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Recent content by abbaszandilak

  1. A

    current and voltage of TEMD5020X01 respons

    Your kindness is greatly appreciated. My main goal is to measure the RPM and my mindset is to connect the photodiode to Arduino and count the pulses in a period but I thought I should use a resistor in the circuit to prevent the damage to Arduino.is it possible to give me some hints?is it...
  2. A

    current and voltage of TEMD5020X01 respons

    thanks for your attention. I want to make a high-speed optical tachometer This sensor TEMD5020x01 is going to couple with a 5mw laser and when the compressor blade is crossed the sensor visor it will reflect the laser ir beam and give me a response to measure the RPM. know I want to make up the...
  3. A

    current and voltage of TEMD5020X01 respons

    thanks for your attention. I want to make a high-speed optical tachometer This sensor TEMD5020x01 is going to couple with a 5mw laser and when the compressor blade is crossed the sensor visor it will reflect the laser ir beam and give me a response to measure the RPM. know I want to make up the...
  4. A

    current and voltage of TEMD5020X01 respons

    thanks for your reply and your time but my main problem is that I don't have any definition of the amount of responses to select the appropriate resistance and capacitor and how i should know this.
  5. A

    current and voltage of TEMD5020X01 respons

    hi there. As you know TEMD5020x01 is a photodiod and when the sensor goes under an IR exposure it will make a response but it is so important for me to know the amount of the response to find out is possible to couple the sensor with Arduino or select another approach is the solution. thank you...
  6. A

    making a high speed tachometer

    thank you sir for your reply. the number of blades or 7 but I paint them 5 black and 2 silver to reflect the light.the reluctance sensor that you mentioned can operate at this speed?
  7. A

    making a high speed tachometer

    hi everyone. i want to make a tachometer with arduino mega. my main approach is using IR receiver and transmitter to capture the radial compressor blades' movement and I'm using BRQM100-DDTA sensor but I have some troubles like the sensor malfunctioning at high speeds.do you have any...
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