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Download the tool here Before using the script, verify your device tuya-firmware version using the tuya/smartlife app and download the correct firmware for your device chip (T or N). The chip would not boot if wrong firmware version is flashed on it and it would require using serial... [Read more]

This is a short teardown of the Aubess WiFi Smart LED Light Bulb 15W E27 RGBCW based on - BK7231N (CB2L). Basic information: Brand: Aubess Chip: CB2L (BK7231N) - the chip listed is QM-02L, but seems to be another variant of CB2L Local Vendor: Teardown Photos: Flashing method: a) Using... [Read more]

This is a quick guide on setting up 'detached mode' with openbk flashed switches. This would continuously power your wifi/zigbee bulbs without turning it off when the switch is toggled. On your switch. you'll need to change the relay that's wired to your wifi bulbs to AlwaysHigh and... [Read more]

Teardown of a decorative bulb from the Action store. LSC Smart Filament LED 350 lumens E27 Art No. 3007257 I wanted to reprogram the bulb OTA by tuya-convert, because I was counting on the ESP system. Then after failing I tried cloudcutter but the profile for that bulb was missing... [Read more]

Please note: This device is different from the single outdoor spotlight ! Overview: This device was bought at an Action store in Belgium. It has EAN code 8712879154488. It specifies 3 spotlights, with a light output of 170 lumens. Whether this is total or individual is not specified,... [Read more]

First of all, thank you very much for all the helpful information. I would like to introduce you to the LSC Outdoorspot. It is available at Action. Unfortunately, it is no longer sold in Germany, but it was still listed on the Polish Action website. Disassembly is quite simple: unscrew... [Read more]

Sorry I didn't take many pictures. Amazon started to ship this with a WB3S when it used to have an ESP chip, so I found this forum. Thanks for all the hard work. I was able to flash by first erasing using Windows, then using my Mac to write the firmware. I followed the instructions... [Read more]

Moes 2 GAND Wall Switch - Aliexpress Connect the programmer's direct 5v USB output to the power supply module to the pin labeled "+5v" and the negative to GND (red and blue wire). Connect RX and TX (green and white wires) Yellow wire is CEN to activate writing mode. Program to use... [Read more]

Modul CBU, BK7231N Device dimensions: diameter 40 mm, thickness 15 mm. The power cable is two-core, about 1 m, non-pluggable. For firmware - standard procedure, soldered to the pads marked on the board. To reset, the CEN output, soldered the output to gnd, when starting the firmware,... [Read more]

Ultra-Wideband is a technology that is gaining popularity in the industry, automotive and consumer devices. UWB technology is being introduced to the latest smartphones and IoT devices. For the end user, this means the ability to benefit from precise localization that exceeds the... [Read more]

Teardown of this DIN-rail energy meter from AliExpress . It is branded EARU RDCBC/TJ-2P. It looks cosmetically identical to one I bought previously branded VKSELE VKS-2P , but the mainboard and wifi module are completely different. This one has a CBU module, which appears to be an... [Read more]

A regular device from Aliexpress , bought on sale in November, decided to redo it now. For firmware, I use the ESP-01 firmware module with a piece of soft cable from the keyboard. Installing python, for W7 the latest version is 3.8.10 When installing, note Add python 3.5 to PATH.... [Read more]

Hi All, I purchased some Kogan Smart Plug with Monitor to try and flash Tasmota. After failing with the Tuya-Convert tool I popped open the case to find a WB2S (WB25) / BK7231T chip. I then found the tuya-cloudcutter tool but had no luck, my device was not in the list. I initially... [Read more]

Hello Community, I would like to contribute my teardown of a power plug: Merkury MI-WW218-199WW It uses a WB2S modul, which is based on the BK7231T. Flashing was done after opening the plug with I used a raspberry pi with a serial adapter. Note: powering the plug needs 3.3 Volt, but... [Read more]

. Here I will show how additional devices can be controlled from a three-button WiFi switch. For this I will use Tasmota and OpenBeken . The mechanism will work completely serverless, as Groups from Tasmota communicate directly with each other over UDP via broadcast/multicast. I will... [Read more]

Firm Sipeed has launched new M1s and M0Sense AI modules. Designed for AIoT applications, the M1s is based on a 32-bit/64-bit RISC-V core wireless SoC from Bouffalo Lab — BL808 with Wi-Fi, Bluetooth and 802.15.4 radio for Zigbee support. And a BLAI-100 module (Bouffalo Lab AI... [Read more]

This device was a challenging one to get working perfectly, but with some fantastic support from p.kaczmarek2 and a few firmware revisions we got it working perfectly. The following is a teardown and programming of the device as well as the required Home Assistant integration. It... [Read more]

Some time ago I discussed WiFi light switches NAS-SC01W-1/NAS-SC01W-3 , I showed how to change their firmware and specified the pinouts of their non-standard WiFi module (ESP8266-MZ-V1). Now it's time for a dimmer from the same series. Here I will also provide the necessary information... [Read more]

54 / 5 000 Resultados da tradução Hello friends, I know very little about programming and linux but I have some skills with soldering components but I decided to build a smart house that works locally without internet access, so I started researching and ordered the first product:... [Read more]

This is a short teardown of the Deta Grid Connect Smart Double Gang Touch Light Switch (6912HA). It is sold in Australia and costs approximately $60 AUD from Bunnings . The switch uses a BK7231T Tuya chip. Pull off the faceplate and remove the cover by unscrewing the four screws shown.... [Read more]

So i have recently managed to install OpenBeken on this Smart plug: The board marking ECF-SOP02 gives several results, including an FCC ID certification and a US style plug here: Teardown: The device is closed with five triwing T2 security screws. The fifth one is so deep you can... [Read more]

Power Supply Design Notes: Thermal Simulations With the rising use of power technology, it is now necessary to monitor not only the electrical and electronic performance of the components but also their thermal behavior. The adoption of a generic model of a heatsink is highly important... [Read more]

AC Analysis with PartSim PartSim is a web-based application that allows you to create and simulate electronic circuits online, without needing software to be installed on your computer. You’ll need only an internet connection and a browser. In this third PartSim series article,... [Read more]

Power Supply Design Notes: Comparing Different Efficiencies of Devices This tutorial illustrates several simulations of power circuits driving resistive loads with different devices. Its purpose is is to find out which electronic switch, given the same power supply voltage and load... [Read more]

Today, a slightly less typical device, namely the WiFi add-on for controlling the garage door. This device plugs into the existing garage door switch and allows you to remotely close/unlock the garage by briefly shorting the appropriate contacts (simulating a button press). In addition,... [Read more]

This is a short teardown of the Cree A21 100W tunable white + color changing bulb. It is sold in the USA and is currently $13 on Amazon , Lowes , and Walmart . The bulb uses a BK7231T Tuya chip. Opening the bulb: take a razor blade and insert it between the top plastic and the base.... [Read more]

Power Supply Design Notes: Your First Boost Converter Boost converters are useful devices for designers because they solve a number of power problems at low, medium and high voltages. If it is necessary to reach a certain voltage, which might be higher then the one available, a voltage... [Read more]

Hi Community, I would like to contribute my teardown to a power plug with energy monitoring. The power plug is from ANTELA and is called "ANTELA Smart Plug Model: F1s202-EU". I bought it on Amazon Germany Link . The Tuya module WB2S is used for this power plug, which is based on the... [Read more]

DIN Rail WiFi switch from aliexpress Chipset BK7231N module model CBU EDIT: Power metering uses BL0942 chip. Pin Assignments: P9 - RELAY Status LED P15 - Wifi LED P17 - Button P24 - Bridge FORWARD P26 - Bridge REVERSE Switch uses Magnetic Polarized Relay: This relay must be driven... [Read more]

I will show here the interior, programming and configuration of the GU10, RGBCW LED lamp, manufactured by Nous, model P8, based on the BK7231N module and the integrated BP5758 LED driver with a control protocol similar to I2C. This is the fourth of four lamps given to me by our anonymous... [Read more]