi-controlled ceiling lamp offering us control over the brightness level and white temperature of the light. This means that with the use of this lamp we can, for example, illuminate the room in... [Read more]

Today`s mini-project is perfect as training material for young electronics students. Before Christmas, I was asked to make a simple Christmas tree decoration. Among many possibilities, I chose the floating light effect. It can be observed in "ignicle lights" on Christmas trees at... [Read more]

Here I present a version of the WX300P RGB Strip Controller already reviewed here and closely related to this new review here . This RGB LED strip controller has a CBU module soldered to the PCB, which has silkscreen "SHY690-v1.4" printed on the underside. Unlike the one in the first... [Read more]

Module name: ONENUO Tuya Wifi Door Sensor - 19JWT Protocol: WiFi 2,4GHz Power: 3V (2x AAA battery) Wifi module: Tuya CBU-NL (BK7231N) datasheet This is the door sensor version of the module, but based on the PCB layout they also build other sensors with the same panel. Bought it on... [Read more]

Hello. I haven m posting my own. Bought on AliExpress: They are available in 1/2/3/4 channel versions. I have the 2 and 3 channel version. They have no manufacturer, neither on them nor on the box. Only the general model is MINI-W1, while specific versions are MINI-W1-2CH and MINI-W1-3CH.... [Read more]

Hi all, i would like to flash my thermostat with openbk. There are several version of this thermostat. The oldest has a WB3S chipset inside. The newest has a CB3S chipset. I would also like to add a temperature/humidity sensor to the wifi chip soldering it directly on the board and... [Read more]

JSON file for the realys, and leds. { "vendor": "Tuya", "bDetailed": "0", "name": "Usee Link USB-C PD Surge Protector", "model": "SM-306U-PA65", "chip": "BK7231N",... [Read more]

I invite you to a short comparison (gallery) of the BSIDE ESR02 Pro component tester. I will compare its results here to the classical ones LCR-T4 , known from the elektroda shop, to the previously described ESR70 , and in some cases to the results shown by the Brymen BM857S multimeter.... [Read more]

Here I will show the floashing procedure of RGB LED strip controller. As usual, I will start with a teardown, and then change its firmware to OpenBeken . I will also provide its template here, i.e. a description of the roles of its GPIO, which PWMs are used, etc. Finally, I will link... [Read more]

I got 3 LEDVANCE 60x60 LED panels with different software versions (1.1.6 and 2.9.16) All of them with WB3S modules, WIFI flashable with tuya-cloudcutter According to the manual there are different sizes available: 30x30 45x45 30x60 60x60 120x30 Flashing has been done with tuya-cloudcutter... [Read more]

In the 1.17.388 version, OpenBeken introduced a PWM Groups driver. This driver enables the synchronization of two PWMs and facilitates setting a specified dead time between them. Of course, the duty cycles of each PWM groups are independently controlled and the frequency is also adjustable.... [Read more]

Applies to the model described here: Hello, in this description I will present my method of connecting WiFi thermometers with the SHT30 sensor, popular on AliExpress, to Home Assistant and changing the power supply to an 18650 battery. The main reason for changing the power supply... [Read more]

A special person deserved an equally special gift, and since I`m not a fan of buying surprises, I decided to "make" something with my own hands. 1. Introduction, motivation 2. Outline of the structure 3. Board with diodes - design (connecting diodes) 4. Board with diodes - design... [Read more]

Hello, this is my second post here, so please be gentle...(:-)) I bought this device on AliExpress - as my second post here. It is a (single) controller for shutters, curtains etc. Data as found: - Wifi on Tuya plus RF receiver on 433MHz - Remote control in Scope of supply - Brand:... [Read more]

Amysen YX-WS01, FCC ID 2AOT8-WS01, module YX-X3-T71C-VER03, chip TG7100C (a clone of the BL602) I purchased these in Nov 2022 via Amazon.com in the US, hoping that they'd be Cloud-Cuttable, but was quickly discouraged after opening one up - the chipset was neither ESP8266 nor BK7321...... [Read more]

Hello everybody, This is my first teardown of a bulb that I would be happy to "cloudcut" ... :) (Below you'll find the pictures I took from the teardown) Manufacturer: LEDVANCE Model: Filament Globe 125 53 Socket: E27 Luminous flux: 680 lm Power: 6W Board: Beken 7231T WiFi-Module:... [Read more]

Presenting a familiar device, one I've seen around the forum, but this one is without an Ir receiver and comes with an LF686 chip, which is to be flashed as a BL602. I spent HOURS trying to get this to flash with my pogo pins and several different USB-TTL adaptors but I only got success... [Read more]

The Artika Skyshade is an RGBWW Smart LED Panel controlled by a CBU (BK7231N) chip. It can be flashed with OpenBeken and retain all the functionality of the original firmware - including the use of the Infrared remote - without the need for third-party cloud services On unboxing.... [Read more]