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Recent content by wencuan

  1. W

    TCRT1000 doubts, researching about pulse rate monitor

    Re: TCRT1000 doubts yup i able to get the HR by using that circuit... a normal IR with a wavelength of 950nm and any phototransistor will do to...
  2. W

    TCRT1000 doubts, researching about pulse rate monitor

    hai everyone!! i am currently researching about pulse rate monitor and encounter this site https://hrsensor.wordpress.com/2008/04/28/sensor-report-reflective-optical-sensor-tcrt1000/ i did an experiment on the circuit and it works but i am wondering why the infra red transmitter is being...

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