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Light Meter Circuit with LED Bar Graph

Last Updated on July 9, 2023 by Swagatam 10 Comments

simplest light meter circuit

In this article I have explained 3 different light meter circuits for measuring power of light. In the first method we will use only a solar cell and a multimeter, in the second method we will use an op amp and a moving coil meter, and in the third method we will see how a […]

Filed Under: Meters and Testers Tagged With: Graph, LED, Light, Meter

Sequential Bar Graph Turn Light Indicator Circuit for Car

Last Updated on January 8, 2024 by Swagatam 167 Comments

SequentialLEDPart2

The article illustrates a simple yet innovative, fancy car turn signal light circuit which produces a rising bar graph sequence effect when switched ON. The circuit idea was requested by Mr. +Bruce Lowry. I have explained more. Technical Specifications I am after a circuit design similar to the LED Bar Graph circuit that is found […]

Filed Under: Automobile Electronics Tagged With: Graph, Indicator, Light, Sequential, Turn

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