Metronome

you can use this circuit for take the time when you are playing any instruments.

*you need:
-potentiometer 250k
-3 resist. 1k
-1 N555
-2 capacitors 22mf /16v
-1 speaker 8 ohm
-battery 9v
-2 diode leds

WATCHING THE VIDEO
http://www.youtube.com/watch?v=9LxGZSC0L4w&feature=youtu.be

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