Electronic components and connections - Push button
How do we identify either it is A pin or B pin ?
Arduino Electronic-components-and-connections 05-06 min 40-50 sec
Answers:
As shown in figure check the connecting legs, as shown A-C and B-D are short so you can one can connect one wire for switch either to A or C and other wire to B or D so when the switch is pressed the circuit is complete.
