#The7thLiChuangElectricityCompetition#Power meter based on national technology

1. Project function introduction:
The USB ammeter made based on N32G430C8L7+INA199 has an accuracy of 1%. It can check the current when the USB is working. It does not support the 5V meter with fast charging display.
2. Project description:
The project comes from the official training camp of LiChuang EDA. Please refer to [Official case of the training camp] USB ammeter-Jialichuang EDA open source hardware platform (oshwhub.com)
3. Project features
: 0.91-inch OLED screen, with clear and compact display effect;
PCB board adapts to the public version shell;
low-resistance sampling resistor is used to prevent excessive internal resistance from affecting the USB power supply efficiency;
Maximum voltage measurement support: 6V
Maximum measurement current: 2.8A
Support power display
Note: For all project-related designs, please refer to the official training camp link of LiChuang EDA. [Official case of the training camp] USB ammeter-Jialichuang EDA open source hardware platform (oshwhub.com)