Fermion: Temperature and Humidity Sensor Breakout, AHT20

The Fermion: AHT20 Temperature and Humidity Sensor Breakout from DFRobot provides a reliable solution for environmental monitoring. Featuring the advanced AHT20 sensor, it delivers high precision while remaining a cost-effective choice for various applications. Equipped with an improved MEMS semiconductor capacitive humidity sensing element, it ensures accurate and stable readings.

This breakout board communicates via the standard I2C interface (address 0x38), making it easy to integrate with microcontrollers like the DFRduino UNO. It operates across a wide voltage range of 2V to 5V DC, allowing flexible use in different projects. Its simple peripheral circuit design ensures stable performance even in harsh environments, with a temperature measurement range of -40 to 85°C.

Key Features

• Digital output via I2C, simplifying data reading
• Excellent long-term stability and quick response time
• Strong anti-interference ability for reliable operation
• Wide operating voltage range from 2V to 5V DC
• I2C address 0x38 for easy device identification
• Compact breakout board design with 2.54-4P pin header included

The sensor is ideal for measuring environmental temperature and humidity in a variety of settings, from home electronics to automotive systems. Typical applications include HVAC systems, dehumidifiers, testing and inspection equipment, consumer appliances, automobiles, automatic control, data loggers, and weather stations. Its robust design and ease of use make it a practical choice for both hobbyists and professionals.

Contents

• 1x Fermion: AHT20 Temperature and Humidity Sensor Breakout
• 1x 2.54-4P Black Single-Row Pin Header

Please note: This product is for use with development boards such as the DFRduino UNO and is not a standalone device.