C8051F120 实现四路的 差分ADC 采集，并且把其中的两路通过串口UART发送到电脑上。其中有通信方法RS232 说明和LabVIEW2010的上位机示波器。oscillograph-C8051F120 Different ADC DAQ LabVIEW 2010 Communication RS232 UART wavefrom oscillograph

差分电路 适用没有负电压 差分输入电路。此电路图为跟随并未方法，需要放大的话更改反馈电阻即可(Differential circuit is suitable for differential input circuit without negative voltage. The circuit diagram shows that there is no way to follow it. If amplification is needed, the feedback resistanc