Tuya bk7231n pinout It is composed of a highly integrated radio-frequency identification (RFID) chip BK7231N and a few peripheral components. The T34 module integrates the BK7231N chip, crystal, RF matching component, and most other peripheral components. Board code: generic-bk7231n-qfn32-tuya. 0. 0 V Current 0. Feb 13, 2023 · Hello, I am adding a teardown for a cheap Tuya Brazilian standard Smart Plug bought on Aliexpress with the BK7231N / CB2S chip. The user seeks to reflash the device to eliminate reliance on Tuya services. CBU Wi-Fi & Bluetooth 模组 parameters, CBU Wi-Fi & Bluetooth 模组 datasheet, CBU Wi-Fi & Bluetooth 模组 development data, design reference Dec 21, 2023 · Continuing the Tuya device hacking series, this post describes how to flash the Tuya Mini Smart Switch with ESPHome firmware. 4GHz + Bluetooth microcontroller. Wenn dir meine Arbeit gefällt, würde ich mich über einen Kaffee freuen Sep 22, 2022 · Here is a detailed guide on how to Open Bekenize/flash the new Tuya chips with OpenBK7231T. As for the openbkt firmware, the cbu is a bk7231N variant. /tuya-cloudcutter. The user encounters issues during the flashing process, specifically with the blue diode's behavior and the requirement to shorten GND and CEN. Moes 4 Button - https://s. chrispazz (Chris) February 1, 2023, 3 bk7231n 内部集成了基于优先级的 wi-fi 和蓝牙共存控制模块，实现实时的优先 级和收发调度。bk7231n 可以提供当前收发器的收发状态指示，从而支持外部的 pa 和 lna 扩展。 bk7231n 内嵌 efuse 并支持 flash 内的 otp 读写，可以用于提供唯一序列 Jan 14, 2023 · The discussion revolves around the Aubess Mini Smart Switch 16A, which utilizes the BK7231N chip and features a custom PCB instead of a Tuya module. {"success":false,"errorCode":"MOVED_PERMANENTLY","errorMsg":"MOVED_PERMANENTLY"} Jan 11, 2025 · The discussion revolves around the teardown and modification of a Tuya European Graffiti Wifi Smart Plug, specifically focusing on the BK7231N and BL0937 chips. They can be flashed with OpenBeken, which will provide basic Tasmota compatibility and Home Assistant features. Very affordable RGBW bulbs on sale now Programming of the BK7231N To program the BK7231N, we need to connect an external power supply (disconnect the product from the mains, of course), preferably 3. Check out the links for more info on the hardware and setup. " The device utilizes the BK7231N chip and can be flashed using tuya-cloudcutter with a specific command. Various options for reflashing are e Explore the Tuya Smart WiFi relay T102_V1. I do not necessarily want to replace it with an ESP8266 module, but rather prefer to use the Tuya SDK or something similar to flash Tasmota on top. and configuring the Tuya Wifi Smart Plug (T34) using the Mar 13, 2025 · CB2L is a low-power-consumption embedded Wi-Fi module that Tuya has developed. It consists of a highly integrated RF chip BK7231N and a few peripherals, and not only supports the AP and STA dual-network-connection manner but supports the Bluetooth LE network connection manner. Pin Function; GPIO26: Button 1: GPIO7: Relay 1: generic-bk7231n-qfn32-tuya. See attached images for details. sh -r. Dec 13, 2023 · Device configuration, as extracted from Tuya: - Button (channel 1) on P8 - Pair/Toggle All Button on P7 - Relay (channel 2) on P6 - Relay (channel 1) on P24 - Relay (channel 3) on P26 - Relay (channel 4) on P14 - WiFi LED on P22 - Button (channel 4) on P11 - Button (channel 3) on P10 - Button (channel 2) on P9 Device seems to be using CB3S module, which is using BK7231N. In platformio. Includes details on flashing the CB3S with a CB340 USB-Serial without desoldering. 00 VA Reactive Power 0. 8-sdk-2. The aut Sep 1, 2024 · CB3L is an embedded low-power Wi-Fi module that Tuya has developed. The ESP8266EX is on a Aubess Wi-Fi module labeled M32-V1. I found some teardown photos and pinout details. I’ve got a cheap network IR transceiver, thats originally Tuya and has something-esp labelled as ‘CB3S’ in it. Jun 2, 2021 · CB3S is a low-power embedded Wi-Fi module that Tuya has developed. The current model (bought August 2022 on aliexpress, offical Aubess store) does NOT work. e. You will need a Windows OS computer and a USB-to-Serial converter to complete this this. There’s only one with wifi, namely the BK7231U. I’m not sure if openbkt has irsend/irreceive for the pins just yet. Dec 30, 2022 · Device configuration, as extracted from Tuya: - Pair/Toggle All Button on P10 - WiFi LED on P8 - TglChannelToggle (channel 1) on P23 - Relay (channel 1) on P26 Device seems to be using CB2S module, which is using BK7231N. Apr 20, 2023 · Struggling with Lightinginside RGBW Bulb BK7231N/CB2L/BP5758D pinout. May 11, 2023 · A user shared a teardown of a generic smart switch from AliExpress, identified in the Tuya app as the "Latched hidden Switch Single pro. Sep 1, 2024 · CB2S is an embedded low-power Wi-Fi module that Tuya has developed. Tuya Pinout Config Beken Flash Chip List Table of contents Board list CPU list Families Feature support Tuya Inc. Here is a picture of the PCB: And here is the firmware from an unused device: tuya_r. Nov 30, 2021 · bk_gpio_config_output - sets the given pin to output mode bk_gpio_output - sets the value for the output of the given pin rtos_init_timer - creates a timer (the function will be automatically called from time to time) rtos_start_timer - the timer starts We just need to know which pin is which - where is GPIO24? Mar 15, 2024 · It was advised to disregard the silkscreen and follow the classic pinout as per Tuya documentation. 0) Do flashowania oczywiście wylutowałem CB2S z TuyaMCU: dump tuya May 4, 2021 · 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 BK7231t Chip. And the Tuya section starts, as usual, at 2023424 Oct 4, 2024 · I recently flashed my Denver SHP 102 Smart Plug using Tuya Cloudcutter without opening it. Any alternative measurement suggestions? Feb 15, 2023 · Here is a detailed guide on how to Open Bekenize/flash the new Tuya chips with OpenBK7231T. Sep 18, 2022 · The discussion revolves around the BK7231N Universal IR Remote Control, focusing on its disassembly, pin configuration, and firmware updates. Users seek guidance on accessing the RX/TX pins for flashing firmware and configuring the device for MQTT/Home Assistant integration. BK7231 has two UART ports - UART2 (sometimes called LOG_UART) and UART1. 116 on Linux Popular Topics BK7252 datasheet, pinout, SDKs, flash map, application schematic, flash tool for read and write Jan 1, 2023 · @lionboy if you have the same device type, you should wait for the implementation for two things: - deep sleep (so batteries won't drain fast). Oct 7, 2024 · The discussion centers around the Mini Smart Switch CR-MINI-N2, which utilizes the BK7231N chip. CB3SE not only supports the Wi-Fi AP and STA modes, but also supports Bluetooth LE. The original firmware version 1. FYI the firmware is too new for Tuya-Cloudcutter. And the Tuya section starts, as usual, at 2023424 Jun 23, 2023 · Cut the RX and TX traces at the Tuya MCU. Apr 4, 2024 · [BK7231N / T34 ] Teardown Tuya Generic Wifi Wall Light Switch 3 Gang Facebook Except different pinout. I flashing the BK7231N with version 1. It consists of a highly integrated RF chip BK7231N and a few peripherals. Users also explored alternative flashing methods like Tuya-Cloudcutter and discussed wiring configurations for momentary switches. CB1S: BK7231N: 2 MiB: 256 KiB: 18 (11 I/O) Dec 28, 2023 · Exploring the Cutesliving TH01 Smart Life Temp & Humidity Sensor with a BK7231N CBU module and AHT30 chip. Perhaps one can’t say better about CBU-IPEX than what’s written in the official documentation, quote: CBU-IPEX is a built-in low-power Wi-Fi module developed by Tuya. 1 - BK7231N / oem_bk7231n_control_switch > Aubess > 16A Mini Smart Switch LED_n 8 Rel 26 Btn 10 TglChanOnTgl 23 If unsure about the choice of a particular board, choose a generic board such as generic-bk7231n-qfn32-tuya. Various options for reflashing are e Feb 9, 2025 · V:BK7231N_1. I looked for an existing thread for this exact device but only found a few users posting pictures of this board. ini: In ESPHome YAML: Flash size: 2 MiB / 2,097,152 B / 0x200000. Initial confusion arose regarding the absence of a template for the new module, particularly concerning GPIO pin assignments and the necessity of deep sleep for . The user successfully flashed the device using Tuya-Cloudcutter with Tuya Generic firmware. Detailed pinout information is provided, indicating the funct Apr 27, 2023 · I've received one in a LSPA9-like smart socket with BL0937 power metering. 10 prevented wireless flashing using Tuya-Convert, prompting the user to opt for a direct flashing method. Sep 1, 2024 · 它由一个高集成度的无线射频芯片 bk7231n 和少量外围器件构成，可以支持 ap 和 sta 双角色连接，并同时支持低功耗蓝牙连接。 产品概述 CB3S 内置运行速度最高可到 120 MHz 的 32-bit MCU，内置 2Mbyte 闪存和 256 KB RAM。 Dec 4, 2022 · I recently got a Tuya Ceiling Light RGBCW with a BK7231N chip. They changed the chip to CB2S (BK7231N)! How to open the plug. The Tuya SMT module should be mounted by the SMT device. Mar 15, 2025 · Voltage 0. Nov 8, 2024 · Tuya Smart Plug with BK7231N chip configuration guide for custom firmware. Module images. The user initially struggled to retrieve sensor values, which were correctly displayed with the original firmware. Select the COM port, click Erase Flash , and then restart the module to start erasing the memory data. Exploring connections and low power management with secondary MCU. Features. 00. ). This module consists of a highly integrated wireless RF chip T34 with built-in Wi-Fi stacks and adequate library functions. The user successfully flashed the firmware but seeks guidance on configuration. It can run in Wi-Fi station mode and access point (AP) mode as well as support connection over Bluetooth Low Energy. having a separate microcontroller (always on, but using sleep mode) and a WiFi module (its power supply activates the MCU when you need to report the status). The UART2 port is used for log viewing only. Ideal for DIY smart home projects. Oct 9, 2024 · CBU is a low-power embedded Wi-Fi module that Tuya has developed. Sep 1, 2023 · I ordered some WiFi universal IR remotes on AliExpress and want to share my experiences from flashing OpenBeken on them. CBLC5 not only supports the AP and STA dual-network-connection manner but supports the Bluetooth LE network connection manner. 1 REG:cpsr spsr r13 r14 SVC:000000D3 00401C1C 000033AC IRQ:000000d2 00000010 00401e0c 719dff1d FIR:000000d1 00000010 00401ffc d9365777 SYS:000000df 0040192c 00000158 ST:00000000 J 0x10000 bk_misc_init_start_type 0 0 prvHeapInit-start addr:0x412de8, size:119320 [Flash]id:0xeb6015 sctrl_sta_ps_init cset:0 0 0 0 [PLATFORM NOTICE]bk_rst:0 tuya_rst:0 [01-01 18:12:15 TUYA Notice][lr Nov 11, 2023 · Device configuration, as extracted from Tuya: - Pair/Toggle All Button on P23 - WiFi LED on P26 - TglChannelToggle (channel 1) on P6 - Relay (channel 1) on P7 Device seems to be using CB2S module, which is using BK7231N. And the Tuya section starts, as usual, at 2023424 Note that there is no red led for monitoring power state. Product overview Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) AFW121T BW12 BW15 CB1S CB2L CB2S CB2S Table of contents Usage Pinout Pin functions Jun 2, 2021 · CB2S is an embedded low-power Wi-Fi module that Tuya has developed. 17. Mar 9, 2023 · After looking, it appears we had other people reporting they also had LSPA9s with BK7231N chips, but we hadn't had a dump. Ideal for compact Wi-Fi and Bluetooth applications. I’m hoping to get it running some form of ESPHome and talking to HA. Overview I’m trying to dump the firmware from this bk7231n but the pinout doesn’t appear to match those I’ve found online. p. Also see: UPK2ESPHome; Sources: tuya_demo_light_pwm for Lights/bulbs; Original post by @blakadder on Discord channel #resources Generic - BK7231N (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) AFW121T BW12 BW15 CB1S CB2L CB2S CB3L CB3S CB3SE Sep 1, 2024 · Production instructions. Jun 2, 2021 · CB3L is an embedded low-power Wi-Fi module that Tuya has developed. No color control yet, only 2700-6500K. And the Tuya section starts, as usual, at 2023424 I recently bought a few of 'Tuya WiFi Temperature and Humidity Sensor'. Select the Manufacturer/Device Name if your device is listed. Feb 24, 2024 · The discussion focuses on flashing a Tuya smart plug equipped with a CB2S module and BK7231N chip. 4 GHz 802. BK7231N, XR809, BL602, W800, W600 Participants share insights on Exploring firmware compatibility for Tuya modules with ESP8266/ESP8285, including AXY and CB series, and OpenBeken alternatives. . Dec 4, 2022 · The discussion revolves around a Tuya Smart Life LED Wireless Controller, identified as using the BK7231N/CB3S module. CB3S not only supports the Wi-Fi AP and STA modes but also supports the Bluetooth LE. Schematic diagram and core pinout (ESP32) controller: Tuya CBU-IPEX. 3. Here I will present the short teardown and OpenBK7231 programming procedure for another Tuya relay, which this time turned out to have a rather unusual CB2S module inside, based on the BK7231N chip (not to be confused with the BK7231T). Jan 15, 2023 · In other words, you can make a very, very advanced device from the ESP32 Tuya IoT adapter. Maybe I’m confusing myself by reading the silkscreen on the green PCB but any help would be appreciated. Dec 14, 2024 · Tuya Wifi PIR Motion Sensor with BK7231N chip shows no GPIO I/O response after flashing OpenBeken. Did not work: Powered the device (TH01 from this thread). 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. 15. 38. It might be possible to to temporarily cut the traces to the BL0942 so the whole module doesn't have to be removed. I have renamed the prior BK7231T to include it's version (1. The user shares their experience with the device, including challenges accessing the TX/RX pins for debugging, as only VCC and GND Jan 30, 2024 · [BK7231N / CB3S] Tuya Smart Life Garage Door Motor Receiver 4CH Switch Controller WiFi Switch 13 Dec 2023 21:30 (23) The discussion revolves around the Tuya Smart Life Garage Door Motor Receiver (model CB3S) and its configuration using JSON. framework ( Optional ): Options for the underlying framework used by ESPHome. I got a USB>Serial adapter rigged up and read this info using Jun 14, 2024 · CB2S-J module is a Wi-Fi and Bluetooth Low Energy (LE) combo module developed by Tuya Smart. And May 19, 2023 · Pinout of the module: Because the BL0942 chip is connected to TXD/RXD of the BK7231N, the module has to be removed from the board before it can be programmed. Successful scripting for the dimmer was shared, including event handlers for button actions. Here's a basic FL_M99 pinout and flashing guide. 3V via some own LDO (I used TC1264-3. Seeking easier pin identification methods. Built-in low-power 32-bit CPU, 256 kbit RAM, and 2 MB flash. Need to install ESPHome on your BK7231 Beken Tuya chips via serial flash? Here's how step by step including how to read the chip. Users discuss the pinout for the BL0942 energy measurement chip, troubleshooting issues related to device connections, and the importance of proper voltage handling to avoid damage. Sep 29, 2022 · OpenBK7231T/OpenBeken is a Tasmota/Esphome replacement for new Tuya modules featuring MQTT and Home Assistant compatibility. Nov 5, 2023 · Some of new Tuya IoT devices are based on FL_M99_V1/FL_M99_V2/FL_M99_V3 modules, which are using BK7231N/BL2028N WiFi 2. kaczmarek2 p. Now that ESPHome natively supports BK72XX microcontrollers, you can also put ESPHome directly onto the device. 000 A Power 0. Overview. 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 XR3) Nov 16, 2022 · Hi, have a Smart Lite Wifi 3gang switch type DS-101. Product overview Tuya-cloudcutter is a tool that allows you to flash BK7231 via WiFi, just like tuya-convert allowed to do it with ESP8266. Product overview Jun 23, 2024 · The low-power Wi-Fi CBU module developed by Tuya is composed of a highly integrated radio-frequency identification (RFID) chip BK7231N and a few peripheral components. 11n and BLE 4. I’ll then be flashing it with ESPHome libre-tiny. I picked up a few of these switches on sale for only a few dollars each, found that each of them are slightly different internally, despite looking almost exactly the same on the outside. This tool can automatically download latest firmware (on user request) and then do a full BK backup and then write new flash cycle. 1, its Realtek system, and custom firmware capabilities. Product overview Jan 21, 2023 · Szukam informacji o SoC WiFi i Bluetooth BK7231/BK7231T/BK7231N, używanych w inteligentnych urządzeniach Tuya Smart. Can somebody telling me how to configurated, try many but can't find the right configuration for the device. RF design. --updated-- Pin setting is quiet tricky because T34 and BK7231N have completely different pinouts. It uses WB3S - WB3S Module Datasheet-Tuya … May 13, 2023 · I don't even know which one is from which seller. In this guide I am using an Australian DETA 6922HA-Series 2 Double Power Wall outlet. It can work with functional boards or circuit boards to implement specific features. The BK7231N chip is confirmed to be in use, with suggestions for using specific software tools like BK7231GUIFlashTool and uartprogram for firmware management. 00 Energy Total 0. 2. Jun 13, 2024 · CBLC5 is a low-power embedded Wi-Fi module that Tuya has developed. CB3L not only supports the Wi-Fi AP and STA modes, but also supports the Bluetooth LE. json This profile worked for my LSC Smart Plug! I flashed it with a custom firmware (ESPHome port on LibreTuya), the pinout seems to be the same as in the original profile for this plug. Insights on PCB TH01Y-CBU_V1. {"success":false,"errorCode":"MOVED_PERMANENTLY","errorMsg":"MOVED_PERMANENTLY"} Apr 20, 2022 · Uploading your own firmware - OpenBK7231N - part 1 Same as in the previous topics in the series: LED WiFi RGBCW Tuya - teardown, BK7231N, programming with my Tasmota replacement Garden Tuya CCWFIO232PK Double Relay - BK7231T - Programming Qiachip Smart Switch - BK7231N / CB2S - interior, programming Soldering cables to RX / TX and CEN (aka BK7231N (eg CB2S, CB2L, WB2L_M1) BK7231M, this is a non-Tuya version of BK7231N with 00000000 keys, sometimes labelled as Belon BL2028. After being unpacked, it should be soldered within 24 hours. 3V/220 mA and the peak current limit of ≥ 400 mA. Select Option #2 - Flash 3rd Party Firmware. 3: Flashing OpenBK7231T_App 1. Here are some pinouts for configuration and other hints: TUYA Home Smart Life Mini Universal IR Remote S06 (BK7231T) [WB3S] Button: GPIOP_6 IR RX: GPIOP_8 WiFi LED: GPIOP_9 IR TX: GPIOP_26 TUYA Home Smart Life Mini Universal IR Remote S18 (BK7231N) [CB3S] Button: GPIOP_6 IR Can be cloudcut using tuya-cloudcutter; GPIO Pinout 1-Gang Version. Hex values are in bytes. Bootloader and app partitions contain CRC16 sums every 32 bytes. Mar 9, 2024 · The discussion revolves around flashing a Tuya-based smart socket, identified as ATMT Smart Socket EU Mini, which utilizes the CB2S module with a BK7231N chip. version ( Optional , string): The LibreTiny version number to use, from LibreTiny platform releases . Let's start by looking at 'classic' TYWE2S, as per Tuya docs: Pinout: Dec 7, 2022 · So I tried using another profile for a BK7231N plug: oem-bk7231n-plug-1. The UART1 port is used for flashing (and external components, such as TuyaMCU) and has no text output. Jul 27, 2024 · The discussion revolves around issues faced by a user after switching the firmware of a Tuya Smart Air Box Air Quality Monitor (model CB3S with BK7231N chip) to OpenBeken. BK7231 usually comes in form of modules which are pin to pin compatible with ESP modules (TYWE2S, TYWE3S, ESP12, etc. 2 full feature comb chip with multi-media feature. Gdzie znajdę szczegółowe informacje? Apr 4, 2023 · The discussion revolves around the DIY Mini Smart Switch model SS8839-16A-W from UNSH, which utilizes the BK7231N chip. Product overview Jun 13, 2024 · [BK7231N / T34 ] Teardown Tuya Generic Wifi Wall Light Switch 3 Gang Facebook Messenger X (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) Aug 28, 2023 · Change to the tuya-cloudcutter folder if necessary with cd tuya-cloudcutter. 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). Jan 24, 2023 · The discussion revolves around the Aubess Mini Smart Switch 16A, which utilizes the BK7231N chip and features a custom PCB instead of a Tuya module. Flashed actual BK7231N bin with Windows flasher (had many problems but got it flashed on 2 different devices). 2. Explore the new WB2S/CB2S solderless converter for flashing Tuya BK7231N modules, compatible with ESP12. 00 var Power Factor 1. May 16, 2023 · Here I will present an in-depth analysis and reverse engineering of the Tuya battery temperature/humidity sensor implemented on the basis of the TuyaMCU protocol, i. Interesują mnie arkusze danych, pinout, sposób programowania i specyfikacja. 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. Run Tuya-Cloudcutter (might take some additional time on the initial run to build the application container) sudo . Dec 1, 2023 · The discussion revolves around issues related to flashing the Tuya Single Phase Energy Meter 6 In 1, which utilizes a CBU chip based on the BK7231N. Inkbird IBS-TH3 wifi -tuya-chip. May 18, 2023 · [BK7231N / CBU] Tuya S06 IR Blaster S06_CBU_V1. BK7231 can be found in smart sockets, smart LED bulbs, smart switches, etc. 00 W Apparent Power 0. Jan 10, 2023 · [BK7231N / CB3S] Aubess Tuya Wifi Smart Touch Switch 4 Gang W/ Neutral Facebook Messenger X (BK7231N, CBU Module) Pinout & JSON Config 15 May 2025 15:46 (2) Dec 1, 2023 · [BK7231N/T34] BK7231N T34 Tuya 2-Gang WiFi RF Switch: Config Location and Firmware Backup Query 24 Apr 2025 21:30 (1) Some time ago I bought an unbranded Tuya 2 gang switch from aliexpress and recently got around to playing with it. Users share experiences related to flashing the device with OpenBeken firmware using tuya-cloudcutter and discuss various pin configurations for different versions of the switch. 3. A response suggests using the `tuyaMcu_setupLED` co Device configuration, as extracted from Tuya: - Button (channel 1) on P24 - WiFi LED on P22 - Relay (channel 2) on P8 - Relay (channel 1) on P6 - Relay (channel 3) on P9 - Relay (channel 4) on P26 - Button (channel 4) on P14 - Button (channel 3) on P7 - Button (channel 2) on P20 Device seems to be using CB3S module, which is using BK7231N. BK7231N is a bit newer and has more advanced support in OpenBeken (deep sleep and WS2812B), so it was our primary focus. Discuss GPIO differences and community support for setup and reprogramming. Sep 22, 2023 · The discussion revolves around the integration of the BK7231N chip in the Tuya Smart DIN-rail Energy Meter TAC2121C with Home Assistant. Sold by Bunnings Warehouse this is a AU/NZ standard wall Low voltage spotlight based on the Beken BK7231N module. 1-40. Enter 0x001EE000 in start address and 0x00012000 in operation length . 0 has the same pinout as the TYWE2S, with a minor layout change with the GPIO pins. Product overview Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) AFW121T BW12 BW15 CB1S CB2L CB2S CB3L CB3S CB3S Table of contents Usage Pinout Note: It is recommended to select a power supply with a steady-state power of ≥ 3. kaczmarek2. It supports a dual connection of AP and station as well as a Bluetooth connection. 000 kWh (changes sent 0, skipped 2068, saved 5) - BL0937 Energy Clear Date: 2025-03-15 17:07:52 NTP driver is not started, daily energy stats disabled. Which just have one issue with settings not saved after quick restart, should get fixed soon. #36 21041261 11 Apr 2024 12:00. This module is still very easy to flash, you just need to know the GPIO mapping, which I will show below. Jan 10, 2024 · LN882H block diagram and pinout Here is LN882H diagram: QFN32 pinout: QFN24 pinout: QFN40 pinout: GPIO table: LN882H has 12 or 20 GPIOs: - Two group IOs GPIOA and GPIOB, which are separately configurable - Configurable hardware and software control for each signal - Configurable interrupt mode for Port A, debounce logic is used to generate Dec 4, 2023 · TYWE3S is a module very similar to ESP12. Users share experiences regarding purchasing, flashing firmware, and troubleshooting issues related t Jun 18, 2024 · CBU: Select BK7231N from the Flashing Object drop-down list. Users share experiences with flashing the device, configuring IR send/receive functionalities, and troubleshooting issues related to IR protocols, particularly for various remote controls including air May 4, 2023 · Exploring my CBU/BK7231N and SH4/CMTOV30 Wi-Fi IR+RF Remote Control S11 issues after an Amazon purchase. It uses WB3S - WB3S Module Datasheet-Tuya … Sep 1, 2024 · CB3SE is an embedded low-power Wi-Fi module that Tuya has developed. They all look identical on the outside 4 variants in total: First one: Patched firmware 1. Product overview The discussion revolves around configuring a Tuya WB5 LED controller using the OpenBK7231T firmware on a BK7231N chip. [BK7231N CB2S Aug 10, 2023 · Here is a detailed guide on how to Open Bekenize/flash the new Tuya chips with OpenBK7231T. 8 Easy to use, GUI, BK7231T/BK7231N flash tool and GPIO config extractor for beginners. The user shares pinout details extracted from the device, including connections for the BL Aug 20, 2023 · Weiterführende Informationen sind in den englisch sprachigen Forum BK7231 datasheet, pinout, programming, specification, wiki (BK7231T, BK7231N) zu finden. I’ve found the pins that the IR LEDs and receiver are physically connected to. Users share insights on tearing down the device, flashing it with OpenBK7231T firmware, and integrating it with Home Assistant for automation, such as shutting off water in case of leaks. The user highlights the device's affordability at 3 EUR and notes its unique design, allowing easy access to the internals via plastic lockers. Jan 21, 2023 · BK7231T/BK7231N is a popular WiFi & Bluetooth SoC used widely in Tuya Smart products. zip Download (1002. It consists of a highly integrated RF chip (BK7231N), a few peripherals, an embedded Wi-Fi network protocol stack, and rich library functions. 17) i TuyaMCU HT66F3195 (MCU fw v 2. 3), because 5V would damage the WiFi module and connect the UART converter to the TX and RX pins of the BK7231N. Users share experiences regarding purchasing, flashing firmware, and troubleshooting issues related to pin configurations and relay functionality. Device configuration (user_param_key) can be extracted to JSON, using bk7231tools from a full firmware dump. framework: version Dec 29, 2022 · The discussion revolves around the Tuya Smart Valve Controller, specifically the model featuring the WB3S chip. Apr 20, 2025 · BK7252 Wi-Fi and BLE combo chip datasheet, pinout, SDKs, flash map, application schematic, and flash tool details for audio/video applications and device integration Jul 6, 2022 · Here is a detailed guide on how to Open Bekenize/flash the new Tuya chips with OpenBK7231T. Feb 19, 2025 · [BK7231N CB2S] Moes 2CH Dimmer WIFI Tuya - WM-105B-M openBeken Tasmota 15 May 2025 13:09 ( 0 ) Podmiana z Tuya na OpenBeken i Tasmota w MOES 2CH WiFi WM-105B-M WIFI prawdopodobnie mniejszy brat WM-105B W środku CB2S (Tuya fwv. Explore the Nous Smart WiFi Bulb P8 RGBCW's programming, configuration, and technical specs, including its BK7231N module and BP5758 driver. Generic - BK7231N (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) AFW121T BW12 BW15 CB1S CB2L CB2S CB3L CB3S CB3SE TCL 40-MT21X7 Power Board 283N20 PWM IC Pinout: Pin 4 GND, Pin 6 NC/Protection, PC817 Opto Details Feit Onesync Lighting: Issues with Tuya BK7231N Wi-Fi Bridge Jan 9, 2025 · Step-by-step guide for flashing W701-VA2-CG and other Tuya modules using AmebaZ2 PG Tool. CB2L not only supports the Wi-Fi AP and STA modes, but also supports Bluetooth LE. 72 kB) Tuya JSON: Sep 1, 2024 · cbu 是由杭州涂鸦信息技术有限公司开发的一款低功耗嵌入式 wi-fi 模组。它由一个高集成度的无线射频芯片 bk7231n 和少量外围器件构成，可以. That results in the actual flash offsets/sizes not aligned to sector boundaries. I shared the pinout details and calibration process, but I'm concerned about the high internal temperature readings. 1. Mar 28, 2023 · Different config also Used tuya-cloudcutter to flash OpenBK (didn't even set up in SmartLife app - just went straight to cloudcutter) These cloudcutter settings allowed the exploit > By firmware version and name > 1. Nov 15, 2023 · The discussion revolves around the integration of the BK7231N chip in the Tuya Smart DIN-rail Energy Meter TAC2121C with Home Assistant. Current "powerSave" command will not be enough for that - SHT30 support I will try looking into that soon, but so far all the sensors I had were a TuyaMCU one - TuyaMCU sensor is a device with a WiFi module and extra microcontroller, that extra mcu is Generic - BK7231N (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) AFW121T BW12 BW15 CB1S CB2L CB2S CB3L CB3S CB3SE Jun 13, 2024 · T34 module is a Wi-Fi and Bluetooth Low Energy (LE) combo module developed by Tuya Smart. Resoldered the cut RX and TX traces at the Tuya MCU. Generic - BK7231N (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Table of contents Usage Pin functions Flash memory map Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) Device configuration, as extracted from Tuya: - Relay (channel 3) on P14 - Relay (channel 4) on P9 - Pair/Toggle All Pin on P26 - WiFi LED on P23 - Relay (channel 2) on P8 - Relay (channel 5) on P24 - Relay (channel 1) on P7 Device seems to be using CB3S module, which is using BK7231N. Otherwise, it should be put into the drying cupboard where the RH is not greater than 10%; or it needs to be packaged under vacuum again and the exposure time needs to be recorded (the total exposure time cannot exceed 168 hours). Generic - BK7231N (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Tuya Pinout Config Beken Flash Chip List Table of Generic - BK7231N (Tuya QFN32) Generic - BK7231T (Tuya QFN32) Generic - BK7252 Generic - RTL8710BN (2M/468k) Generic - RTL8710BN (2M/788k) Generic - RTL8710BX (4M/980k) Generic - RTL8720CF (2M/992k) AFW121T BW12 BW15 CB1S CB2L CB2S CB3L CB3S CB3SE Sep 29, 2023 · The discussion revolves around flashing firmware onto the WD-01ADE Tuya water pump, which utilizes the BK7231N chip. BK7231U is a 2. Dedicated for Windows platform, but works on Linux with Mono. Overview Jul 5, 2023 · The discussion revolves around connecting and configuring a Tuya door and window sensor equipped with a BK7231N chip without using TuyaMCU. 3) and added this one as a Tuya Generic LSPA9 Plug v1. Sep 6, 2023 · Hello, I would like to present teardown and my user experience of this module: Tuya Light + PIR Motion Sensor (FH_PIR_400A) --> AliExpress-Link First, some photos of package and content: Pry to open carefully under reset button, then insert some flat tool to separate the two halves of housing by stretching the gap: Now have a look at parts and module: We have a very similar module in this post Mar 21, 2024 · It's different in that both the tuya MCU and the BK7231N are on the same PCB, so I wasn't able to program it without removing the WB3S module. You need to find which pins correspond to UART1 TX and RX. 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 Dec 10, 2023 · The discussion revolves around flashing firmware on a Mini Smart Switch equipped with a BK7231N chip. It uses WB3S - WB3S Module Datasheet-Tuya … Dec 8, 2019 · On the website of the chip manufacturer, on the main page their main chipset are listed. Tuya Pinout Config. The user experienced difficulties in flashing the device to integrate it with ESPHome, leading to inq Apr 19, 2024 · Exploring the Tuya PIR Motion Sensor (model CB3S) featuring a TuyaMCU and BK7231N. Mar 11, 2023 · The discussion revolves around configuring the Tuya/SmartLife Alarm PIR Motion Sensor (CT61W) with the CB3S (BK7231N) module after the user successfully installed OpenBeken software. 10 (Tuya-Cloudcutter won't work) Device configuration, as extracted from Tuya: - Pair/Toggle All Pin on P8 - WiFi LED on P6 - TglChannelToggle (channel 1) on P14 - Relay (channel 1) on P15 Device seems to be using CBU module, which is using BK7231N. [BK7231N/T34] BK7231N T34 Tuya 2-Gang WiFi RF Switch: Config Location and Firmware Backup Query 24 Apr 2025 21:30 (1) Some time ago I bought an unbranded Tuya 2 gang switch from aliexpress and recently got around to playing with it. The pin Mar 19, 2025 · Explore the T34 chip's pinout, dimensions, and flashing capabilities with BK7231N firmware. Actually replaced it with a CB3S, I had programmed with open becken already - So I am able to make a backup of the flash, if someone can instruct me on how to. It uses WB3S - WB3S Module Datasheet-Tuya IoT Development Platform-Tuya Developer. We've been recently looking for a way to buy brand new Tuya modules, especially CB3S/CB2S (BK7231N) and WB2S (BK7231T). Users share various methods for opening the device, including using a rubber mallet and a Mar 5, 2024 · I hope someone can point me in the right direction please. CB2S not only supports the Wi-Fi AP and STA modes, but also supports the Bluetooth LE. It can be converted using tuya-cloudcutter, but if you are flashing more than one device, you need to re-download the firmware image for each sub sequential device. (they clearly labelled though). Oct 15, 2024 · The Tuya Sandwich Wi-Fi and Bluetooth LE combo SoC NANO has BK7231N chip as a microcontroller, which is designed to help you easily prototype your IoT ideas. (BK7231N, CBU Module) Pinout Sep 1, 2024 · CBU-NL is a low-power embedded Wi-Fi module that Tuya has developed. Ideal for seamless integration without soldering. Here I will attach the full pinout and mapping of this module. Nov 30, 2022 · Hey, I have recently managed to get a CB3S (BK7231N) Garage Door Sensor working with HA. kkcmy svperlh vym ouefqmmt bggvka ewwj jgpbvgf koey zvaiai oqbzv