Temperature measurements using Arduino - NTC thermistor - (Arduino Uno Programming for Beginners)

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Temperature measurements using Arduino - NTC thermistor - (Arduino Uno Programming for Beginners)

In this video I will show you how to use an measure the temperature using an NTC and a resistor divider connected to my Arduino Uno R3. I will calculate the ntc voltage, current, resistance as well as the temperature in the end.
  1. Playduino
  2. arduino
  3. arduino uno r3
  4. voltage divider
  5. analogread
  6. arduino programming
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Комментарии
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i fully admire your math skills! Would like to see a practical application - turn on a object (pump, fan, motor)

lastchance
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Thank you for explaining it thoroughly, it was just the video I needed.

sami_-
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Sehr hilfreich, danke! Grüße aus der Donaustadt!

zwurltech
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Good job! Please explain how you get this: "double voltage_ntc = 5.0/1023 * analogRead(A0);"

robertschroder
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Danke für das Video. Ich habe die Schaltung auf mehreren Arduinos ausprobiert und dann auf einen ESP32 gewechselt wegen höherer Auflösung des analogen Signals. 3, 3Volt und Auflösung 4095 habe ich in der Formel eingefügt. Wegen komischer Werte habe ich dann die Berechnung in eine Schleife von 0 bis 4095 gepackt. Ergebnis: In dem Bereich auf den es ankommt (über 200 Grad) kommen nur noch große Abstufungen heraus. Wert 15 = 242, 74 Grad, Wert 14 = 247, 45 Grad, Wert 13 = 252, 6 Grad, Wert 12 = 258, 28 Grad. usw. Wie arbeiten denn 3D-Drucker mit solchen Werten? Kannst Du das erklären, bitte?

reifsiegfried
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What if it is reading 0?
it causes an error (log(0))

Co-uymi