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CH552 CH554 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon
![CH552 CH554 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon](https://s5.electrodragon.com/wp-content/uploads/2018/04/CH552-CH554-Mini-Dev-Board-CH55x-Series-01.jpg)