基于STM32F103的ADC1多通道实验，非DMA方式，亲测有效，此文件只配置了3路AD同时输入，有需要的朋友可以通过此文件更改IO口配置，实现更多的ADC通道 -Based on STM32F103 ADC1 multi-channel experiment that haven t used DMA, this file is configured with only 3 way AD input at the same time, if any friend in need can b