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LM3915

LM3915 IC Datasheet, Pinout, Application Circuits

Last Updated on January 3, 2024 by Swagatam 18 Comments

LM3915 typical application circuit

If you are having difficulty in understanding how to use an LM3915 IC, this article will help you to easily construct any desired applicable circuit using this IC. Here, I will elucidate the datasheet of the IC LM3915, its pinout functions, its main electrical specifications, and also a few useful application circuits. General Description The […]

Filed Under: Datasheets and Components Tagged With: Application, Circuits, Datasheet, LM3915, Pinout

Music Power Level Indicator Circuit using IC LM3915

Last Updated on July 31, 2024 by Swagatam 9 Comments

level2Bmeter2Bcircuit

In this post I have explained a  LED music power level indicator for indicating a subwoofer bass power range, which can be also modified as an effective dancing Electroluminescent Wire light show. The idea was requested by Mr. David. Technical Specifications Here’s an idea or suggestion for your projects or what ever lol My son […]

Filed Under: Audio and Amplifier Projects Tagged With: Indicator, Level, LM3915, Music, Power

Up/Down LED Indicator using LM3915

Last Updated on January 8, 2024 by Swagatam 2 Comments

simple2Bup2Bdown2Bcontroller

This circuit can be used for moving an LED bar graph in the upward sequence or downward sequence through a couple of push button switches. The concept can be implemented for many other useful applications. Using IC LM3915 In many circuit applications we require a digitally operated control system enabling an upward or downward control […]

Filed Under: Indicator Circuits Tagged With: Down, Indicator, LED, LM3915

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