Button circuit buttons arduino microcontroller work switch floating input using problem hooked similarly sort above non version figure but will Arduino uno board pin details Jack wiring inspiron input connect barrel wires simpler
Arduino androiderode pinout pinouts Arduino schematic Inspiron 15-3531 power input wiring diagram
L1: using buttons .
.
L1: Using buttons | Physical Computing
How to Wire and Program a Button | Arduino Documentation | Arduino
Inspiron 15-3531 Power Input Wiring Diagram