VU METER LED LM3914 or LM3915 or LM3916 WITHOUT DC POWER SUPPLY

I show You how to make LED VU Meter LM3914 or LM3915 or LM3916 without using external special DC Power supply, so You can placing this circuit directly to Your Loudspeaker/Transducer (pasive speakers) without any DC adapter.

Also You can turn this circuit into DOT or BAR mode just like that You want, so please watch carefully in this video that how to turn it into BAR or DOT mode.

Circuit diagram: https://youtu.be/LbPpd_xexyA

In this video when I test this circuit, I use my DIY 4 Transistors 150 watt amplifier to play the music, you can see also how I build that Amplifier here: https://youtu.be/ifZYEDzVQio

All video list: https://www.youtube.com/moristolekka/videos

Hopefully this video useful for You.

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Best regards,
Moristo Lekka

#LED
#VuMeter
#DIY

Видео VU METER LED LM3914 or LM3915 or LM3916 WITHOUT DC POWER SUPPLY канала Moristo Lekka Electronic