Configure your smart switch module to work with Tasmota open source firmware.
Shelly 2 - Tasmota
Upgrading an old Tasmota and MUCH MORE - Scargill's Tech Blog
Shelly Dimmer 2 Dimmer Module Configuration for Tasmota
Time to start replacing Insteon, need wiring & device advise. : r/homeassistant
Shelly RGBW2 on Tasmota won't go back to full brightness after being dimmed over MQTT · Issue #14171 · arendst/Tasmota · GitHub
New Shelly Pro Series (i.e. 2/2PM) · arendst Tasmota · Discussion #16733 · GitHub
Shelly Dimmer 2, WiFi Smart Dimmer Switch, No Neutral Wire Required, Home Automation, Compatible with Alexa & Google Home, iOS Android App, No Hub Required
Shelly Dimmer 2, WiFi Smart Dimmer Switch, No Neutral Wire Required
Shelly EM not reporting data · Issue #14261 · arendst/Tasmota · GitHub
ST Edge] •• Tasmota Edge •• for Sonoff, Tuya & many other ESP WiFi & HTTP devices - over 2000 Tasmota supported devices - Community Created Device Types - SmartThings Community
Tasmota: Flashing and setup a Shelly 2.5
Shelly Dimmer 2, WiFi Smart Dimmer Switch, No Neutral Wire Required, Home Automation, Compatible with Alexa & Google Home, iOS Android App, No Hub Required
Support for Shelly EM · Issue #8055 · arendst/Tasmota · GitHub