ES-02        16-LEDs Running Lights Kit   (DC 9V)

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This is a pet project for many school students. The kit creates a visual effect of two lighted "balls" chasing in the clockwise direction.

The trim pot (VR1) allows you to adjust the  running speed over a wide range. 

In this kit, you learn the operation of transistor astable flip-flop circuit  & the operation of  CMOS 4017 decade counter IC