The AM2320 is a high-precision digital temperature and humidity sensor that integrates both sensing and calibration technology to provide accurate, reliable, and stable long-term performance. It combines a capacitive humidity sensing element and a high-precision temperature sensor, connected to a high-performance microprocessor for stable signal output.
The AM2320 communicates via I²C or single-wire serial interface, allowing flexible use in various applications such as environmental monitoring, weather stations, smart homes, and industrial control systems. It features fast response time, excellent anti-interference capability, and low power consumption, making it ideal for battery-powered and embedded projects.
With built-in CRC error-checking and signal calibration, this sensor ensures data accuracy and system stability. Users can connect it directly to microcontrollers such as Arduino, ESP32, or Raspberry Pi using standard I²C communication without additional components.
Features
Measures both temperature and humidity with high precision
Supports I²C and single-wire communication
Fully calibrated digital output with CRC check
Low power consumption and compact size
Excellent long-term stability and fast response
Compatible with Arduino, ESP32, Raspberry Pi, STM32, etc.
Specifications
| Parameter | Description |
|---|
| Operating Voltage | 3.1V – 5.5V |
| Operating Current | 350 µA (950 µA during measurement) |
| Humidity Range | 0 – 99.9% RH |
| Temperature Range | -40°C to +80°C |
| Humidity Accuracy | ±3% RH |
| Temperature Accuracy | ±0.5°C |
| Interface | I²C (default) or Single-Wire |
| Dimensions | 27 × 13 × 6.2 mm (without pin header) |
Applications
Indoor environment and air quality monitoring
Smart home systems and thermostats
Industrial automation and weather stations
HVAC and greenhouse control
Data logging and IoT devices
