电解水制氢程序，主要用于氢冷发电机组，采用双闭环数字PID控制-Water electrolysis hydrogen production process, mainly for hydrogen-cooled generator sets, dual-loop digital PID control

用单片机实现数模转换功能。本程序有C语言编译！-MCU digital to analog conversion function. This program has a C compiler!