Configure your smart dimmer module to work with Tasmota open source firmware.
New Device Sonoff D1 Dimmer · Issue #611 · esphome/feature-requests · GitHub
Tutorial video of DIY Mode for SONOFF D1 smart dimmer switch
Module Switches and Dimmers
Sonoff D1 Dimmer - modular in and out
Sonoff D1 Dimmer - an improved design? - NotEnoughTech
Sonoff D1 Dimmer Running ESPHome
Module Switches and Dimmers
Sonoff D1 Dimmer — ESPHome
EU Devices
Sonoff D1 Dimmer released - Configuration - Home Assistant Community
Sonoff D1 Dimmer Did it miss the mark?