Package parameters:
Power supply voltage: DC 3-5V (USB or 2/3 batteries)
Board size: 8.2*7.5cm
Features:
After the kit is powered on, the left and right wind chimes composed of LED lights will cyclically light up, visually achieving the effect of the hanging wind chimes being blown by the wind and then swinging left and right. The circuit design principle is simple and easy to understand, suitable for novice soldering or school as a starter kit for subject training. The swing speed can be adjusted by replacing the components by itself. The larger the capacitance value of C1 and C2, or the larger the resistance value of R1 and R2, the slower the swing speed.
Circuit diagram:
 

 

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