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The LED VU Meter was the height of late 80s boombox technology. This instructable will build one out on the breadboard. Who doesn't like blinking lights... I have ...
You will need either the National Semiconductor LM3916/LM3915/LM3914, 2 for stereo... -2x 1.2k Ohm Resistor -Wire -2x 10 LEDs or a 10 Segment LED Bar graph -2x Breadboard, ...
You will wire up the circuit following the diagram attached. For a bigger version you can check out the page at N.S.. I skipped two things, I did ...
I wanted to be able to listen to the music while looking at the flashing lights, novel idea I know... So I wired up two 1/8" stereo jacks ...
Remember the LM3916 switches negative not positive. So hook the positive up on all of your LEDS to positive in your breadboard. Then pin 1 should go to ...
Now you can live large like Radio Raheem, this would fit nicely in the ipod nano box wouldn't it... Except you can't fit 20D batteries in a nano ...
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Como hacer un vumetro by Hub MakerSpace
Volume Units Meterby usbg3rd
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