Hi there. I need a clarification about these temperature sensor :~ I'm working with 2 identical sensor on 2 different Arduino, but with the well-known formula temp = (5 * analogRead(0) * 100.0) / 1024.0 I get different values for the 2 sensors. I know there's a 0.5 ° error in the these values, b…

Clarification about LM35*

robtillaart April 6, 2011, 6:09pm 4

Or use one external Vref for both Arduino's ..

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