lease help me choose the materials required for the building

[admin]

controller have "interlock" function for curtain.
if you want "When we press the switch, the curtain works, and when we lift the pressure on the switch, the curtain stops" , you can chose KC868-A32 instead of KC868-H32BS, because the "KCS" firmware have this function.
these products all in our official store: https://kincony.aliexpress.com/store/1100463977