4 Gang Light Touch Switch (LX-WIFI-03O(US))
4 Gang Light Touch

Available from:

Install method:
USB to Serial

GPIO #Component
GPIO00 Button 1
GPIO01 None
GPIO02 None
GPIO03 None
GPIO04 Relay 3
GPIO05 Relay 2
GPIO09 Button 2
GPIO10 Button 3
GPIO12 Relay 1
GPIO13 Relay_i 5
GPIO14 Button 4
GPIO15 Relay 4
GPIO16 None
GPIO17 None

You can run webbutton5 Bck L in the console to reflect what button does in the web gui. This is for board revision us 4ch 20190709.

PCB Image