Homebrew stereo bar graph meter amazingly still working after nearly 40 years of continuous use.
#lm3915 #VUmeter #TexasInstruments #NationalSemiconductor

http://www.i4cy.com/ppm/

[07/01/2020]

A novel use of the LM3915 integrated circuit to indicate both instantaneous and peak power

Toggling the LM3915 MODE pin at high enough frequency allows both instantaneous power level and peak power level to be perceived.

Website by Guy Fernando
How to make audio level indicator with LM3915 ic - freeform circuit │SimpleCircuits

Hello everyone, have come back to my channel. In today's video I will make audio level indicator with LM3915 ic. This is a very common simple circuit. There ...

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