Product synopsis:

This system includes sensor module, signal processing circuit, the processing circuit, a single chip microcomputer, the LCD panel and rf chip, including sensor module of the output terminal string connect signal processing circuits are followed by MCU input, power handling the input circuit connect external communications power supply, switching processing circuit output termination of single chip microcontroller input, the output terminal respectively after the LCD panel and rf chip input. The utility model is simple in structure, judge accurate, timely.