thanks goes to c't for the project https://github.com/jamct/sonoffSocket and thanks to an code snippet from https://electronics.stackexchange.com/questions/318023/control-simple-rgb-led-light-strip-with-esp-01-using-homebridge
Both used with an ESP8285 (same as ESP8266 but with integrated storage) ready build controller https://www.ebay.de/itm/DC-5-28V-WiFi-RGB-RGBW-Controller-Control-für-5050-3528-LED-Strip-Light/223132326283 from ebay