Feb 5, 2015 #1 J Jane Misty Bumatay Newbie level 1 Joined Feb 5, 2015 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 6 how can i connect a buzzer on the start button (P1.0) of this circuit with 5v input? the buzzer is 12v.
how can i connect a buzzer on the start button (P1.0) of this circuit with 5v input? the buzzer is 12v.
Feb 5, 2015 #2 D d3javu Member level 2 Joined Oct 15, 2010 Messages 42 Helped 9 Reputation 18 Reaction score 9 Trophy points 1,288 Activity points 1,526 Simplest and cheapest way is to just a transistor.
Feb 5, 2015 #3 M milan.rajik Banned Joined Apr 1, 2013 Messages 2,524 Helped 540 Reputation 1,078 Reaction score 524 Trophy points 1,393 Activity points 0 The buttons need pullup resistors.