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文章介绍了单片 4 位A/D转换器ICL712 9与PC串口的连接 ,并使用“窃电”实现ICL712 9“无源”工作 ,使ICL712 9优异的性能在计算机自动测控中得以发挥。
The article introduces the connection of the single chip 4-bit A / D converter ICL712 9 to the PC serial port, and uses “stealing electricity” to realize ICL712 9 “passive” work so that the excellent performance of ICL712 9 can be played in the computer automatic measurement and control.