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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. Written for PlatformIO.
In light of current events we like to support the people behind PlatformIO Project, especially Ivan Kravets, and wish them the strength to help stop the war. See platformio-is-ukrainian-project-please-help-us-stop-the-war for what you can do.
Easy initial installation of Tasmota can be performed using the Tasmota WebInstaller.
If you like Tasmota, give it a star, or fork it and contribute!
See RELEASENOTES.md for release information.
See CHANGELOG.md for detailed change information.
Unless your Tasmota powered device exhibits a problem or lacks a feature that you need, leave your device alone - it works so don’t make unnecessary changes! If the release version (i.e., the master branch) exhibits unexpected behaviour for your device and configuration, you should upgrade to the latest development version instead to see if your problem is resolved as some bugs in previous releases or development builds may already have been resolved.
Every commit made to the development branch, which is compiling successfuly, will post new binary files at http://ota.tasmota.com/tasmota/ (this web address can be used for OTA updates too). It is important to note that these binaries are based on the current development codebase. These commits are tested as much as is possible and are typically quite stable. However, it is infeasible to test on the hundreds of different types of devices with all the available configuration options permitted.
Note that there is a chance, as with any upgrade, that the device may not function as expected. You must always account for the possibility that you may need to flash the device via the serial programming interface if the OTA upgrade fails. Even with the master release, you should always attempt to test the device or a similar prototype before upgrading a device which is in production or is hard to reach. And, as always, make a backup of the device configuration before beginning any firmware update.
st⚠️ DANGER OF ELECTROCUTION ⚠️
If your device connects to mains electricity (AC power) there is danger of electrocution if not installed properly. If you don't know how to install it, please call an electrician (Beware: certain countries prohibit installation without a licensed electrician present). Remember: SAFETY FIRST. It is not worth the risk to yourself, your family and your home if you don't know exactly what you are doing. Never tinker or try to flash a device using the serial programming interface while it is connected to MAINS ELECTRICITY (AC power).
We don't take any responsibility nor liability for using this software nor for the installation or any tips, advice, videos, etc. given by any member of this site or any related site.
Please do not ask to add new devices unless it requires additional code for new features. If the device is not listed as a module, try using Templates first. If it is not listed in the Tasmota Device Templates Repository create your own Template.
Important User Compilation Information
If you want to compile Tasmota yourself keep in mind the following:
- For ESP8285 based devices only Flash Mode DOUT is supported. Do not use Flash Mode DIO / QIO / QOUT as it might seem to brick your device.
- For ESP8285 based devices Tasmota uses a 1M linker script WITHOUT spiffs 1M (no SPIFFS) for optimal code space.
- To make compile time changes to Tasmota use the
user_config_override.hfile. It assures keeping your custom settings when you download and compile a new version. You have to make a copy from the provided
user_config_override_sample.hfile and add your setting overrides.
Please refer to the installation and configuration articles in our documentation.
See migration path for instructions how to migrate to a major version.
Do not upgrade from minimal to minimal version. It will most likely fail at some point and will require flashing via serial. If you do have to use minimal versions, always OTA to a full version of the same release before applying next minimal version.
Pay attention to the following version breaks due to dynamic settings updates:
- Migrate to Sonoff-Tasmota 3.9.x
- Migrate to Sonoff-Tasmota 4.x
- Migrate to Sonoff-Tasmota 5.14
- Migrate to Sonoff-Tasmota 6.7.1 (http://ota.tasmota.com/tasmota/release_6.7.1/sonoff.bin) - NOTICE underscore as a dash is not supported in older versions
- Migrate to Tasmota 7.2.0 (http://ota.tasmota.com/tasmota/release-7.2.0/tasmota.bin)
--- Major change in parameter storage layout ---
- Migrate to Tasmota 8.5.1 (http://ota.tasmota.com/tasmota/release-8.5.1/tasmota.bin)
--- Major change in internal GPIO function representation ---
- Migrate to Tasmota 9.1 (http://ota.tasmota.com/tasmota/release-9.1.0/tasmota.bin.gz)
- Upgrade to latest release (http://ota.tasmota.com/tasmota/release/tasmota.bin.gz)
While fallback or downgrading is common practice it was never supported due to Settings additions or changes in newer releases. Starting with release v9.1.0 Imogen the internal GPIO function representation has changed in such a way that fallback is only possible to the latest GPIO configuration before installing v9.1.0.
For a database of supported devices see Tasmota Device Templates Repository
If you're looking for support on Tasmota there are some options available:
- Documentation Site: For information on how to flash Tasmota, configure, use and expand it
- FAQ and Troubleshooting: For information on common problems and solutions.
- Commands Information: For information on all the commands supported by Tasmota.
- Tasmota Discussions: For Tasmota usage questions, Feature Requests and Projects.
- Tasmota Users Chat: For support, troubleshooting and general questions. You have better chances to get fast answers from members of the Tasmota Community.
- Search in Issues: You might find an answer to your question by searching current or closed issues.
- Software Problem Report: For reporting problems of Tasmota Software.
You can contribute to Tasmota by
- Providing Pull Requests (Features, Proof of Concepts, Language files or Fixes)
- Testing new released features and report issues
- Donating to acquire hardware for testing and implementing or out of gratitude
- Contributing missing documentation for features and devices
People helping to keep the show on the road:
- David Lang providing initial issue resolution and code optimizations
- Heiko Krupp for his IRSend, HTU21, SI70xx and Wemo/Hue emulation drivers
- Wiktor Schmidt for Travis CI implementation
- Thom Dietrich for PlatformIO optimizations
- Marinus van den Broek for his EspEasy groundwork
- Pete Ba for more user friendly energy monitor calibration
- Lobradov providing compile optimization tips
- Flexiti for his initial timer implementation
- reloxx13 for his TasmoAdmin management tool
- Joachim Banzhaf for his TSL2561 library and driver
- Andre Thomas for providing many drivers
- Gijs Noorlander for his MHZ19, SenseAir and updated PubSubClient drivers
- Erik Montnemery for his HomeAssistant Discovery concept and many code tuning tips
- Federico Leoni for continued HomeAssistant Discovery support
- Aidan Mountford for his HSB support
- Daniel Ztolnai for his Serial Bridge implementation
- Gerhard Mutz for multiple sensor & display drivers, Sunrise/Sunset, and scripting
- Nuno Ferreira for his HC-SR04 driver
- Adrian Scillato for his (security)fixes and implementing and maintaining KNX
- Gennaro Tortone for implementing and maintaining Eastron drivers
- Raymond Mouthaan for managing Wemos Wiki information
- Norbert Richter for his decode-config.py tool
- Joel Stein, digiblur and Shantur Rathore for their Tuya research and driver
- Frogmore42 for providing many issue answers
- Jason2866 for platformio support and providing many issue answers
- Blakadder for managing the new document site and providing template management
- Stephan Hadinger for refactoring light driver, enhancing HueEmulation, LVGL, Zigbee and Berry support
- tmo for designing the official Tasmota logo
- Stefan Bode for his Shutter and Deep sleep drivers
- Jacek Ziółkowski for his TDM management tool and Tasmotizer flashing tool
- Christian Staars for NRF24L01 and HM-10 Bluetooth sensor support
- Paul Diem for UDP Group communication support
- Jörg Schüler-Maroldt for his initial ESP32 port
- Javier Arigita for his thermostat driver
- Simon Hailes for ESP32 Bluetooth extensions
- Many more providing Tips, Wips, Pocs, PRs and Donations
This program is licensed under GPL-3.0