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Sonoff-Tasmota

Alternative firmware for ESP8266 based devices like iTead Sonoff with web, timers, 'Over The Air' (OTA) firmware updates and sensors support, allowing control under Serial, HTTP, MQTT and KNX, so as to be used on Smart Home Systems. Written for Arduino IDE and PlatformIO.

GitHub version GitHub download License

If you like Sonoff-Tasmota, give it a star, or fork it and contribute!

GitHub stars GitHub forks donate

See sonoff/_changelog.ino for change information.

Disclaimer

⚠️ DANGER OF ELECTROCUTION ⚠️

A Sonoff device is not a toy. It uses Mains AC so there is a danger of electrocution if not installed properly. If you don't know how to install it, please call an electrician. Remember: SAFETY FIRST. It is not worth to risk yourself, your family and your home if you don't know exactly what you are doing. Never try to flash a Sonoff device while it is connected to MAINS AC.

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.

Quick Install

Download one of the released binaries from https://github.com/arendst/Sonoff-Tasmota/releases and flash it to your hardware as documented in the wiki.

Important User Compilation Information

If you want to compile Sonoff-Tasmota yourself keep in mind the following:

  • Only Flash Mode DOUT is supported. Do not use Flash Mode DIO / QIO / QOUT as it might seem to brick your device. See Wiki for background information.
  • Sonoff-Tasmota uses a 1M linker script WITHOUT spiffs 1M (no SPIFFS) for optimal code space. If you compile using ESP/Arduino library 2.3.0 then download the provided new linker script to your Arduino IDE or Platformio base folder. Later version of ESP/Arduino library already contain the correct linker script. See Wiki > Prerequisite.
  • To make compile time changes to Sonoff-Tasmota it can use the user_config_override.h file. It assures keeping your settings when you download and compile a new version. To use user_config.override.h you will have to make a copy of the provided user_config.override_sample.h file and add your setting overrides. To enable the override file you will need to use a compile define as documented in the user_config_override_sample.h file.

Version Information

  • Sonoff-Tasmota provides all (Sonoff) modules in one file and starts with module Sonoff Basic.
  • Once uploaded select module using the configuration webpage or the commands Modules and Module.
  • After reboot select config menu again or use commands GPIOs and GPIO to change GPIO with desired sensor.

Migration Information

See wiki migration path for instructions how to migrate to a major version. Pay attention to the following version breaks due to dynamic settings updates:

  1. Migrate to Sonoff-Tasmota 3.9.x
  2. Migrate to Sonoff-Tasmota 4.x
  3. Migrate to Sonoff-Tasmota 5.14
  4. Migrate to Sonoff-Tasmota 6.x

Support Information

See Wiki for more information.
See Community for forum.
See Chat for more user experience.

The following devices are supported:

Firmware Release Information

Different firmware images are released based on Features and Sensors selection guided by code and memory usage. All versions support web based WIFI manager configuration.

  • The Minimal version allows intermediate OTA uploads to support larger versions and does NOT change any persistent parameter. This version should NOT be used for initial installation.
  • The Classic version allows initial installation and single OTA uploads.
  • The Sonoff version removes WPS and SmartConfig configuration and allows more sensors.
  • The Sensors version removes WPS and SmartConfig configuration and allows more usefull sensors.
  • The Knx version removes WPS and SmartConfig configuration and some other features but adds KNX support.

Available Features and Sensors

Feature or Sensor sonoff classic minimal knx sensors
ESP/Arduino lib v2.3.0 472k 476k 340k 491k 497k
ESP/Arduino lib v2.4.2 490k 490k 360k 508k 513k
MY_LANGUAGE en-GB x x x x x
USE_WPS - x - - -
USE_SMARTCONFIG - x - - -
USE_ARDUINO_OTA - - - - -
MQTT_LIBRARY_TYPE PUBSUBCLIENT x x x x x
USE_DOMOTICZ x x - x x
USE_HOME_ASSISTANT x x - x x
USE_MQTT_TLS - - - - -
USE_KNX - - - x -
USE_WEBSERVER x x x x x
USE_EMULATION x x - - x
USE_DISCOVERY x x - x x
WEBSERVER_ADVERTISE x x - x x
MQTT_HOST_DISCOVERY x x - x x
USE_TIMERS x - - x x
USE_TIMERS_WEB x - - x x
USE_SUNRISE x - - x x
USE_RULES x - - x x
Feature or Sensor sonoff classic minimal knx sensors
USE_ADC_VCC x x x x x
USE_DS18B20 x x - x -
USE_DS18x20 - - - - x
USE_DS18x20_LEGACY - - - - -
USE_I2C x - - x x
USE_SHT x - - x x
USE_HTU x - - x x
USE_BMP x - - x x
USE_BME680 - - - - x
USE_BH1750 x - - x x
USE_VEML6070 - - - - x
USE_ADS1115 - - - - x
USE_ADS1115_I2CDEV - - - - -
USE_INA219 - - - - x
USE_SHT3X x - - x x
USE_TSL2561 - - - - x
USE_MGS - - - - x
USE_SGP30 x - - x x
USE_SI1145 - - - - x
USE_LM75AD x - - x x
USE_APDS9960 - - - - -
USE_MCP230xx - - - - -
USE_MPR121 - - - - -
USE_CCS811 - - - - -
USE_MPU6050 - - - - -
Feature or Sensor sonoff classic minimal knx sensors
USE_SPI - - - - -
USE_MHZ19 x - - x x
USE_SENSEAIR x - - x x
USE_PMS5003 x - - x x
USE_NOVA_SDS x - - x x
USE_PZEM004T x - - x x
USE_SERIAL_BRIDGE x - - x x
USE_SDM120 - - - - x
USE_SDM630 - - - - x
USE_IR_REMOTE x - - x x
USE_IR_HVAC - - - - x
USE_IR_RECEIVE x - - x x
USE_WS2812 x x - x x
USE_WS2812_DMA - - - - -
USE_ARILUX_RF x - - x x
USE_SR04 x - - x x
USE_TM1638 - - - - -
USE_RF_FLASH x - - x x

See Tasmota ESP/Arduino library version related issues for more information.

Contribute

You can contribute to Sonoff-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

donate

Credits

Libraries Used

Libraries used with Sonoff-Tasmota are:

People inspiring me

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
  • Gijs Noorlander for his MHZ19 and SenseAir drivers
  • Emontnemery for his HomeAssistant Discovery concept and many code tuning tips
  • Aidan Mountford for his HSB support
  • Daniel Ztolnai for his Serial Bridge implementation
  • Gerhard Mutz for his SGP30 and Sunrise/Sunset driver
  • 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, Frogmore42 and Jason2866 for providing many issue answers
  • Many more providing Tips, Pocs or PRs

License

This program is licensed under GPL-3.0