10K Thermistor Temperature Sensor Module(3 Pin)
What Is It?
A temperature sensing module based on a 10K NTC thermistor.
10K means the thermistor has 10,000 resistance at 25C.
Used for analog temperature measurement in electronics and IoT projects.
Key Features
NTC Type: Resistance decreases as temperature increases
Analog Output: Voltage varies with temperature
3-Pin Module: Easy interface (VCC, GND, OUT)
Fast Response Time
Low Cost & Simple Circuit
Compact and easy to integrate
Technical Specifications
Resistance @25C
Parameter | Value |
Sensor Type | 10 k |
Operating Voltage | 3.3 V 5 V |
Output Type | Analog voltage |
Temperature Range | 40C to +125C (typical) |
Accuracy | Moderate (depends on calibration) |
Response Time | Fast |
Pin Configuration (3-Pin)
VCC 3.3V / 5V
GND Ground
OUT (AO) Analog output to microcontroller
Some modules may also include a digital output (DO) if a comparator is present.
How It Works
The thermistor changes resistance with temperature.
The moduut voltage changes according to resistance variation.
Microcontroller reads voltage via ADC.
Temperature is calculated using formulas (e.g., Steinhart'Hart equation).
Working Behavior
Low Temperature High Resistance Higher voltage (in some circuits)
High Temperature Low Resistance Lower voltage
(Behavior depends on circuit configuration, but trend is inverse for NTC)
Applications
Temperature monitoring systems
Battery temperature protection
Home automation (HVAC control)
Industrial temperature sensing
DIY electronics & Arduino projects
Importan> Requires calculation or lookup table for accuracy.
Calibration Improves Accuracy
Sensitive to Noise: Use filtering if needed.
Not as Accurate as Digital Sensors (like DS18B20, SHT series)
Summary
Type: NTC thermistor-based temperature sensor
Resistance: 10K @25C
Output: Analog
Interface: ADC (microcontroller)
Use Case: Simple temperature measuremen

















