Button circuit buttons arduino microcontroller work switch floating input using problem hooked similarly sort above non version figure but will Arduino androiderode pinout pinouts Arduino schematic
How to wire and program a button Inspiron 15-3531 power input wiring diagram Arduino uno board pin details
L1: using buttons .
.
Inspiron 15-3531 Power Input Wiring Diagram
Arduino Uno Board Pin Details
How to Wire and Program a Button | Arduino Documentation | Arduino