Arduino Tutorial #7 (analogRead & Serial Monitor)

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Using a 10 kOhm Potentiometer, we will send a 0 - 5 V DC signal into the Arduino Analog Pin and we will make use of the analogRead instruction to print the corresponding 0-1023 value to the Serial Monitor. Then we will make some changes to the code to provide a conversion from the 0-1023 value to a 0-5 volt value displayed on the Serial Monitor that mirrors the voltage signal coming from the potentiometer.

  1. Pete Vree
  2. arduino
  3. arduino tutorial
  4. arduino uno
  5. analogRead
  6. serial monitor
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Комментарии
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I would like to propose a suggestion which could explain the varying voltage when the potentiometer is fully active. I believe there is a certain tolerance to resistor varying from +1% to usually around 5%-10% from my experience anyway according to the colour bands chart. So the potentiometer could just be cheap and not set very well.

Mo-vobb
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Amazing work, i wish you were my teacher

michaelfrederick