基于ICCV7-AVR，用AD0834测量4路电压，I2C存储，并通过串口显示电压测量值，原创，有工程文件并附带Protues仿真-Measuring the voltage of the 4-channel I2C storage, use the AD0834 based on ICCV7-AVR, and voltage measurement values ​ ​ through the serial port shows original project file