Questions tagged [pulsein]

refers to the function pulseIn().

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pulseIn on ESP32 return 0 regularly

I'm using pulseIn on an ESP32 for measuring a frequency between 500 Hz and 10 KHz. I measure both the HIGH and the LOW time, as all simple examples suggest. 95% of the time the result is correct, but ...
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Arduino Record pulseIn

I am currently working on a project which requires me to record IR signals. (I realize there is a library available for doing this but I want to learn how to do this myself). I tried using a simple ...
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Getting Heart Rate (BPM) from pulse sensor Arduino

I am new to arduino and trying to display the heart rate (BPM) using Pulse sensor. I have found a code from internet that calculates the heart rate: #include <Wire.h> #include <LiquidCrystal....
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PulseIn tachometer

I tried to create a tachometer for my motorcycle using an Arduino Uno. I am trying to measure the voltage of the ignition coil (stepped down to not destroy the Arduino). I am trying to determine the ...