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Questions tagged [thermistor]

An electrical resistor whose resistance is greatly reduced by heating, used for measurement and control.

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Does increasing the current make a thermistor more accurate? [migrated]

For example, if the resistance/temperature ranges were fixed to 7500ohms (0C) and 400ohms (70C). At 30mA, the voltage would be 225V (7500ohm), and 12V at (400ohms). If the current was to 50mA, it ...
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Why are my thermistor readings backward?

I'm trying to build a thermistor that will flash an LED when the temperature is above 30 C. My set-up appeared to be reporting the room temperature correctly to the Serial Monitor, but then I noticed ...
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How to include Vref in thermistor temperature calculation?

simulate this circuit – Schematic created using CircuitLab This is the code that I'm using to get the temperature: #define COEFF_A 0.8662984364E-03 #define COEFF_B 2.780704551E-04 #define ...
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Buzzer interfere with thermistor reading

This is how i wired the thermistor and buzzer: simulate this circuit – Schematic created using CircuitLab And the code: #define RT0 10000 #define B 3977 #define R 10000 float RT, VR, ln, TX, ...