DFRobot Gravity AHT20 Temperature Humidity Sensor - I2C Interface
The DFRobot Gravity AHT20 is a digital temperature and humidity sensor module featuring an I2C interface, compatible with 3.3V/5V logic systems like Arduino, Raspberry Pi, ESP32, and STM32. It provides high-precision environmental monitoring from -40°C to +85°C.
Features
- High-precision MEMS capacitive humidity sensing element with ±0.1% RH non-linearity.
- Wide operating voltage range from 2V to 5V DC for flexible system integration.
- Standard I2C digital output with a fixed address of 0x38 for simple daisy-chaining.
- Excellent long-term stability with minimal drift (<0.04°C/year).
- Gravity 3-pin interface for plug-and-play connectivity without soldering.
Out of stock
The AHT20 sensor module integrates an advanced MEMS semiconductor capacitive humidity sensor and a calibrated digital temperature sensor. It communicates via a standard I2C interface, providing reliable digital readings with a temperature resolution of 0.01°C. The sensor’s simple peripheral circuit and robust design ensure stable performance even in harsh environmental conditions across its full -40°C to +85°C operating range.
This module is part of DFRobot’s Gravity ecosystem, featuring a standardized 3-pin connector for immediate plug-and-play use with various microcontroller boards. Its low power consumption and digital output make it ideal for precision environmental monitoring in embedded systems and data acquisition setups.
Additional Information
| Weight | 0.011 kg |
|---|---|
| Dimensions | 3 × 2.05 cm |














