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Update: UPS-Lite V1.2 Removed the common serial port function, Optimized battery feed circuit, Ultra-low break over electronic resistanceMOSThe tube power supply control, To improve the battery life.
1. Serial port selection dip switch | 5. 5V output indicator LED |
2. CP2104 serial port chip | 6. MAX17040G |
3. Power supply pin | 7. Fully charged indicator LED |
4. Power switch | 8. Charging indicator LED |