USB small fan chip scheme with lithium battery
Scheme features: simple periphery, low cost and customizable function
The new USB handheld small fan MCU scheme based on MCU, Rechargeable Wireless Mini Fan, including fan body, wireless mini fan chip module and lithium battery. Meet the needs of low power consumption, strong wind power, three gear wind power, free switching and silent mode without being afraid of interfering with others.
Switch gear:
Stop gear, motor does not rotate
1st gear, 4.3v
2nd gear, 5V
3rd gear, 5.7v
Protection status: in any gear, when the boost output reaches 10.8V, the voltage will be automatically reduced to 3.5V and restored when 7.5V
Indicator light: the motor indicator light is connected in parallel with the motor to keep synchronization
Colorful light mode (optional)
1. Press the key to turn on the colorful gradient light
2. Press again to turn on the fixed white light
1. Press the key to turn on the first wind
2. Press again to turn on the second gear air
3. Press again to turn on the third gear wind
4. Press shutdown again
The indicator light is red when charging is in progress.
When full, the indicator is green / blue.
Free drawing board, debugging, adjusting software, sending samples,
N9 small fan MCU scheme, hanging neck
fan 3-generation model can be shipped directly. You only need to come up with shell creativity. We help you develop electronic scheme for free to help you get on the market immediately! Give you priority to seize the market!
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