LED CHASER with only 4017
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In this video, you will learn how to make led chaser with only 4017.
In normal led chasers for triggering 4017 ic we use 555 timer. But in this led chaser project we don't use 555 timer for triggering. Instead we use tri color led for triggering. Here tricolor led uses different voltage levels for each color. By using this phenomenon, we will add a resistor, so that led doesn't have sufficient voltage level to glow for a color and pulls to low and acts as trigger.
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