Thermistor Sensor Module Interface With Arduino

 

 

Thermistor 1

 

 

Description:

Thermistor Sensor Module is used to sense temperature and convert it into output signals. It is associated with both analog output pin and digital output pin labelled as AO and DO respectively on the board. Thermistor Sensor Module is made of semiconductor materials. Basically thermistor sensors are mostly Negative Temperature Coefficient (NTC), which means NTC thermistors will have their electrical resistance decreased when subjected to an increase in body temperature. This module has a potentiometer knob that can be adjusted to change the sensitivity of thermistor towards temperature.

 

 

Specifications:

  • Input Voltage: DC 3.3V to 5V
  • Output: Analog and Digital
  • Sensitivity Adjustable
  • Size: 32mm x 14mm x 5mm

 

 

 

 Pin Definition

 

Thermistor2

Thermistor3

 

Sample Hardware Installation

 

Thermistor4

 

 

Sample Source Code

 

 

 

void setup()

{

  Serial.begin(9600);

}

 

void loop()

{

  unsigned int AnalogValue;

  AnalogValue = analogRead(0);

  Serial.println(AnalogValue);

  delay(1000);

}

 

 

Open Serial Monitor

 

Thermistor5 Thermistor6

 

 

Result

Thermistor7

 

The readings shown on Serial Monitor when thermistor approaches something warm.

 

Thermistor8

 

The readings shown on Serial Monitor when thermistor is left in a room.

 

 

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