Articles

Today I invite you to a brief analysis of the interior of a rather expensive product - a room thermostat with touch buttons and LED temperature display, also offering control via WiFi. This product can be found in stores under the model name KHY609 or HY609-WE, it is available in... [Read more]

I have bought a device named Mini Smart Breaker RMW002. BL602L20 microcontroller inside. Board SM-028. Flash it with OpenBL602_1.17.282 from: Working profile here: { "vendor": "Noname", "bDetailed": "0", "name": "Mini Smart Breaker", "model": "RMW002", "chip": "BL602L20", "board":... [Read more]

This is a quick teardown of the Anwio AN-G250-1XD W 120V Y 4.9W 72mA 120VAC @ 60Hz 2700K-6500K 23/22K @ 350 Lumens. I picked these up in a 2-pack on Amazon (ASIN B08TGZ5F92) for $8.69 USD. I sacrificed one for the teardown, and I don't suggest attempting to open this if you have any... [Read more]

This is a firmware flashing guide for: [2023 Upgraded] Smart Light Bulbs (Pack of 4), 3Stone 100W Equivalent WiFi LED Color Changing Bulb Dimmable 2700K-6500K RGBCW, Works with Alexa, Google Home 2.4Ghz Only, A21 10W E26 Tunable White No Hub Bought from: Screenshots: Product ASIN B07HR8GT12... [Read more]

I have a "Smart Wall Light" with * Wifi * 5CH RGB+CCT Tuya_App Informatik: Main&MCU v1.1.8 After flashing with OpenBeken, no function. Profile: Tuya Generic - Smart Wall Light v1. 1.8 I disassembled a lot of the Lamp. I found a 1x BK7231N 8x 5in1 CH RGB+CCT (all parallel connected)... [Read more]

Here I will show you how you can script the behaviour of TuyaMCU BK7231N relay flashed with OpenBeken firmware. In this topic I will cover a creation of scripts, mapping TuyaMCU variables to OpenBeken channels, displaying them, creation of custom HTTP buttons and setup of a custom... [Read more]

Discover modern light with the Govee brand - Innovative lighting, that will give your home a new dimension Govee is a brand, that is gaining recognition in the world of smart lighting solutions. Their innovative products, such as smart LED strips, bulbs and lamps, not only provide... [Read more]

I got 2 of these 3-way switches from AliExpress . These switches came with a WR2E Module. At first, I thought this module had a BK chip, so I spent some time trying to get a firmware dump but was not successful. So, instead of wasting more time, I put ESP-02S aka "TYWE2S" instead... [Read more]

Hello everyone, in this topic I'll explain to you, how you can flash OpenBeken (a.k.a. OpenBK7231T) to a LEDVANCE Smart+ (a.k.a. Smart WiFi Plug AC28208) . Personally I would estimate, that the difficulty of flashing OpenBeken to this device is rather high compared to other smart... [Read more]

Here I will show you how to send measurements (temperature and humidity) from TuyaMCU battery-powered sensor to arbitrary HTTP server via GET request. Following implementation will work independently from Home Assistant and will allow you to create fully customizable data logger.... [Read more]

It's time to take a look at the interior of the quite popular, classic Sonoff module with dimensions that fit a typical electrical box. Sonoff Mini R2 is quite cheap - you can buy it for only PLN 30 in our country. Additionally, you can easily change the firmware, although you... [Read more]

Recently, a reader sent a rather unusual Sonoff door opening sensor. This sensor is built on a WiFi microcontroller, which we have not yet discussed on the forum. Here I will present its interior, backup it's Flash memory via SPI and consider the potential of changing the firmware... [Read more]

Good afternoon. Recently bought a small amount of WiFi switch for about 1.4 eur. It is clearly seen that on - exactly the same boxes and the layout of the board, only the color of the board is light yellow. The build and soldering quality is disgusting :) Disassembly showed that they... [Read more]

. Today another short presentation of an old Polish monophonic radio, this time Unitra Sudety R-208 produced by Dior from the years ca. 1987-1990. This radio offers AM and FM reception and sound recording to an external tape recorder, supports the ranges of long wave (148.5-283.5... [Read more]

This is a short teardown of US type Generic Tuya Touch Wall Switch (With Neutral) with CB3S module. Basic information: Brand: Shawader (Tuya based) Model: WiFi Touch Switch & Dimmer WiFi Touch Switch Chip: BK7231N [CB3S] Local Vendor: These switches look a lot like Makegood switches.... [Read more]

I recently bought a WiFi Shutter Controller from Maxcio and didn't want to use their app since I have a FHEM Server. There are Tasmota Infos on the internet but they are outdated. The current version sold supports percentage setting and works just great. I am new here so sorry if... [Read more]

My first hack on this device is the possibility of using pins 6 and 7 to include functions on this device. It's very simple to do and all you need is a wire and a pin terminal to do it. With it, I will start to put other sensors to it. Last Topic with photos before the hack. The new... [Read more]

Here I will show you how to access the hardware MOSI pin, P16, on a common Tuya CB2S BK7231N module. The MOSI pin can be used for hardware SPI communication and also for driving individually addressable LEDs like WS2812 or SM16703, but it's not available on CB2S pads. We will have... [Read more]

I purchased the ANDOWL Q-DL52 Tuya Smart 63Amp WiFi Circuit Breaker. But this seems to be sold under many brands. Here is a model that looks physically identical from Aliexpress. (The Aliexpress model appears to have power metering capabilities, but I am not sure if my model does.... [Read more]

. Here I show the inside and the process of changing the firmware of a clever water/gas valve overlay that allows such a valve to be controlled via WiFi. This controller is commercially available under the name Jinvoo SM-AW713, although distributors often also give it their own designations... [Read more]

Some of TuyaMCU switches and relay controllers allow user to set the initial relay state after power on; the initial relay state can be on (contact closed), off (contact open) or memory (retains previous state from before power loss). Usually this setting is configurable via certain... [Read more]

With the popularisation of Smart Home solutions, selecting the right devices is of paramount importance. Aqara presented a range of low-cost and high-performance gadgets that will fill every nook and cranny and meet every smart home need. It is worth mentioning that Aqara is a long-standing... [Read more]

Hello. As we know, people are divided into two types. Those who will do backups and those who already do. I belong to the latter group. For this purpose, I found a use for an HP Elite 8300 SFF office computer. The whole thing works with urBackup as software. In order to fit up to... [Read more]

BK7231GUIFlashTool allows you to configure OpenBeken at the flash time - there is no need for Open Access Point configuration, everything can be done on your PC. Here I will show you how to do it step by step. Why? The usual BK7231 flashing and configuration process is similar to... [Read more]

Some time ago I presented a "single" version this product , today I am adding information about the "double" version. As before - first a description of the interior, and then changing the firmware of the WiFi module, so as to free the product from the cloud, from the manufacturer's... [Read more]

Today we are discussing another LED strip controller from a Polish auction site. This time the RGB version, i.e. intended for colorful LEDs. The controller is intended for the OpenLit mobile application, but we will flash it with Tasmota, as we usually do, in order to free it from... [Read more]

. I would like to invite you to another topic about an old Polish radio receiver, this time about a Ludwik from the 1970s, characterised by a large rocker On/Off button on the right side of the front of the case. This receiver allows you to listen to four ranges, standard long wave,... [Read more]

Hello again! It's been a while since I last posted. Found this ultra-cheap house plant water pump from China and I was pretty determined to make it work with open source firmware, whatever is inside. Turns out there's a CB3S inside along with some unlabeled custom MCU in a SOP16 package.... [Read more]

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... [Read more]

Hello all, After searching the database , I think this is the first post for this device. It seems to be a newer version of others already described here. I like the display design, also with backlighting, and that it is battery powered (3xAAA - 4.5V, probably easy to convert to LiPo).... [Read more]