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Topic: Temp sensor  (Read 139 times) previous topic - next topic


I purchased this temp sensor.
I googled about how to use it and I saw some had mentioned to use a 4.7k resistor between GND and Signal wires. Is that a must?


I think YES.
But you can find it out by testing with/without the resistor.

Mightbe also depending on the distance between the sensor's planned operational location and your Arduino.
Before you ask:
Did you really read and understand How to use this forum ?
Do you have already some solution or is a part of the problem sitting in front of the screen?  :)


A definite NO. The resistor goes between power and signal, and that is the must.



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