The lazy hanging neck fan is developed with a single-chip microcomputer. It can be adjusted in 360 degrees, freely control the direction, and has a special shaft design. The wind is divided into 3 levels, soft to the neck, and moves with you. USB interface for convenient charging!
Lazy hanging neck small fan PCB structure description
1. Free light: press 1 time to make the light colorful; press 2 times to fix the color; press three times to turn off.
2. Wind speed gear position: Long press to open the first wind; press 2 to block the wind; press 3 to block the wind; long press to end the work.
3. LED lights: blue light flashing-working status; blue light flashing-charging completed; red light flashing-insufficient battery; red light flashing-charging; no display-shutdown state.
4. USB charging interface: mobile power, charger, car USB interface, notebook, etc. interfaces can charge the lazy hanging neck fan.