Multi-channel voltage measurement system based on STM32 chip

The invention discloses a multi-channel voltage measuring system based on an STM32 chip. The measuring system comprises an STM32 module, an LCD module, an SD card module, a key interruption module andan ADC matching module, wherein the STM32 module not only serves as a core controller, but also comprises an ADC device and an STM32 minimum system circuit, the LCD module comprises an LCD driving interface circuit, and the SD card module comprises an SD card driving circuit, and the STM32 module is respectively connected with the key interruption module, the ADC matching module, the LCD module and the SD card module. The stability and the accuracy of the multi-channel voltage measuring system are improved. 本发明公开了种基于STM32芯片的多路电压测量系统，所述的测量系统包括STM32模块、LCD模块、SD卡模块、按键中断模块、ADC匹配模块，所述STM32模块不仅作为核心控制器，还包括ADC设备和STM32最小系统电路，所述LCD模块包括LCD驱动接口电路，所述SD卡模块包含SD卡驱动电路，所述STM32模块分别与所述按键中断模块、ADC匹配模块、LCD模块、SD卡模块电连接。本发明提高了多路电压测量系统的稳定性，准确性。