Overview

We will detail the steps required to flash the open source Tasmota firmware on a Treatlife 3 way switch and configure it to work with Homebridge.

Hardware

Install Tuya Convert on a Raspberry Pi

See https://github.com/ct-Open-Source/tuya-convert

Flash Device

Detailed instructions can be found:  https://github.com/ct-Open-Source/tuya-convert

...

You will need to hold down the button to get this switch to flash.

> ./start_flash.sh 

Configuring Switch

Configuring WIFI

Connect to the flashed device by looking for it's SSID - tasmota-####

...

The dimmer will reboot and connect to your wifi network. Check your router to find out it's IP address and connect to it via your browser.

Set the GPIOs

3 Way Setup

Issue the following from the console:

...

Should result in the following:

2 Way Setup

> backlog module 18;gpio4 52;gpio5 0;gpio12 29;gpio13 17;gpio14 0;switchmode 1

Homebridge Config

For integration with Homebridge, we are going to use the mqttthing plugin and run all of the commands through an mqtt server.

...

        {
            "accessory": "SonoffTasmotaHTTP",
            "name": "switch1",
            "hostname": "192.168.1.172",
            "user": "admin",
            "password": "lifeisgreatxxx"
        },

Reference

...