ESPAsyncWebServer: In the Arduino IDE, go to Sketch > Include Library > Manage ... You should see a web page with a toggle switch to control the connected device.

A simple external switches and LEDs panel to manage some FS2020 (for ... Unlike other solutions, this project will let you play with some Arduino programming code but don't need any development effort ...

But not always, as these DIY magnetically captured toggle switches ... Each switch cost less than $20 to make, including the MOSFETs needed to drive the coils and the Arduino to provide the ...