Product information:
The LED lights emit light as the music or other sounds sound, forming a flowing water cycle, and the LED flashes and flows according to the rhythm of the sound.
It shows the functions of cD4017 very intuitively, and the kit is very interesting and practical.
VR1 adjust the sensitivity, note that there are two jumpers that need to be shorted

Note:
Parts are shipped, they need to be welded and assembled by themselves
Various component logos are printed on the PCB board. When welding, pay attention to the direction of the logo on the corresponding PCB board.
The resistance is regardless of direction, but there are different groups of values. Please pay attention to the distinction when welding.
Electrolytic capacitors, LED lights, positive and negative poles, long feet are positive (+), short feet are negative
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.

Do not including battery