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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:
Package included:
| NO. | Component Name | PCB Marker | Parameter | QTY |
| 1 | Red LED | D1-D19 | 3mm | 19 |
| 2 | Metal Film Resistor | R1-R4 | 1K | 4 |
| 3 | Button | S1,S2 | 6*6mm | 2 |
| 4 | STC15F104EA | U1 | DIP-8 | 1 |
| 5 | Male Pin | DC | 2P | 1 |
| 6 | PCB | 40*50mm | 1 |
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