Tasmota is an open-source firmware designed specifically for ESP8266 and ESP32-based devices developed by Theo Arends.
It provides an alternative firmware solution and replaces, by flashing, the manufacturer installed firmware on these devices.
However there are a growing number of devices that come pre- flashed with Tasmota.
There is a list here along with a list of devices that can be flashed with Tasmota.
Tasmota firmware enables enhanced control and customization specifically local control using both HTTP and MQTT (Message Queuing Telemetry Transport).
The github page is here and provides access to the code and setup instructions.
Terms Used
MQTT protocol – This is a publish and subscribe message protocol fast becoming the de facto protocol for connecting IOT devices.
HTTP– Hyper text transfer protocol. The protocol used by web browsers.
https – secure http- Uses encryption to protect data.
Device Flashing – Process of putting new code on a device.
Command Questions and Answers
Why Use Tasmota and not the manufacturers Firmware
Q. Can Tasmota work without an internet connection?
Answer:
Yes. Tasmota is designed for local control, so it functions perfectly fine on a local Wi-Fi network, even if the internet goes down.
Q. Does Tasmota support over-the-air (OTA) updates?
Answer:
Yes. Once installed, Tasmota supports OTA updates, allowing you to upgrade your firmware remotely without opening the device again.
Q: Can Tasmota help with local automation systems like Home Assistant?
Answer:
Yes! Tasmota integrates easily with Home Assistant and other MQTT-compatible systems, enabling seamless local automation and control without relying on cloud services.
Q: How does Tasmota improve privacy and security compared to manufacturer firmware?
Answer:
Tasmota removes the need to connect to external servers (like Tuya or cloud services), giving you full local control. This reducesexposure to remote exploits.
Q: Why choose Tasmota over other firmware options like ESPHome or OpenMQTTGateway?
Answer:
Tasmota is excellent for those who prefer a web-based UI with little to no coding. It’s very lightweight, highly configurable, and doesn’t require compiling code for each device like ESPHome.
Tasmota Tutorials on the Site:
- Upgrading Tasmota Notes
- Setting Tasmota Timers with MQTT
- Using Tasmota Devices with Home Assistant and MQTT
- Controlling the Tasmota SonOff Switch with Node-Red
- Setting up the Sonoff Tasmota MQTT Switch
- Find Tasmota Devices- Node-Red Flow
Flashing devices Useful links
- Sonoff – Flashing Installation and configuration video
- Video flash Sonoff with Tasmota uses serial port.
- SuperHouse Tutorial and video