The AHT10 Digital Temperature & Humidity Sensor is a high-accuracy, factory-calibrated environmental sensor designed for reliable temperature and relative humidity measurement. It uses advanced MEMS sensing technology combined with a digital signal processor to deliver stable and repeatable readings. Due to its low power consumption, compact size, and I²C interface, the AHT10 is widely used in IoT devices, weather stations, HVAC systems, and smart home applications.
Core Sensor Specifications
• Sensor Type: Digital temperature and humidity sensor
• Sensor IC: AHT10
• Measured Parameters: Temperature and relative humidity
• Sensing Technology: MEMS capacitive humidity + band-gap temperature sensor
Electrical & Interface
• Operating Voltage: 1.8 V – 3.6 V
• Logic Level: 3.3 V
• Communication Interface: I²C
• I²C Address: 0x38
• Interface Pins: VCC, GND, SDA, SCL
• Factory Calibration: Yes (no user calibration required)
Performance Characteristics
• High measurement accuracy and stability
• Fast response time
• Low power consumption for battery operation
• Reliable long-term performance
Physical Characteristics
• Module Type: Compact PCB-mounted sensor
• Sensor Package: Integrated digital sensor IC
• Small footprint suitable for embedded designs
• Lightweight and easy to integrate
Compatibility
• Arduino Uno / Nano / Mega
• ESP8266 / ESP32
• Raspberry Pi
• STM32 and other I²C-enabled microcontrollers
• IoT and environmental monitoring systems
Key Advantages
• Digital output with no analog noise
• Factory calibrated for accuracy
• Low power consumption
• Simple I²C communication
Technical Insights
• Sensor requires short initialization delay after power-up
• Avoid condensation for accurate humidity readings
• Best results with proper airflow around sensor
• Pull-up resistors required on I²C lines
Applications
• Weather stations
• Smart home and HVAC systems
• IoT sensor nodes
• Data loggers
• Environmental monitoring projects
Pro Tip
• Keep sensor away from heat sources
• Allow sensor to stabilize before logging data
• Use averaging for smoother readings
• Ensure clean I²C wiring for reliability
Package Includes
• 1 × AHT10 Digital Temperature & Humidity Sensor Module