i was looking at my project and involves 2 buttons and a passive speaker.. now with that said.. each item has 3 pins.. button 1 = gnd, vcc and takes up 1 pin on the arduino button 2 = gnd, vcc and takes up a pin on the arduino speaker = gnd, vcc and takes up 1 pin on the arduino so, my question …

multiple connections to pin..

LarryD May 1, 2018, 5:12am 2

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