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I will try the ice.
I live at about 5700 feet above see level so boiling water would be around 96-98 degrees.
I though of using a medical thermometer around 35 degrees. It has a scale marked off at 0.1 degree intervals.
Hi Brian,
Yes I did compensate for zero offset.
// LM35
TA[0] = TA[0] + analogRead(A0)*vREF/1024*100;
// MCP9700
TA[1] = TA[1] + (analogRead(A1)- 500)*vREF/1024*100;
delay(2);
Regards, Stan
Hi, I'm using Arduino R3 nano to read tempratures from 2 sensors.
A LM35 and a MCP9700.
There is quite a difference between the readings. Which sensor should I believe?
I also have a digital sensor in the room that is reading 22,6.
Sample output.
Thank in advance. Stan
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