Press the button A - output GP4 = high, press it again - GP4 = lowPress the button B - output GP5 = high, press it again - GP5 = low
Press the button C - output GP1 = high, press it again - GP1 = low
Press the button D - output GP0 = high, press it again - GP0 = low
thank you for reply You understand it correctly. I want to use this scheme(Fig. 5) instead SC2272-T4
Because I like learning and memory of the remote system.
Sorry for the English language. The reader may not understand.
thank you very much for your help