Wb2s pinout (Tuya WB2S) Home Automation. Flashing them with tuya-convert is impossible with this chip, their might be a hardware UART but that is to be discovered The discussion revolves around a tutorial for programming the WB2S/BK7231T WiFi module, focusing on writing custom firmware and implementing protocols such as UDP, TCP, HTTP, and MQTT. It comes with BK7238 chip, but with some soldering it's also possible to very easily swap the BK7238 module with any classic Tuya WB2S or CB2S and still get correct GPIO markings. We've been recently looking for a way to buy brand new Tuya modules, especially CB3S/CB2S (BK7231N) and WB2S (BK7231T). 3V) provide for this chip? There is BP2525. 2021-05-27 V1. 1. It also contains some CLI utilities for binary firmware manipulation. Sep 18, 2022 · All the listed modules have a similar footprint and same pinout for pins labelled in the image. The discussion revolves around the development of a solderless conversion board for CB2S/WB2S Tuya modules, compatible with ESP12 boards. Another bottom of the PCB: I desoldered it to take better pictures both modules (to change the firmware, you only need to desolder the WiFi module, and sometimes you can do without it). RF design. To ensure the optimal Wi-Fi performance when the Wi-Fi module uses an onboard PCB antenna, it is recommended that the antenna be at least 15 mm away from other metal parts. This solution is suitable for the release stage. WB3S. This module can replace modules such as: BT2S, CB2S, ESP-02S, FL_M99_V1, TYWE2S, TYZS6, TW-02, WR2, WB2, WBR2, WBR2D, WR2E, WB2S, WA2, XT-BL02, ZS2S Oct 19, 2023 · Struggling with Nedis SmartLife LED floodlight's PWM pinout for color control. Users share insights on programming the device using bk_writer1. The overall process of this solution is How to Easily remove the WB3S, WR3, and other MCUs and replace them with an #ESP8266 module. LSPA9 comes in various versions, but in this case it's based on CB2S (BK7231N) module and BL0942 energy metering chip with UART interface. Dec 27, 2024 · NiceMCU_WB3S_V1 is a very cheap (possible to buy for as low as 1-2$) Beken development board. 0. Device configuration (user_param_key) May 27, 2021 · Changes. There’s only one with wifi, namely the BK7231U. 5 and I installed OpenBeken using tuya cutter for a BK7231T and selected the Generic Tuya NAS WR07W 16A smart plug. 3 mm x 15 mm x 18 mm. Related Topics Below is an incomplete list of my topics about smart home devices. 35 mm, and the tolerance for some The WB2S dimensions (H x W x D) are 3. 3v and GND 5. Jan 22, 2022 · And it was connected there even after multiple firmware updates. May 4, 2021 · Dear Tasmota Developers, I just bought my first Smart Device (an LSC Power Plug) which does not work with Tuya-Convert, as it is built with a Tuya WB2S module on board, which is sporting the Beken This module can replace modules such as: BT2S, CB2S, ESP-02S, FL_M99_V1, TYWE2S, TYZS6, TW-02, WR2, WB2, WBR2, WBR2D, WR2E, WB2S, WA2, XT-BL02, ZS2S WB2S WB3L WB3S WB3S Table of contents Usage Pinout Pin functions Pinout Pin functions Flash memory map WB3S Wi-Fi Module. Users share their experiences with flashing the device's firmware, primarily using OpenBeken and Cloudcutter tools. Jan 1, 2025 · The basic steps are: 1 - Download the right firmware file 2 - Connect the UART programmer to Windows (plug it into a USB port) 3 - Start the flashing software 4 - Backup the current firmware on the WB2S to a file on your PC (there's a button on the screen) 5 - Write the new firmware to the WB2S (there's a button on the screen) 6 - Write the Jan 19, 2025 · The discussion revolves around the LSPA8 model of the Generic Tuya WIFI Smart Socket, which features a WB2S module and a BL0937 power metering chip. Pinout: Pin number The only thing left is to check the pinouts and do a replacement with ESP02S or similar (pinout equivalent of TYWE2S, WB2S, CB2S Das Herzstück des Relais ist leider WB2S, hier gibt es keinen ESP: Dieses Modul ist WB2S, implementiert auf BK7231TQN32 (eigentlich: BK7231T, QN32 bedeutet QFN 32-Pin-Gehäuse). I would like to present here a short teardown and OpenBeken configuration guide for LSPA9 power measurement socket. We have 1 TUYA WB2S manual available for free PDF download: Manual . We would like to show you a description here but the site won’t allow us. The additional pads, located on the 'back' of the WB2S, I have also taken the liberty to derive. This is WB2S: (It is worth mentioning that I have already met WB3S in the topic WiFi SmartLife single-color LED strip dimmer - test, interior, diagram ) The module from Tuya implemented on the 32-bit BK7231D. Summary generated by the language model. I will not touch on its subject here. Dec 27, 2024 · Po pierwsze, potrzebujesz oczywiście płytki NiceMCU_WB3S_V1, która została już tutaj omówiona: NiceMCU XH-WB3S BK7238 Flashing, Testing, Pinout, Development, Porting Można go dostać już za około 1$ po utworzeniu nowego konta: Następnie musisz usunąć moduł BK7238 gorącym powietrzem, tak jak w moim poprzednim hacku płytki Nov 3, 2023 · Eswin ECR6600 flashing guide, datasheet, pinout, 100% local setup, Home Assistant; [BK7231T / WB2S] Teardown Moes Smart Garage Door Opener MS-102 Facebook Messenger X WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L Otherwise (and for generic boards), you'll have to find the pinout online. The document provides details on electrical WB2S Module Datasheet Device Development > Module > WiFi&BT Dual Mode Module Version: 20200520 Online Version. Jun 13, 2024 · Antenna Antenna type. It contains an ARM Cortex-M4 microcontroller, Wi-Fi and Bluetooth radios, SRAM, flash memory, and peripherals. WB2S is a low-power embedded Wi-Fi+Bluetooth LE Dual protocol module that Tuya has developed. Btw, just to be sure - you are setting button and relay to the same channel, right? If you set physical button to channel 1 and relay to channel 2 then the button won't toggle the relay. I would like the red LED to be off when the plug is not activated. According to the WB3S datasheet, UART2_TXD (P0) and UART2_RXD (P1) are used to display Dec 30, 2022 · There has been many versions of Mini Smart Switch. Jan 27, 2024 · Some questions: I understand you didn't have to desolder the WB2S (kept in circuit) right? Would you mind confirming which connections/pinout used on device/programmer? Are the USB ports controlled by their own relay (common relay for both USB ports or separate)? Same question for 120v outlets. solder the ESP module in the place of the module 5. BK7231N is a bit newer and has more advanced support in OpenBeken (deep sleep and WS2812B), so it was our primary focus. BK7231U is a 2. There are two different versions of this module: ESP8685-WROOM-03-H4 with 4Mb flash Once turned off it goes back to the red LED. 1 Table of contents Usage Pinout Pin functions Flash memory map T112-V1. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L Pinout Pin functions Flash memory map WB2L Wi-Fi Module. Ideal for smart home integration. A GPIO map was also created during the work - otherwise it will be easy to get lost when servicing the design in the future:. Step Four Plug the UART reader into your computer and launch OpenBeken flasher software . I was completely unaware of a reflash alternative for the WB3S until I came across the ‘Australian certified hardware’ thread the other day. 11n, Bluetooth 4. Jul 6, 2022 · Thanks for the guide. WB2L uses the PCB antenna. For this you will need the following: soldering heat gun aka rework station - I use the JCD from AliExpress. 0 added a table with the pinouts/connections… yes my sketch was a bit confusing Nov 30, 2021 · Below is a list, in a random order: - this HTTP server from the used SDK for WB2S is weak, either I will convert it or I am sporting the server with the XR809 SDK (which I have already launched) - I did not work out the save to the settings memory so that WB2S remembers what WiFi connected to, but this is not a problem - one could try to "free Jun 13, 2024 · wb2s 是由涂鸦智能开发的一款低功耗嵌入式 wi-fi+蓝牙 le 双协议模组。它由一个高集成度的无线射频芯片 bk7231t 和少量外围器件构成，. WB3S-IPEX. This website is a repository of device configuration templates and setup guides for devices running ESPHome firmware. The conversation also touches on the calibration of devices and the collection of firmware dumps for further development. Dec 18, 2024 · TUYA Breakout Board für/for WE2S, WB2S, WBR2, CB2S, RTL8710. To program the device, the switch on pin 1RX has to be disconnected because the switch has a pullup resistor which prevents from programming via UART. Oct 27, 2023 · Replace Tuya TYWE2L, CB2L, WB2L, WR2L, WBR2L, BW2L and similar Wi-Fi modules with an Espressif ESP32 or ESP8266 light module. Brand: TUYA PlatformIO development platform for BK7231 and RTL8710 and LN882H IoT chips. ESP8685 is the new nomenclature for ESP32-C3 based modules. It supports BK7231T (WB2S, WB3S, WB2L, etc), BK7231N (CB2S, CB3S, etc), XR809 (XR3), BL602 and now also… W800 by Winner Micro! My firmware allows you to connect new devices to Home Assistant by MQTT, to script them with events and callbacks, to control them by basic Tasmota HTTP interface, also offers a TCP console WB2S Datasheet 6 2 Module Interfaces 2. Dec 8, 2019 · On the website of the chip manufacturer, on the main page their main chipset are listed. Replace Tuya Smartplug Wifi module Wb2s with ESP12F(esp8266) flash with tasmota and control using Home Assistant. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L WR2LE WR3L WR3LE LSC LMA35 N LSC LMA35 T LN-02 WL2S T102-V1. 2 notes about potentially using OpenBeken 2024-06-25 V2. Flashed with Tuya-Cloudcutter, seeking correct settings. Jan 11, 2023 · LSC Smart Connect Power Strip with USB (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) LSC Smart Connect Smart Power Strip with USB Hier mal wieder ein neues Projekt von mir, handelt sich um das folgende Geräte LSC Smart Connect Smart Power Strip with USB, man muss beim öffnen ein wenig aufpassen. BK7231T (WB3S, WB2S, WB2L, etc) BK7231N (CB2S, CB2L, WB2L_M1, etc) T34 (T34 is based on BK7231N) BL2028N (BL2028N is a Belon version of BK7231N) XR809 (XR3, etc) BL602; W800 (W800-C400, WinnerMicro WiFi & Bluetooth), W801; W600 (WinnerMicro chip), W601; Please use automatically compiled binaries from the Releases tab. The pin assignment is as follows: Pin 6 - PWM - 2 Pin 7 - PWM - 1 Pin 8 - PWM - 3 Pin 24 - PWM - 4 Pin 26 - PWM 5 Works great. Start programming command: uartprogram -w -s 0 -d /dev/ttyUSB0 -u -b 115200 OpenBK7231N_QIO_1. Figure 2-1 shows the WB2S front and rear views. Jul 8, 2022 · ESP12F Pinout. Flashed OpenBK on WB2S with BK7231Flasher, but pinout for buzzer/reset unknown. The main goal of this project is to provide a usable build environment for IoT developers. Dec 22, 2020 · The WB2S seems to be 100% pin compatible with the TYW2S because both WIFI boards are connected in the same way. 8. Solder wires to U1_RX and U1_TX 3. 🙂 - So per documentation, it phrases that WB2S consists of a BK7231T RF chip, which basically seems to be specific to their wifi / bluetooth chip part - I'm not completely sure what the relation between WB2S and BK7231T RF actually is. WB2S Datasheet 6 2 Module Interfaces 2. YMMV of course! The important parts: substitutions: bl0937_voltage_divider: "750" bl0937_current_resistor: "0. program the ESP module (loose or after soldering) 4. Nov 20, 2022 · The discussion revolves around the ANTELA Smart Plug Model: F1s202-EU, which features energy monitoring capabilities using the BL0937 IC and is based on the BK7231T chip with the WB2S module. You can develop embedded Wi-Fi products as required. WBLC9. Sharing the configuration I built up after some soldering/multimetering and calibration. Overmax company and unfortunately they are on WB2S wifi module which does not allow to upload for example Tasmota. I speculate that maybe WB2S is a specific permutation of a BK7231T RF reference design that uses M4 Cortex. 3V/220 mA and the peak current limit of ≥ 400 mA. 3v and 2 wires to GND 2. May 30, 2023 · UK Poundland - Ultrabrite Smart Wifi Plug (ULP1GWIFIPLUG ) WB2S version Bought at Poundland UK for £3 each, usually £6 Avoid opening if possible, but Poundland still have TYWE2S on shelves in exactly the same packaging as new stock which are WB2S based Plug it in and scan Wifi for nearby clients, or put in AP-mode to make it more visible and Feb 18, 2024 · Explore the Bardi ON Off Breaker (JKY101-F-SR-V31) with WiFi module WB2S/BK7231T, designed for efficient load management up to 10A. The build seems to get stuck between the functions “finsh_system_init” and “finsh_set_echo”. And while I’ve not been in the same scenario you are in now (not yet run across a wb2s chip with mcu attached), you might try a cloud cut and ‘guess’ at the firmware version. . Comments 6 Apr 14, 2022 · Pinouts are marked on PCB. ini: [env:wb2s] platform = libretiny board = wb2s framework = arduino. 0025 ohm" # The main relay is connected to P26 switch: - platform: gpio name: Socket pin: P26 id: socket1 on Jul 27, 2024 · [BK7231T / WB2S] Teardown generic tuya Smart Plug with Energy Meter (BL0937) 31 Jan 2023 23:42 (4) A user conducted a teardown of a generic Tuya smart plug based on the WB2S chip, which features a BK7231T and a BL0937 energy meter for monitoring electrical parameters. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L WR2LE Tuya Pinout Config. May 27, 2023 · You would need to look up TYWE2S and WB2S pinouts to compare that. 0-3. WB2S WB3L WB3L Table of contents Usage Pinout Pin functions Pinout Pin functions Flash memory map WB3L Wi-Fi Module. 2 full feature comb chip with multi-media feature. Solder 1 wire to 3. Figure 2-1 WB2S front and rear views Note: The default dimensional tolerance is ±0. ZN268131 WB2S BK7231T WiFi Smart Switch that allows you to connect a bistable button 4. Oct 5, 2019 · UPDATE: Devices sold by Action under the LSC brand are no longer being manufactured with Espressif's ESP chips but instead use WB2S. It includes 1) features like an embedded CPU, WiFi connectivity up to 802. Note: It is recommended to select a power supply with a steady-state power of ≥ 3. This guide covers tools needed and provides a step-by-step approach for successful flashing. 6V and has dimensions of 2. Sinilink USB XY-WFUSB Tasmota Flash. Jan 28, 2022 · Pinout based on WB2S: PWM0 = Led PWM1 = BL0937 CF PWM2 = BL0937 CF1 PWM4 = BL0937 SEL PWM5 = Relay TX1 = Button #28 19853750 30 Jan 2022 20:46. What was delivered looked correct but the pinout was different and it turns out that it is an ESP32 version with a part number of XH-004B… Has anyone had a play with one of these modules ?? Gaz This module can replace modules such as: BT2S, CB2S, ESP-02S, FL_M99_V1, TYWE2S, TYZS6, TW-02, WR2, WB2, WBR2, WBR2D, WR2E, WB2S, WA2, XT-BL02, ZS2S ESP8684 is the new nomenclature for ESP32-C3 based modules. example1 example2; T34 (flash as if standard BK7231N), see flashing trick; BL2028N (BL2028N is a Belon version of BK7231N) BK7238 (eg XH-CB3S) (see tutorial for 1$ board) XR809 (eg We would like to show you a description here but the site won’t allow us. WB8P. 1 The WiFi module is WB2S, BK7231T, it is known: View from above: What does this 5V (and then 3. At this point i need help from somebody with more RTTOS knowledge than me (or even C). Mar 15, 2025 · ECR6600 modules ECR6600 can be found in a form of some Tuya modules, for example, AXY2S, which is similar to Beken-based CB2S, WB2S or ESP8266-based TYWE2S. I would like to add a teardow of a generic tuya smartplug based on a wb2s. WB2S pinout: wb2s-pinout 840×383 66. Apr 17, 2021 · The pinouts seem an almost 1:1 swap with the ESP-12F module except, there is an extra UART TX/RX channel. 1 T102-V1. flashing guides for WB2S/WB3S/CB2S fan Tuya controllers with TuyaMCU; MQTT; Home Assistant Yaml configuration; Flash with OpenBeken - open source, multiplatform Tasmota/Esphome replacement for new Tuya modules, including BK7231N, BK7231T, XR809, BL602, W800, T34 Apr 9, 2022 · WB2S ⌗ WB3S⌗ WBLC3⌗ When you follow the traces using the continuity check of a multimeter, this will be the pinout: Next up wire the tiny circuit board on a Apr 20, 2023 · BK7252 datasheet, pinout, SDKs, flash map, application schematic, flash tool for read and write (PWM0) on WB2S_BK7231T. It is suitable for applications in Dec 4, 2023 · But are you asking about the WiFi module itself or the switch? TYWE3S is a module very similar to ESP12. I tried both settings. 11 b/g/n support, Bluetooth LE, GPIOs, UART, and ADC interfaces. You can try without one but it’s harder than it looks in the video. 35 mm, and the tolerance for some Jan 3, 2025 · Participants share insights on pinouts, boot logs, and the reliability of different flashing methods, including UART connections and potential modifications to access necessary pads. make any corrections Jul 13, 2024 · Pinout: - BL0937 SEL on P6 - Button (channel 1) on P10 - BL0937 VI on P7 - WiFi LED on P26 - BL0937 ELE on P8 - Relay (channel 1) on P24 Device seems to be using CB2S module, which is using BK7231N. for TYWE2S, WB2S, WBR2, CB2S, RTL8710 The WB2S module is a low-power Wi-Fi and Bluetooth dual-protocol module. Of course, you can also buy it as a module only, without an IoT device: In the normal, popular version, TYWE3S has pinouts compatible with ESP12, but in this topic I am describing its alternative version, where the pinouts are completely mixed up (except ground and power supply). May 6, 2023 · To throw a spanner in the works. Aug 8, 2020 · does anyone have the pinout for this? tried tuya convert but didn’t connect. Seeking pinout info and troubleshooting tips. I flashed it over the air with tuya Cloudcutter. BK7231T/BK7231N Minimalny schemat systemu WB2S can be programmed. Opened to change WB2S with BK7231 chip with ESP12 I have see this is connected to main board with 8 pin. compare the pinout of the module with the inside and check if a given ESP module (for example, ESP12F) can replace it 2. Connect CEN (Reset of WB2S) to GND at the beginning of programming. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L WR2LE Pinout Pin functions Flash memory map CBLC5 Wi-Fi Module. Jan 21, 2023 · - WB2S + LCD 2x16 ze sterownikiem I2C + obwód testowy ekspandera portów MCP23017: - WB2S + przełącznik bistabilny i obwód testowy potencjometru: - obwód testowy odbiornika WB2S + IR: - Test SPI oprogramowania WB2S +: Więcej o moich konfiguracjach testowych będzie omówione w dedykowanym temacie OBK. Jan 31, 2023 · Hi everyone. Tuya Pinout Config Beken Flash Chip List Table of contents Board list CPU list Families Feature support Unsupported boards WB2S: BK7231T: 2 MiB: 256 KiB: 11 (8 I/O) Nov 23, 2022 · Good afternoon friends I bought GIRIER brand 16A smart plugs with CB2S / BK7231N Chip, is it better to replace with TYWE2S / ESP-02S chip and then is it easy to write Tasmota firmware or is it bett Aug 6, 2023 · The discussion revolves around the ANTELA Smart Plug Model: F1s202-EU, which features energy monitoring capabilities using the BL0937 IC and is based on the BK7231T chip with the WB2S module. 0 started 2022-05-30 V1. Connect a power supply to 3. I wrote about that some time ago in the XR809 topic, even before I posted this WB2S/BK7231T tutorial. WB2S is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and TCP/IP protocols. 11n and BLE 4. Users express interest in the availability of adapters for various module types, particularly the CBU and CB2S/WB2S. Mar 21, 2022 · I purchased some of the modules from this site that were advertised as DMP-L1 modules but have a different profile and are marked XH-001B. TUYA WB2S Manual (21 pages) Global Intelligent Platform. Connect pinout wires to the USB to UART adapter (ensure the MCU supports only 3. On the web I found a pinout corresponding to the ESP-01N module, but I can not for nothing put it into a flash state to upload new software Apr 21, 2023 · BK7252 datasheet, pinout, SDKs, flash map, application schematic, flash tool for read and write; Both WB2S (BK7231T) and CB2S (BK7231N) are supported. It consists of a highly integrated RF chip (BK7231T) and several peripheral components, with an embedded Wi-Fi network protocol stack and robust library functions. 0 dBi. And the Tuya section starts, as usual, at 2023424 Note that there is no red led for monitoring power state. Key features include Wi-Fi 802. WBLC5. ltchiptool is a universal, easy-to-use GUI flashing/dumping tool for BK7231, RTL8710B and RTL8720C. 8 KB. TYWE2S uses an onboard PCB antenna with a gain of 3. 1 Dimensions and Footprint WB2S has two rows of pins with a 2 mm pin spacing. 4 GHz 802. Thank you! Dec 29, 2022 · LSC Smart Connect Power Strip with USB (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) LSC Smart Connect Smart Power Strip with USB Hier mal wieder ein neues Projekt von mir, handelt sich um das folgende Geräte LSC Smart Connect Smart Power Strip with USB, man muss beim öffnen ein wenig aufpassen. In platformio. 8mm x 15mm x 18mm. There are two different versions of this module: ESP8685-WROOM-03-H4 with 4Mb flash BK7231T (eg WB3S, WB2S, WB2L) BK7231N (eg CB2S, CB2L, WB2L_M1) BK7238 (eg NiceMCU, XH-CB3S) T34 (based on BK7231N) BL2028N (based on BK7231N) XR809 (eg XR2, XR3) Mar 16, 2023 · MOES 1-2 Light Switch: WB2S BK7231T TuyaMCU configuration for OpenBeken 12 Apr 2023 20:50 (10) The discussion revolves around configuring the MOES WS-EUB light switches with the BK7231T firmware to replace the Tuya software using OpenBeken. 😃 If you’re interested I can send you instructions how to get it built and maybe you can find a workaround or the cause. LN882H TNCE RGBCW WiFi LED bulb - LN882HKI flashing tutorial, UART to USB, pinout; Twin BL0942 mod - Two BL0942 on two UARTs on one power metering device Jun 2, 2021 · Antenna information Antenna type. Apr 27, 2022 · The initiative was launched on these topics: WB2S/BK7231 Tutorial - we create our own firmware - UDP/TCP/HTTP/MQTT [BK7231T] My HTTP server, configurator, MQTT support with Home Assistant For the user - downloading the compiled OpenBL602/OpenBeken batch for BL602 My Github repository has a script that automatically compiles online binaries for This website is a repository of device configuration templates and setup guides for devices running ESPHome firmware. 5dBi. by Tuya Inc. für TY WE2S, WB2S, WBR2, CB2S, RTL8710 und gleichem Formfaktor. To ensure optimal Wi-Fi performance when the Wi-Fi module uses an onboard PCB antenna, it is recommended that the antenna be at least 15mm away from other metal parts. Jan 3, 2025 · Participants share insights on pinouts, boot logs, and the reliability of different flashing methods, including UART connections and potential modifications to access necessary pads. Auf der Platine daneben ist ein 26-MHz-Quarzresonator zu sehen. 1 notes about ESP02S 2022-09-29 V1. IT actually supports BK7231T (WB3S, WB2S, WB2L, etc), BK7231N (CB2S, CB2L, WB2L_M1, etc), T34 (T34 is based on BK7231N), XR809 (XR3, etc), BL602 and W800 (W800-C400, WinnerMicro WiFi & Bluetooth), W801 We would like to show you a description here but the site won’t allow us. A continuation of, as some call it, "sculpting". The WB2S is a low-power Wi-Fi module that integrates an ARM Cortex-M4 MCU, Wi-Fi and Bluetooth connectivity, and various peripherals. Participants share their experiences with various smart home devices using the BK7231T chip, including challenges in flashing firmware, reverse engineering the BK7231T (eg WB3S, WB2S, WB2L) BK7231N (eg CB2S, CB2L, WB2L_M1) BK7231M, this is a non-Tuya version of BK7231N with 00000000 keys, sometimes labelled as Belon BL2028. Sep 17, 2020 · Hello, I have recently buy two MS-104B (MoesHouse) from chinese BG store. Page 7: Electrical Parameters WB2S Datasheet Pin No. Aubess 2gang Mini Smart Switch BK7231N /CB2S 2. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L Pinout Pin functions Flash memory map CB2S Wi-Fi Module. Dec 9, 2022 · LSC Smart Connect Power Strip with USB (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) LSC Smart Connect Smart Power Strip with USB Hier mal wieder ein neues Projekt von mir, handelt sich um das folgende Geräte LSC Smart Connect Smart Power Strip with USB, man muss beim öffnen ein wenig aufpassen. Product page. flashing guides for WB2S/WB3S/CB2S fan Tuya controllers with TuyaMCU; MQTT; Home Assistant Yaml configuration; Flash with OpenBeken - open source, multiplatform Tasmota/Esphome replacement for new Tuya modules, including BK7231N, BK7231T, XR809, BL602, W800, T34 Mar 8, 2024 · Small teardown of SP400W-IL plug with power metering, it uses WB2S with BL0942 to monitor power, the device is pretty neat with a good plastic, I should also mention that it heats up a little bit during operation, to open it you should unscrew the 3 screws at the bottom, bought it from here Flashing: Unfortunately there are no labeled holes, so you need to solder pins directly to WB2S, there This website is a repository of device configuration templates and setup guides for devices running ESPHome firmware. ltchiptool. The WB2S dimensions (H x W x D) are 3. Use the heat gun to melt the solder on the WB3S. This module can replace modules such as: BT2S, CB2S, ESP-02S, FL_M99_V1, TYWE2S, TYZS6, TW-02, WR2, WB2, WBR2, WBR2D, WR2E, WB2S, WA2, XT-BL02, ZS2S Read my guide on replacing a compatible module. In this guide I am using an Australian DETA 6922HA-Series 2 Double Power Wall outlet. CB2S uses the PCB antenna. Connect your serial adapter to U1_RX, U1_TX, and GND 4. For further adventures with WB2S, I invite you here: WB2S/BK7231 Tutorial - we create our own firmware - UDP/TCP/HTTP/MQTT . Sep 29, 2022 · OpenBK7231T/OpenBeken is a Tasmota/Esphome replacement for new Tuya modules featuring MQTT and Home Assistant compatibility. In these topics, I put a lot of emphasis on showing the inside of the device and the elements used inside, and Mar 9, 2023 · LSC Smart Connect Power Strip with USB (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) LSC Smart Connect Smart Power Strip with USB Hier mal wieder ein neues Projekt von mir, handelt sich um das folgende Geräte LSC Smart Connect Smart Power Strip with USB, man muss beim öffnen ein wenig aufpassen. I’m new to HA, but I’ve been watching a heap of HA-related videos for the last month or two. It operates from 3. Dec 12, 2022 · There is a WB2S chip inside. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L Pinout Pin functions Flash memory map CBU Wi-Fi Module. Dimensions: Pinout: Next to it is a transistor and a button: J3Y as usual S8050. #21 21440741 15 Feb 2025 16:52 Jun 21, 2024 · WB2S. bin 6. Aug 19, 2022 · I’ve been developing my own Tasmota/esphome clone for some time already . i have a feeling that it’s not esp. Aug 10, 2023 · I would NOT let it do any update. The UART2 port could come in handy, if only as a simple RX and TX have to be crossed between programmer and WB2S (RX on programmer has to be connected to TX on WB2S). Then we have to follow these steps: 1. exe and UART connections, emphasiz Feb 15, 2023 · Here is a detailed guide on how to Open Bekenize/flash the new Tuya chips with OpenBK7231T. 3. Ground up from the tools and techniques to get the job done so Dec 20, 2022 · LSC Smart Connect Power Strip with USB (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) LSC Smart Connect Smart Power Strip with USB Hier mal wieder ein neues Projekt von mir, handelt sich um das folgende Geräte LSC Smart Connect Smart Power Strip with USB, man muss beim öffnen ein wenig aufpassen. Symbol I/O Type Function UART1_RXD, which is used as a user-side serial interface pin and is connected to the P10 pin on the internal IC Common GPIO, which is connected to the P6 pin 1 Overview 1 Overview WB2Scontainsalow-powerArmCortex-M4microcontrollerunit(MCU),1T1RWLAN module,256KBstaticrandom-accessmemory(SRAM),2MBflashmemory,and Feb 24, 2024 · Discover how to flash the WB2S Tuya board with BK7231T MCU on the Action LSC Smart Power Monitoring Plug. Both work in the Jun 14, 2024 · Antenna Antenna type. Apr 20, 2022 · Hello. Jan 22, 2023 · Struggling to identify MOES MS-104B Smart Switch pins. 60. Method 1: An integrated solution for flashing and authorization Solution description. Antenna interference reduction. 3V), and check Tuya RX is on the TTL board's TX and vice versa. From the many devices I have flashed, these were the only ones with wrong pinout writings on the board. Użytkownicy dzielą się doświadczeniami związanymi z procesem flashowania, w tym wymaganiami sprzętowymi, takimi jak czytnik USB na TTL, lutownica oraz oprogramowanie Flasher OpenBeken. if the pinout is correct, desolder the module from inside 3. I have bought this device some time ago from aliexpress: It came with tuya 1. mini smart switch - Belon BL2028N - 3. 6 Responses. GPIO pinouts: . There is a slight pinout difference between the two - CB2S has red wifi LED on P11 (UART Tx) and the button on P10 (UART Rx) and the WB2S module has these two switched around. Contents Contents 1 Product Overview 1 Feb 23, 2024 · Poradnik dotyczy flashowania inteligentnej wtyczki Action LSC Smart Power Monitoring Plug z płytką WB2S Tuya i MCU BK7231T. Features Pinout Pin functions Flash memory map WB3L WB3S WBLC5 Board code: wb2s. I have a PC191HA Series 2 (stamped on box and printed on back of device) that has a BK7231T / WB2S in it! Added after 5 [hours] 25 [minutes]: I have my PC191HA Series 2 (CB2S) running in HA using ESPHome with the pinout help from this thread - thanks! I also have a PC191HA Series 2 running the other module Oct 28, 2021 · Hi @ster1um, Unfortunately no good news yet on this build of RTTOS for WB2S. Mar 9, 2023 · I edited their ESPHome config back from the ESP-12F they used to the CB2S pinout without much thought and everything (so the relay and monitoring power, voltage, current, energy) worked immediately after the first flash with cloudcutter! I don't know where the best place would be to post this, but I'll leave my config here for now just in case: Jun 29, 2024 · BK7252 datasheet, pinout, SDKs, flash map, application schematic, flash tool for read and write with a Tuya Combustible Gas Alarm model DY-RQ400A which employs a Colleagues the story begins as I have purchased sockets with consumption measurement etc. There are two different versions of this module: ESP8684-WROOM-03-H4 with 4Mb flash Apr 1, 2023 · Struggling with a disassembled Smart Plug RMC004 using a ZHU2114 controller & BL0937 for metering. WB3L. To ensure optimal Wi-Fi performance when the Wi-Fi module uses an onboard PCB antenna, it is recommended that the antenna be at least 15 mm away from other metal parts. Connect CEN to ground briefly Apr 20, 2024 · Just did some tweaking with some manually flashed Tuya sockets I have laying around. WB3S uses an onboard PCB antenna, antenna gain 1. Jan 21, 2023 · WB3S and CB3S have similar pinout to TYWE3S/ESP12 - WB2S (BK7231T): - CB2S (BK7231N): CB2S and WB2S have similar pinout to TYWE2S, etc - WB2L (BK7231T): NOTE: The UART1 is available only on the back of the module, which is often covered by the PCB. As long as you select the correct BK T or N chip, from my experience you stand a very small chance of ‘bricking’ the unit, it will just fail the ‘cut’ and reset it and the The document provides information about the Tuya WB2S Wi-Fi module, including its key features, application scenarios, electrical parameters, RF features, antenna information, packaging details, and a reference circuit diagram. So I start searching for some replacement modules Sadly the pinout of an ESP-M4 (ESP8285 Wifi Modul) is slightly different but perhaps its small enough to wire it inside. 0, and onboard antenna; 2) pin definitions and dimensions; 3) electrical parameters and current consumption; 4) RF performance specifications; 5) antenna information; and 6) packaging, production, and storage guidelines. Since the Tuya module must be authorized to connect to the Tuya platform, the authorization step cannot be omitted. 3V for AMS1117-3. You can read more about it here: WB2S / BK7231 Tutorial - creating our own firmware - UDP / TCP / HTTP / MQTT [BK7231T] My HTTP server, configurator, MQTT support from Home Assistant I also described the manufacturer's applications (Tuya / eWeLink / Blitzwolf / SmartLife) in previous topics from the series. Maybe the modules cause this issue indeed. The WiFi module is nothing for ESP. Please let me know if the devices are still available in Poland, I still need some and I pay by Paypal This module can replace modules such as: BT2S, CB2S, ESP-02S, FL_M99_V1, TYWE2S, TYZS6, TW-02, WR2, WB2, WBR2, WBR2D, WR2E, WB2S, WA2, XT-BL02, ZS2S Read my guide on replacing a compatible module. Test point To facilitate flashing firmware and functional testing in the production test, in chip on board (COB) design, I/O pins for testing need to be broken out to pads. WB2S WB3L WB3S WBLC5 WR1 WR1E WR2 WR2E WR3 WR3E WR3N WR2L Pinout Pin functions Flash memory map WR3L Wi-Fi Module. The document provides specifications for the WB2S WiFi and Bluetooth dual-mode module. Also, it would be useful to find where the device name reporting to DHCP comes from, because in my case both WB2S/WB3S devices are seen by router as "wlan0". WB2L. Jun 13, 2024 · WB2S contains a low-power Arm Cortex-M4 microcontroller unit (MCU), 1T1R WLAN module, 256 KB static random-access memory (SRAM), 2 MB flash memory, and extensive peripherals. Glaedr304 Glaedr304. rwctqlgxnibphzkbsaczqegaoncrbwdjidbtaoemwrwiculilg