10K Thermistor Temperature Sensor Module(4 Pin)
π‘οΈ 10K Thermistor Temperature Sensor Module (4-Pin)
π Overview
The 10K Thermistor Temperature Sensor Module is a temperature sensing module based on a 10KΞ© NTC thermistor.
π It is widely used in:
π‘οΈ Temperature monitoring systems
π€ Arduino & IoT projects
π Smart home automation
π Battery temperature protection
π§ Working Principle
The module uses an NTC thermistor (Negative Temperature Coefficient):
π‘οΈ Temperature β β Resistance β
βοΈ Temperature β β Resistance β
π This follows the concept of Negative Temperature Coefficient
The module converts resistance changes into:
π Analog voltage (AO)
π Digital signal (DO) using comparator
π Infographic Summary
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β π‘οΈ 10K THERMISTOR MODULE β
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β π― Measures: Temperature β
β π Type: NTC (10KΞ©) β
β β‘ Voltage: 3.3V β 5V β
β π Output: Analog + Digital β
β π Response: Fast β
β π Adjustable threshold β
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π Pin Configuration (4-Pin Module)
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β Thermistor Module β
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β VCC β 3.3V/5V
β GND β Ground
β AO β Analog Output
β DO β Digital Output
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βοΈ Key Specifications
π Resistance: 10KΞ© at 25Β°C
β‘ Operating Voltage: 3.3V β 5V
π Output:
Analog (temperature value)
Digital (threshold trigger)
π― Temperature Range: ~ -20Β°C to 100Β°C
β± Fast response time
π Onboard potentiometer for sensitivity
π Key Features
π‘οΈ Accurate temperature sensing
π§ Easy to use with microcontrollers
π Dual output (analog + digital)
π° Low cost
π¦ Compact module
π§ͺ Applications
π‘οΈ Temperature monitoring systems
π Smart thermostats
π Battery temperature sensing
π€ Robotics projects
βοΈ Cooling fan control
π₯ Overheat protection systems
π Interfacing
Compatible with:
π΅ Arduino
π‘ ESP32 / ESP8266
π Raspberry Pi (with ADC)
π Use:
AO β precise temperature reading
DO β threshold-based switching
π Working Example
π Temperature Control System:
Temp rises β resistance decreases
Voltage changes β microcontroller reads
Fan/alert turns ON when threshold reached
β οΈ Important Notes
β οΈ Requires calibration for accurate temperature
β οΈ Non-linear response (use formula or lookup table)
β οΈ Analog output may need filtering
β οΈ Less accurate than digital sensors (like DHT/BME)
π Thermistor vs Digital Temperature Sensor
| Feature | Thermistor Module | Digital Sensor (e.g., DHT11) |
|---|---|---|
| Output | Analog/Digital | Digital |
| Accuracy | Moderate | Higher |
| Speed | Fast | Moderate |
| Complexity | Simple | Slightly complex |
π‘ Pro Tip
Use SteinhartβHart equation for better accuracy
Place sensor away from heat sources for correct readings
π Ideal for low-cost temperature sensing projects
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