4CH Dimmer Switch Touch Screen Wemos mini
https://www.youtube.com/watch?v=Kn8ghB2bd9Q
https://www.youtube.com/watch?v=rx0F6wOA-Ic
4 channel module https://robotdyn.com/ac-light-dimmer-module-4-channel-3-3v-5v-logic-ac-50-60hz-220v-110v.html
4CH Dimmer Switch Touch Screen Wemos mini
https://www.youtube.com/watch?v=Kn8ghB2bd9Q
https://www.youtube.com/watch?v=rx0F6wOA-Ic
4 channel module https://robotdyn.com/ac-light-dimmer-module-4-channel-3-3v-5v-logic-ac-50-60hz-220v-110v.html