Description:
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.
Circuit principle: 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.Package included:5 x DIY windmill training kit