Use efm32 microcontroller development inducible Qualcomm qc2.0 fast charging usb voltage meter, voltage and current data the serial port returns, you can also choose to return debugging data

code
....\.cproject
....\.project
....\.settings
....\.........\com.silabs.ide.project.core.prefs
....\CMSIS
....\.....\efm32g
....\.....\......\startup_gcc_efm32g.s
....\.....\......\system_efm32g.c
....\emlib
....\.....\em_adc.c
....\.....\em_cmu.c
....\.....\em_dac.c
....\.....\em_emu.c
....\.....\em_gpio.c
....\.....\em_system.c
....\.....\em_usart.c
....\GNU ARM v4.8.3 - Debug
....\......................\USB-voltmeter.hex
....\inc
....\...\InitDevice.h
....\src
....\...\InitDevice.c
....\...\main.c
....\USB-voltmeter.hwconf
电路
....\efm32.JPG
....\整套设备.JPG
....\最小系统.JPG
....\电路图.JPG
....\电路连接说明.txt
....\诱导前.JPG
....\诱导成功.JPG

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