crwdns2935425:02crwdne2935425:0
crwdns2931653:02crwdne2931653:0
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The red and black arrows point to the positive or red and negative or black for the power of the 2 volt buzzer
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Use a multimeter and make sure that there really is voltage coming out of there
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0