Practical pulse cardiotachometer
A heart-warming and practical technology, applied in measuring pulse rate/heart rate, application, medical science, etc., can solve the problems of low measurement accuracy and large influence factor
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[0015] A practical pulse heart rate meter, mainly composed of a pulse signal module, a single-chip microcomputer system module, an LED display module, an alarm circuit module, and a power supply module; wherein, the pulse signal module, the single-chip microcomputer module, and the alarm circuit are sequentially connected, and the single-chip microcomputer module It is connected with the LED display module; the power supply module is connected with the pulse signal module, the single-chip microcomputer system module, the LED display module and the alarm circuit module to supply power to it respectively. The LED display module is an LED seven-segment code display module. The single-chip system module is mainly composed of 89C51, 12M crystal oscillator, connection key, capacitor, light-emitting diode and single-row pin. Pulse signal module adopts HK-2000A pulse sensor. HK-2000A pulse sensor integrates force sensor (PVDF piezoelectric film), sensitivity temperature compensation ...
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