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Colorful voice controlled rotating LED light DIY soldering kit based on CD4017 chip.
Circuit board: 1.6mm thick 48mm diameter
Supply voltage: 5V DC voltage.
Function Introduction:
The CD4017 IC is a decade counter that counts to ten. It has 10 outputs that represent the numbers 0 to 9. The counter increases with one for every rising clock pulse. After the counter has reached 9 it starts again from 0 with the next clock pulse.
This is a great chip for making running LEDs!
The circuit of this set adopts sound control to run 10 LEDs in rotary format.