Software developed and flashed to the ESP8266-01. I usedto take some CSS elements to display the signal on the website. By clicking on the red circle, the red LED turns red and turns off the green LED. By clicking the green circle – well – guess what happens

I supply the board with 18VAC as I have it at my tracks. The LED’s have a common ground. So just three wired are required to control the LED’s.

OK – result: It took a while, but finally this works.
I “just” need to build the signal out of cupper profiles and mount it on top of the black box with the electronics inside.

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