Working voltage: DC 5V
Work effect: speed can be adjusted
Size: 40 x 50mm
Note: it is not soldering finished product, it is diy kit.
The circuit is based on the control of the microcontroller, the microcontroller controls the vertical LED lit, so as to achieve the effect of a windmill rotation, you can change the speed of the windmill flashing through the button.
3 x DIY windmill training kit