What is the purpose of null-resistors R5=0, R6=0 in the Grove_Dual_Button board? Are there any recommendations in what situations and in what resistance range they can be changed? [2_button]

Null-resistors in the Grove_Dual_Button

cgwaltney September 7, 2025, 2:27am 2

i think they are pull down resistors to let it function as a 5v or 3v3 unit and switch debouncing