89S52-based single-chip a voltage measurement circuit, the circuit ICL7135 precision, double-integrating A/D conversion circuit, measuring range DC 0- ± 2000 V, the use of LCD liquid crystal display module can be conducted with the PC serial communication

Packet : 31767691icl7135.rar filelist
程序清单，抱歉了，暂时没有C语言的.txt

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