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metronome circuit needed plz.

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lethargicpigeon

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i want to build a metronome and i just wondered if anyone had any simple circuits or know of any sites i could find one. thanx. :?:
 

crust

Member
I built one several years ago, but I no longer have the schematic. instead, i found this one on google. As far as the output device (an 8ohm speaker) is concerned, it looks somewhat like the one I built. I didnt however simulate this circuit.
 

IONtheFROG

New Member
:idea: If you have a copy of or can access a copy of the "Basic Semiconductor Circuits" volume of the Engineer's Mini-Notebook series by Forest Mims III (Radio Shack may still carry these), there are a couple of metronome circuit schematics provided. They are very simple and have a low parts count which is always a bonus.
 

mozikluv

New Member
metronome

:D hi,

if you have any experience in using the 555 timer, you can use this. just connect a simple amplifier circuit, say in darlington fashion for the output. :)
 

mozikluv

New Member
electronic metronome

:D hi,

as an added suggestion to my previous reply, you can also use a Johnson decade counter CD4017 to lite up 8 LEDs to indicate the beat. eg. 2 lited LED means a measure of 2/4

just connect the output of the 555 to pn14 . connect 8 LEDs to the output of 4017. use a 2pole 6 position rotary switch to activate the number of LEDs to light. connect pn13 to ground, connect pn15 to rotary switch :D
 
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