Tasmota devices

When used on your PC it means 'the PC'. x. You can customize your build with various features, settings and scripts, and integrate it with home automation solutions. To enable some of the features you have to compile your own binary. To use this source, decode-config must have access to the network on which Tasmota is running, Tasmota Webserver running in admin mode (WebServer 2) is mandatory. !!! Manual configuration by editing configuration. Feb 8, 2023 · You can interact with Tasmota using Amazon Alexa through your Echo device. No-Brand Smart Plug with Tuya-based ESP8266MOD and ESP-12F modules. bin enables many features as tasmota. Certain supported Tasmota BASE devices have built-in code to handle MCU controlled devices. Device Groups not working as expected. x version of software. Apr 28, 2019 · This guide will guide explain how to use and integrate your Tasmota devices (like Sonoffs, Shellys, etc. Flash Tasmota using Tasmotizer. Enter the command DevGroupName on all devices in the group and make sure the result for device group 1 is the exact same (case-sensitive) name on all devices. To make the device work nicely, change the following settings in the Console: adcparam3 6,0,4095,0,6160. Check the log in the web UI Console to see if the device's time is set correctly. 6 = Wi-Fi parameters can only be entered via commands in the If you are using a device other than the ESP32-CAM, you can choose the option “Tasmota (english)” (which is usually selected by default) and then hit the “CONNECT” button. Managing this many switches is laborious one-by-one. To do so, simply navigate to Configuration and select Backup Configuration to download a . This can be done on any variant as it doesn't change the code base, memory footprint or required libraries. Configure your smart to work with Tasmota open source firmware. Upgrading firmware to the most recent version partly breaks functionality of physical controls on switch, adding annoyance to button controls. ’. Features~. On the WebUI Configuration – Miscellaneous Configuration page, select the emulation type. clean, readable interface Feb 8, 2023 · As devices became more complex, it was helpful to find easier ways for users to configure their devices with one click, such as template information, ethernet configuration, SetOptions, and berry drivers. the other 1 contains 2 Sonoff T1 1CH devices. The following diagram shows the device Jan 19, 2022 · Scenario 2: The IoT device can be pre installed with software from the vendor that is selling it. 👍 1. GLD302HA. If everything went fine, put back the PCB in its enclosure. h, and/or in the device's MQTT Configuration web page. Provide a host name or an IP address for your Mosquitto server in MqttInfo:Server. 99 Get it as soon as Monday, Apr 22 About using the I²C bus: the maximum allowable I²C bus capacitance is 400 pF, the bus length does NOT matter. the device name in HA would be "Gosund Light Switch" and the Friendly name could be "Landing". from there including older versions. Aug 9, 2023 · SSDP for device management. Expand Sonoff 4CH with a jack plug. However, more often than not, this takes time, knowledge about electronics, and soldering very small components. I have a bunch of Tasmota devices working already using the “MQTT discovery”. Also beware that mosquitto V2 do not listen by Aug 1, 2021 · Hello, I have followed Home Assistant - Tasmota page and set up the Tasmota integration in my HA (2021. Tasmota's web user interface is a practical way to control and manage your tasmotized device. Each Tasmota device needs to be configured with the host name of the server. 127. May 28, 2018 · Mainly, TasmoAdmin is an administrative tool for Tasmota's devices, so you can upload new firmware to all your devices, set some configurations, etc. and I would think this might be a network issue, but if that would be the case the first group wouldn't work either Tasmota Device Groups for ESPHome This repository is for an external component for ESPHome to add (limited) Tasmota device groups compatibility. There are two elements to setting the time: 1. Belkin WeMo Emulation. Cut power from the device completely for 30 seconds. (A clean restart is OK, but a hard HA crash appears to cause the issue. autodiscovery of Tasmota devices (even if they use custom FullTopics) module, GPIO and template configuration. 5mm jack to use with the Sonoff TH. etc. or find help if no device found. 4. ESP32 Based Devices. Tasmota and Tasmotizer Easy Flashing Guide for ESP8266 devices. Tasmota easily integrates with many home automation solutions reporting status and sensor data and allowing complete control. Apr 15, 2020 · Tasmota is a very clever little bit of software that runs on smart home devices, which use the ESP WiFi chip. 651×569 33. If you did not erase flash when you flashed your device, an updated version of Tasmota may be accessing areas with values left over from the old Tasmota or even the original factory firmware. Rule for Joystick to dim the display: on analog#joy2=1 do dimmer - endon on analog#joy2=2 do dimmer + endon. Introduction. Use Belkin WeMo for devices with a single relay and Hue Bridge for devices or lamps with more than one relay. This makes the configuration and adding of devices painless . JSON messages with multiple information are automatically splitted into separate readings. Tasmota contains myriad features and supported peripherals (sensors, controllers and similar). Having installed Domoticz. This reduces the required CPU cycles in order to reduce power draw to allow devices with a weak power supply to run reliably. It also cleanly displays if your device Sonoff sensors with 2. To configure Domoticz and Tasmota, you must follow the procedure given below: Prerequisites: The following servers must be available: Having installed/accessed an MQTT broker server and established a connection with the Tasmota device. Tasmota Devices It supports more than 2000 ESP (ESP8266, ESP8285, ESP32, etc) WiFi devices - switches, lights (CCT, RGB, RGBW), dimmers, relays, plugs, power strips, sockets, wall outlets May 21, 2018 · A new option comes with a PR that was merged last night. May 20, 2021 · I have an issue where if my Home Assistant docker container crashes, all of my Tasmota devices show up as "Unavailable". ;)) Whilst Im trying to minimize my network dependence on 3rd party internet services and convert my growing list of wifi “smart”It devices it seems that we need a way to convert a voice command to an mqtt setting which Tasmota supports. Sonoff sells 3 sensors with 2. Download binaries from: Official OTA Server:~ Apr 7, 2021 · The final requirement is to execute one command in your Tasmota console to configure the native discovery. If you flashed a precompiled binary you can reconfigure the device Video tutorials. . DEPRECATED - PLEASE USE MQTT2_DEVICE INSTEAD. Install Tasmota. Save settings, start brooker. Wait a few seconds for the readings to stabilize. Apr 18, 2023 · How to Set up a TASMOTA device on Homey First, via Homey APP, install MQTT Broker MQTT Client Tasmota MQTT Then, go to Homey Developer Tools Go to App settings Select MQTT Broker Enter port 1883 Enter a userid and password, this would be used on several other places later. I'm using the Tasmota Home Assistant native integration with Tasmota versions v9. When used on Tasmota, it means 'that device'. rules editor with Var/Mem/Ruletimer monitor. Specify the hostname, IP o or http-url of the Tasmota device. HASS Mosquitto broker Add-In, MQTT integration, Tasmota Integration Mosquitto broker Add-In The recommended way to configure uses is shown on the Add-On Documentation tab - e. I don’t. Power the ZBBridge over regular USB. autodiscovery of Tasmota devices (even if they use custom FullTopics) module, GPIO and template configuration; rules editor with Var/Mem/Ruletimer monitor; easy to read detachable telemetry viewers (working in active and passive mode) relay, color and PWM control Tasmota Device Templates Repository This is an official repository of templates for devices that are flashable with Tasmota . The output of Status 0 tells nothing about I2CDriver configuration, that would need to be a separate command. The latest development release includes the DevGroupSend command that lets you send updates to a device group from a command. yaml - recommended for marginal use cases, e. Can be extended with a Sonoff 5m sensor extension cable. ) with Google Assistant. 9), on/off, and dimming is supported. Sonoff Basic as UK Light Switch. yml file in the application directory. Download the CloudFormation template TasmotaAuth and use it in AWS CloudFormation. My Mosquitto (MQTT broker) is correctly configured and working. Feb 8, 2023 · The Tasmota device state may get out of sync with Home Assistant if you restart the MQTT broker or Home Assistant, or if WiFi is disabled. Upload tasmota-minimal. Example: HomeAssistant, Domoticz, OpenHab, etc. Installation tutorial of Tasmota using PlatformIO made by QuickPi. Sonoff TH Sensor Si7021 2. New versions add (or remove) features that use various regions of that memory. All Tasmota devices will be listed in their own Tasmota card in Configuration Tasmota is an open-source firmware created by Theo Arends for smart home devices using the ESP wifi chip. Dec 21, 2020 · Open the ZBBridge device to access the PCB. 3. Jan 20, 2022 · Device Groups not working as expected #14533. Tip. Made with. Official OTA Server: Download. You can use device groups to control one or more Tasmota devices directly using UDP. For precise and complete control use Console or MQTT commands! To access the WebUI use your device's IP address in your favorite web browser. A peripheral must have correctly wired power, GND and data pins to the device prior to booting in order for Tasmota to detect it and initialize it properly. To use them I2C and the device need to be enabled at compile time. Tasmota FHEM Module. Wire the Serial-to-USB on the ZBBridge PCB. 4). 5mm jack. Anyhow, it is not at all necessary to update the firmware of your devices with every x. Peripherals. WebUI does not and can not have all the features and commands implemented. Arlec Smart 1350lm PAR38 CCT Bulb. SetOption19 0 to configure the native discovery needed for the Home Assistant Source is an online HTTP connection to a running Tasmota device. >D ;start, define variables wkup=1 >B ;setup sensor ->sensor53 r ->sensor53 d0 ->sensor53 l255 ;tper=300 >S ; this device is powered by battery ; frequent requests will lead to blocking and reduces lifetime ; starting sequence: ;- press button on device once ;- restart Tasmota with script sctivated (you have 5 minutes to do this) ;- after 30s Jan 20, 2022 · Device Groups not working as expected #14533. Be sure to turn the output on so the load is powered on as well. Jul 10, 2023 · Choose whether or not you wish to backup the firmware already on the device by clicking the checkbox accordingly. Aug 31, 2021 · Tasmota allows you to configure and control any device that uses the ESP Wi-Fi chip. Tasmota Device Groups for ESPHome This repository is for an external component for ESPHome to add (limited) Tasmota device groups compatibility. DevGroupStatus doesn't show any other devices. Also if I restart/reboot the Tasmota device, it switches over the the MQTT Integration. Tasmota provides a Rule feature heavily inspired by the ESPEasy implementation while maintaining a small memory footprint. Ajax Online 380lm CCT Bulb. Hyleton 313 Smart Plug. Integrate Tasmota into your smart home automation system. Here, we are using the ESP-01 chip and to control LED and read the DHT11 sensor. States: modeLedExor - exor for white LEDs and color leds => if the white LEDs are switched on, color LEDs are switched off and vice versa (default true) modeReadColors - allow for color read from Flash your device the normal way; either through serial or OTA. Tick the checkbox next to erase before flashing. address 0x27 is used by multiple devices) Using command I2cDriver individual drivers can be Index. List the devices connected to your Mosquitto server that you Tasmota uses flash memory to store options and settings. For HomeAssistant is also available TasmoAdmin as an ADD-ON. But the new Tasmota integration is just not detecting this device. gz is successfully loaded, select Firmware Upgrade once again and upload the firmware file compiled using Gitpod. Tasmota does support Domoticz MQTT out of the box for sensors and relays both. However, if you are using the ESP32-CAM, you must specifically choose the firmware for this device. 0 and v9. Tasmota cannot run on Realtek devices and there are no plans on supporting them. It supports a wide variety of peripheral devices and can be loaded on to existing devices that use the ESP platform, such as Tuya/Smart Life products Apr 10, 2022 · Tasmota Edge Tasmota Edge is an Edge driver for SmartThings, that allows you to add your Tasmota supported devices and HTTP devices as SmartThings devices. in HA the device would be called "Gosund Light Switch" and Make a backup of the device configuration using the web UI Configuration menu option. Sonoff Temp Sensor DS18B20. Aug 21, 2021 · Homebridge Plugin for Tasmota Devices that leverage's the Home Assistant Auto Discovery Function. 1 version! Indeed, Tasmota even urges users to NOT update blindly: Upgrading - Tasmota. and I would think this might be a network issue, but if that would be the case the first group wouldn't work either tasmota-sensors. I2C and some devices are supported also in the official releases. 0 and above. bin build which includes basic Tasmota features required for normal operation with Tuya devices, while removing Aug 31, 2021 · Tasmota allows you to configure and control any device that uses the ESP Wi-Fi chip. 168. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Tasmota Device Manager or TDM is a GUI application written in Python for discovery and monitoring of Tasmota flashed devices. EliRibble. These commits are tested as much as is possible and are typically Plugs/Sockets. user-friendly configuration of buttons, switches and relays, including Dec 3, 2023 · 2 = set Wi-Fi Manager as the current configuration tool and start Wi-Fi Manager (web server at 192. Devices by Standard. Just tell Alexa to discover devices of the appropriate type (plug, switch, etc. I noticed that a Tasmota device was unavailable. To access our GitHub releases page and directly flash firmware binaries. and then simply run tasmotizer. Turn the power on to your device. 4 KB. 5. Make a motion activated switch with temperature and humidity sensor. In the example below we will use (EU) Frankfurt (eu-central-1). For example: `mini -sonoff ` will show Tasmota Device Templates Repository This is an official repository of templates for devices that are flashable with Tasmota . #14533. To associate your repository with the tasmota-devices topic, visit your repo's landing page and select "manage topics. Tasmota is an alternative firmware for ESP boards that provides a wealth of handy features, and [Mat] has written up a guide to flashing with far greater ease by using Tasmota uses DeviceName to name the device in Tasmota integration and FriendlyName<x> to name power outputs (switch or light entities in HA). Feb 1, 2021 · Traditionally, flashing a Tasmota firmware onto a Sonoff device involves finding a serial connection, soldering a few cables/pins, and connecting the device to a serial-to-USB adapter. Tasmota Device Manager offers an overview of all your Tasmota devices using MQTT protocol. WiOn 50055 Indoor Wi-Fi Switch With USB (support for relay and switch only - no power monitoring yet. There might be a delay depending on the results included! To search exact match use `+`. In the Configuration -> Configure Module page, select Module Type: "18 Generic". I've recently been working on switching all 60 light switches in my home to a Tasmota-based smart switch. Enter the command DevGroupSend 128=1 on one device in the group. the maximum number of devices on the I²C bus is no more than 128 pcs. All the devices are submitted by the awesome community built around Tasmota and Tuya-Convert . Ajax Online 7W Vintage CCT Bulb. yml. gz to your device using the web UI Firmware Upgrade selection. 4G WiFi Smart Home Devices and Needs Neutral Wires, 1 Pack $19. Search Devices Supported by Tasmota. bin - not all - and includes support for connectable sensors tasmota-lite. For example: Sonoff, Shelly, Tuya and many, many more. It can communicate over your existing wireless network using a protocol called MQTT. Search bar searches as you type. bin. I am trying to migrate one of the devices to “SetOption19 0”. local Daylight Saving Time policies. it is not allowed to use devices with the same addresses. It provides an alternative firmware solution and replaces, by flashing, the firmware on these devices. You can exclude any term from search results with `-`. easy to read detachable telemetry viewers (working in active and passive mode) relay, color and PWM control. E27. Hue Bridge Emulation ~ For control of lights, color control (introduced in version 6. Or using Serial-to-USB adapter and connecting: May 11, 2024 · Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Oct 19, 2023 · This topic was about the integration of those devices in HA, not their firmware. Configure AWS IoT Policy (to be done once) Open the AWS Console and select the target region. B07TD4ZXWK. See status here #82 . For that, first click on the ‘Configuration’ button and then in the next step click on ‘Configure Module. This is done via the MQTT_HOST macro in user_config_override. These a Feb 25, 2020 · February 25, 2020. Easy initial installation of Tasmota via Tasmota WebInstaller. You have to save "18 Generic" first and when you go there again after the WebUI. Tasmota is a flexible and expandable firmware that allows you to control and automate your ESP devices with MQTT, Web UI, HTTP or serial. After tasmota-minimal. ) is supported via build Tasmota32-lvgl. Feb 24, 2023 · The list in Drivers is not I2C drivers, but various non-sensor drivers, meaning that CCS811 is not visible there. Table of contents . Jun 11, 2023 · Hi, I’d start with a clean slate - re-flash the device (or Tasmota → Configuration → Reset Device), and delete the Mosquitto Add-on and reinstall. Open again the web interface of your Tasmota device, Click on the Console button, Paste the following command in the text field and press Enter: SetOption19 0. To check the flow of MQTT traffic you can use MQTT Explorer which shows your entire MQTT traffic in an organised and structured way. It is important to note that development binaries are based on the current codebase. Then I activated SetOption19 0 (one of the requirements) and the device suddenly came available in HA. This module extends the default MQTT_Device of FHEM, to make the integration of Tasmota devices (like Sonoff) much easier. Add a physical button to Sonoff Basic. py (to find tasmotizer. #19287. With it, we first have to configure Tasmota. Teckin SP23. LA-WF3 Wifi Plug (Tuya TYWE2S) - Costco. Yes. I visited the device and the device looked alright looking at the console. All topics will be subscribed automatically. your device. E26. Modify KaKu to WKaKu Power Socket. py) Connect your ESP8266 device to your computer either: Directly via the USB port on the device – as with the D1 mini or NodeMCU. Learn more about Matter. dmp file containing all settings for the selected Tasmota device. for this one device grouping is not working. An ESP8266 with 2MB flash single relay device 42mm "round" in size. That said, it sounds like you run updates for both worlds via Home Assistant. Rules. Rules expand the functionality of Tasmota with user configurable flexible logic. Manufacturer provided firmware on most devices usually allows full control only via a cloud base platform. Using a template with an appropriate BASE device may have the programming logic required to manage the MCU commands for your device. Select the firmware variant suitable for. Tasmota supports several I2C devices. 0) also follows. 0. Disconnect the adapter. Sep 14, 2022 · I have a few Tasmota devices and use the official Tasmota integration ( Tasmota - Home Assistant ). EliRibble started this conversation in Ideas. GPIO Locations for some devices. True 3-Way Smart Switch. So, for example. Unlike other guides, you neither need Hue Emulation nor need to open… Jun 14, 2021 · Jonathan, Frankly, this could do with A Big finAle of how to control the Tasmota device by voice like through OK Google. Answered by barbudor on Oct 12, 2023. Choose Upgrade by file upload. Serial Connection~ Shelly1 comes with a partially exposed programming/debug header which can be used to flash Tasmota on the device. For controlling and for automations, are already some dedicated tools. EU | US Oct 19, 2023 · This topic was about the integration of those devices in HA, not their firmware. Now we are ready to flash! Go ahead and hit the Tasmotize button! In this video, I walk through both Tasmota Device Manager and the Tasmo Backup Home Assistant Add-On that you can use to manage your Tasmota devices. " GitHub is where people build software. Old firmware is not possible to find as best as I can tell, as it is a mystery exactly what specific version was there to begin with. Tasmota is an open-source firmware designed specifically for ESP8266 and ESP32-based devices developed by Theo Arends. Tuya-Convert comes with tasmota-lite. The Matter standard was launched end of 2022, and is supported since July 2023 by Tasmota v13. Since the majority of the code is taken directly from Tasmota, the license from Tasmota (GNU GPL v3. Tasmota is very common and is compatible with various smart home platforms such as TUYA, Google Home, Home assistant etc. 1) for 3 minutes, then reboot and try to connect Wi-Fi network. The Matter protocol is an open-source, royalty-free standard designed to enable smart home devices from different manufacturers to work seamlessly and securely together. Visit Tasmota Supported Devices Repository for a complete list of devices working with Tasmota. g. The following GIF shows the whole process using ESP32-CAM. Close MQTT Broker Start MQTT Client First, find the ip adress of your homey, set it as fixed Oct 9, 2023 · 1. You can find the default suggested setup in appsettings_template. on Aug 9, 2023. Upload firmware and configure via Menu Auto-configuration. Remote button for Sonoff. Devices can be de/-actived on runtime to solve possible address conflicts. create a HASS user. Power the device on and off six times with intervals lower than 10 seconds and leave it on after seventh time. If you are using a device other than the ESP32-CAM, you can choose the option “Tasmota (english)” (which is usually selected by default) and then hit the “CONNECT” button. 4 = retry other AP without rebooting (default) 5 = wait until selected AP is available again without rebooting. After flashing Tasmota, open web UI on the device and go to Configuration -> Auto-configure. The actual development / release builds and the unofficial firmwares are available. Procedure. you have a dual light switch. ) I'm using the mosquitto broker. obtaining the UTC time, and, 2. 4. py on MacOS you can use: find / -name tasmotizer. Jan 24, 2021 · The mode states will be created only if device has one of the states: Red, Green, Blue, WW, CW, Color, RGB_POWER, WW_POWER, CW_POWER, Hue, Saturation. The host name string must meet two requirements: - The Tasmota device must be able to resolve the name, which might require access to a DNS server. Create an appsettings. Access the Tasmota web interface and finally configure the device. Length of the wire is approximately 47cm apart from DS18b20 sensor that comes with approximately 1m long wire. 3V source with at least 350 mA drive capability. 99 $ 19 . Automation solutions can be implemented without having to add dedicated code or use external solutions. Is there a method for programmatically discovering all devices on a given Nov 12, 2020 · From terminal execute: pip3 install tasmotizer. Jan 15, 2021 · Once you are done configuring your Tasmota device, make sure to download a backup of its settings and store the backup file on multiple locations (see the 3-2-1 backup strategy). 1 is the local host address. Made with Material for MkDocs. So as your mosquitto is running on a PC, you need to configure tasmota to connect to the actual ip address of your PC, not 127. Changing default settings that will be used by Tasmota when running for the first time on a blank device (no previous existing configutrion in flash or flash erased). Enter the command DevGroupShare -1,-1 on all devices in the group to enable sharing of all items. Documentation (Wiki) for Tasmota. For example: `+mini +sonoff ` will show only devices with "Mini" and "Sonoff" in their name. ) and when it asks what brand device, scroll to the end and choose "Other". Use this automation to sync your devices, including their power state, as soon as you start Home Assistant. In both of the above mentioned scenarios you can upload Tasmota firmware and replace what was on that device before, gaining full local control over the device. Expand Sonoff S20 with a jack plug. Peripherals are sensors, displays, controllers, LEDs and other devices wired to available GPIO pins of your device. May 30, 2022 · This device came with Tasmota 6. 1. Tasmota devices are recognized by the Alexa app. Anoopsyche 9W 800lm CCT Bulb. GU10. Tuya-Convert is the most successful method of flashing Tuya modules without opening the device and soldering. using USB or serial-to-USB adapter. Features with such requirement have a warning with This section will walk you through the process of configuring your bot. Fast power cycle device recovery should activate and the device should be reset to firmware defaults. Jul 15, 2022 · My devices are split between the MQTT and Tasmota Integration, and I have tried a few times to migrate all devices to the Tasmota Integration, but they pop back into the MQTT Integration as entities and disappear from the Tasmota Integration. Hit "Install" and select the correct port. I would also recommend that you erase the flash prior to flashing to prevent any errors. Open two Tasmota web UI browser windows for your power monitoring device: Click on Console in one browser window. Sonoff TH Sensor AM2301 3. After Saving the settings, the WEMOS reboots with the Generic configuration. Devices listed here are the ones existing as modules in Tasmota. Connect the ESP device to your computer. The first time you switch to "18 Generic" you will NOT see all the options as seen in the picture below YET. On the May 30, 2022 · TASMOTA Smart Dimmer Switch by Martin Jerry | ESP8266, Smart Light Switch That Work with Home Assistant | 2. bin has a stripped down feature set. See Device Groups. Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. 7. Close MQTT Broker Start MQTT Client First, find the ip adress of your homey, set it as fixed Tasmota devices must have a their time of day set properly in order for any timers to work properly. You can manage them, use device features and do basic troubleshooting with ease. (e. Addresses from 0 to 127, one for "master" and others for "slave". A serial-to-USB adapter is needed as well as a reliable 3. Tasmota supports Matter over IP (Wi-Fi or See CHANGELOG for changes since last release. 1. The list in Sensors are not I2CDriver, but I2C drivers are included, with CCS811 having number 31. Keep the other on the main page to view the Power telemetry data. , TuyaMCU fan devices; Tasmota Integration~ Once you configure the Home Assistant integration every new Tasmota device with SetOption19 0 set will be discovered automatically. Due to the flash size and memory constraints of ESP not all features can be included in precompiled release binaries. Add this block to your automation with %topic% to synchronize the state of one TuyaMCU unit. Jun 20, 2021 · Features. Lingan SWA1. Devices with functions offloaded to a separate MCU require additional coding in the software or via rules. ej rv fy sv eb hl qg gk bu mh