采用ADC0832芯片和AT98C52单片机设计的多用数字多用表，该源代码可测量电压、电阻、电容，在调试过程中测电压误差较大。-ADC0832 based on AT98C52 single-chip design of the chip and the multi-purpose digital multimeter, which source code can measure voltage, resistance, capacitance, measured in the debugging process of the larger voltage error.