通过ADC0809的通道0（IN0）采集电位器的值，并将其处理后通过DAC0832输出，该输出直接接到ADC0809的通道1（IN1），并将IN0和IN1采集的数据分别在LED和CRT上显示。-ADC0809 passage through 0 (IN0) Acquisition potentiometer value and processed through the DAC0832 output, the output of the channel directly ADC0809 received 1 (IN1), and IN0 and IN1 data collected in the LED, and CRT display.