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DHT12 Digital Temperature and Humidity Sensor
$39.9500
In stock
SKU
SEN-10-071
Volume discounts:
- +10 3 % $38.7600
- +25 4 % $38.1600
- +50 6 % $37.5600
- +100 7 % $36.9600
- +300 9 % $36.3700
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DHT22/AM2302 Digital Temperature and Humidity Sensor Previous 
The DHT12 Digital Temperature and Humidity Sensor is a compact digital module for measuring environmental temperature and humidity. It combines a capacitive humidity sensor and a thermistor with an internal analog-to-digital conversion chip. The module supports I2C and 1-Wire communication for microcontroller-based electronics projects. It is designed for low-power operation and provides digital output for environmental sensing applications.
Features of DHT12 Digital Temperature and Humidity Sensor
- Compact sensor design
- Low-power operation
- I2C communication support
- 1-Wire communication support
- Digital output
- Capacitive humidity sensing
- Thermistor-based temperature sensing
Specifications of DHT12 Digital Temperature and Humidity Sensor
- Input Voltage: 2.7–5.5V DC
- Working Current: ~1mA
- Standby Current: ~60uA
- Interface: I2C and 1-Wire
- Temperature Range: -20°C to +60°C
- Temperature Accuracy: ±0.5°C at 25°C
- Temperature Resolution: 0.1°C
- Temperature Repeatability: ±0.2°C
- Humidity Range: 20% to 95% RH
- Humidity Accuracy: ±5% RH at 25°C
- Humidity Resolution: 0.1% RH
- Humidity Repeatability: ±1% RH
- Sampling Cycle: > 2 seconds
- Pinout: 1. VDD 2. SDA 3. GND 4. SCL
- 1-Wire Mode: Connect SCL to GND
How to Use DHT12 Digital Temperature and Humidity Sensor
- Connect the sensor pins according to the selected interface.
- Use I2C mode for standard communication.
- Connect SCL to GND when using 1-Wire mode.
- Read temperature and humidity values through the digital interface.
More Info
- Includes an internal chip for analog-to-digital conversion.
- Suitable for microcontroller-based electronics projects.
| Interface Type | Digital, I2C |
|---|---|
| Operating Voltage (V) | 2.7 - 5.5V DC |
| Operating Current (mA) | ~1mA |
| Operating Temp (°C) | -20 to 60 |
| Mounting Type | THT |
| Output Type | Digital |
| Accuracy | ±0.5°C, ±5% RH |
| Resolution | 0.1°C, 0.1% RH |
| Measurement Range | Temperature: -20°C to +60°C, Humidity: 20% to 95% RH |
| Environmental Parameter | Temperature And Humidity |
| Probe Type | Temperature and humidity sensor |
| Chipset | DHT12 |
| Humidity Range | 20% to 95% RH |
| Relay Output | No |
| Humidity Accuracy | ±5% RH at 25°C |
| Protocols | I2C, 1-Wire |
| Temp Accuracy | ±0.5°C at 25°C |
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