ESPurna Firmware
ESPurna ("spark" in Catalan) is a custom firmware for ESP8266 based smart switches.
It was originally developed with the IteadStudio Sonoff in mind but now it supports a growing number of ESP8266-based boards.
It uses the Arduino Core for ESP8266 framework and a number of 3rd party libraries.
Current Release Version is 1.11.3, read the changelog.
NOTICE: Default flash layout changed in 1.8.3, as an unpredicted consequence devices will not be able to persist/retrieve configuration if flashed with 1.8.3 via OTA from PlatformIO. Please check issue #187.
NOTICE: since version 1.9.0 the default MQTT topics for commands have changed. They all now end with "/set". This means you will have to change your controller software (Node-RED or alike) to send messages to -for instance- "/home/living/light/relay/0/set". The device will publish its state in "/home/living/light/relay/0" like before.
Features
- KRACK vulnerability free (when built against Arduino Core 2.4.0 RC2)
- Support for multiple ESP8266-based boards (check list)
- Power saving options
- Wifi AP Mode or STA mode
- Up to 5 different networks can be defined
- Supports static IP
- Scans for strongest network if more than one defined
- Defaults to AP mode (also available after double clicking the main button)
- Network visibility
- Supports mDNS (service reporting and metadata)
- Supports NetBIOS, LLMNR and Netbios (when built against Arduino Core 2.4.0 RC2) and SSDP (experimental)
- Switch management
- Support for push buttons and toggle switches
- Configurable status on boot per switch (always ON, always OFF, same as before or toggle)
- Support for pulse mode per switch (normally ON or normally OFF) with configurable time
- Support for relay synchronization (all equal, only one ON, one and only on ON)
- Support for MQTT groups to sync switches between devices
- Support for delayed ON/OFF
- MQTT enabled
- SSL/TLS support (not on regular builds, see #64)
- Switch on/off and toggle relays, group topics (sync relays between different devices)
- Report button event notifications
- Enable/disable pulse mode
- Change LED notification mode
- Remote reset the board
- Alexa integration using the FauxmoESP Library
- Google Assistant integration using IFTTT and Webhooks (Google Home, Allo)
- Domoticz integration via MQTT
- Home Assistant integration via MQTT
- Support for switches (on/off)
- Support for lights (color, brightness, on/off state)
- Supports MQTT auto-discover feature (both switches and lights)
- InfluxDB integration via HTTP API
- Support for different sensors
- Environment
- DHT11 / DHT22 / DHT21 / AM2301 / Itead's SI7021 (supports celsius & fahrenheit reporting)
- BMP280 and BME280 temperature, humidity (BME280) and pressure sensor by Bosch
- SI7021 temperature and humidity sensor
- SHT3X temperature and humidity sensor over I2C (Wemos shield)
- Dallas OneWire sensors like the DS18B20 (supports celsius & fahrenheit reporting)
- MHZ19 CO2 sensor
- PMSX003 dust sensor
- BH1750 luminosity sensor
- Power monitoring
- HLW8012 using the HLW8012 Library (Sonoff POW)
- Non-invasive current sensor using internal ADC or ADC121 or ADS1115
- ECH1560 power monitor chip
- V9261F power monitor chip
- Raw analog and digital sensors
- Simple pulse counter
- Support for LED lights
- MY92XX-based light bulbs and PWM LED strips (dimmers) up to 5 channels (RGB, cold white and warm white, for instance)
- RGB and HSV color codes supported
- Manage channels individually
- Temperature color supported (in mired and kelvin) via MQTT / REST API
- Flicker-free PWM management
- Soft color transitions
- Fast asynchronous HTTP Server
- Configurable port
- Basic authentication
- Web-based configuration
- Relay switching and sensor data from the web interface
- Handle color, brightness, and white/warm channels for lights
- Websockets-based communication between the device and the browser
- Backup and restore settings option
- Upgrade firmware from the web interface
- Works great behind a secured reverse proxy
- REST API (enable/disable from web interface)
- GET and PUT relay status
- Change light color (for supported hardware)
- GET sensor data (power, current, voltage, temperature and humidity) depending on the available hardware
- Works great behind a secured reverse proxy
- RPC API (enable/disable from web interface)
- Over-The-Air (OTA) updates even for 1Mb boards
- Manually from PlatformIO or Arduino IDE
- Automatic updates through the NoFUSS Library
- Update from web interface using pre-built images
- Command line configuration
- Change configuration
- Run special commands
- Telnet support
- Enable/disable via the web UI
- Show debug info and allows to run terminal commands
- Unstable system check
- Detects unstable system (crashes on boot continuously) and defaults to a stable system
- Only WiFi AP, OTA and Telnet available if system is flagged as unstable
- Button interface
- Click to toggle relays
- Double click to enter AP mode (only main button)
- Long click (>1 second) to reboot device (only main button)
- Extra long click (>10 seconds) to go back to factory settings (only main button)
- Specific definitions for touch button devices (ESPurna Switch, Sonoff Touch & T1)
Documentation
For more information please refer to the ESPurna Wiki.
Supported hardware
Here is the list of supported hardware. For more information please refer to the ESPurna Wiki Hardware page.
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 |
 |
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Tinkerman ESPurna H |
IteadStudio Sonoff RF Bridge |
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 |
 |
 |
IteadStudio Sonoff Basic |
IteadStudio Sonoff RF |
Electrodragon WiFi IOT |
 |
 |
 |
IteadStudio Sonoff Dual |
IteadStudio Sonoff POW |
IteadStudio Sonoff TH10/TH16 |
 |
 |
 |
IteadStudio Sonoff 4CH |
IteadStudio Sonoff 4CH Pro |
OpenEnergyMonitor WiFi MQTT Relay / Thermostat |
 |
 |
 |
IteadStudio S20 |
WorkChoice EcoPlug |
Power meters based on V9261F and ECH1560 |
 |
 |
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IteadStudio Sonoff Touch |
IteadStudio Sonoff T1 |
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 |
 |
 |
IteadStudio Slampher |
AI-Thinker Wifi Light / Noduino OpenLight |
IteadStudio Sonoff B1 |
 |
 |
 |
MagicHome LED Controller (1.0 and 2.0) |
Huacanxing H801 |
Itead BN-SZ01 |
 |
 |
 |
IteadStudio Sonoff SV |
IteadStudio 1CH Inching |
IteadStudio Motor Clockwise/Anticlockwise |
 |
 |
 |
Wemos D1 Mini Relay Shield |
Jan Goedeke Wifi Relay (NO/NC) |
Jorge García Wifi + Relays Board Kit |
 |
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EXS Wifi Relay v3.1 |
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Other supported boards: Itead Sonoff LED, Itead Sonoff Dual R2, Huacanxing H802, WiOn 50055, ManCaveMade ESP-Live, InterMitTech QuinLED 2.6, Arilux AL-LC01, Arilux AL-LC06, Arilux AL-LC11, Arilux E27 light bulb, Xenon SM-PW702U, Authometion LYT8266, YJZK 2-gang switch.
License
Copyright (C) 2016-2017 by Xose Pérez (@xoseperez)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.