AHT20+BMP280 Temperature Humidity Pressure Sensor for Arduino
AHT20+BMP280 Temperature Humidity Pressure Sensor for Arduino
AHT20 + BMP280 High-Precision Environmental Sensor Module for Arduino
Take your microcontroller projects to the next level with this combined AHT20 + BMP280 sensor module. Designed for makers, engineers, and electronics enthusiasts, this compact board delivers accurate real-time readings of temperature, relative humidity, and atmospheric pressure — all in a single, easy-to-connect package compatible with Arduino, Raspberry Pi, and other popular development platforms.
Made in Mainland China.
Key Features
- Dual-Sensor Design: Combines the AHT20 (temperature & humidity) and BMP280 (barometric pressure & temperature) sensors on one convenient PCB.
- High Precision Readings: AHT20 delivers ±0.3°C temperature accuracy and ±2% RH humidity accuracy; BMP280 provides pressure resolution down to 0.01 hPa.
- Wide Operating Range: Operates from -40°C to +85°C — ideal for indoor climate monitoring, weather stations, and IoT projects.
- Wide Voltage Compatibility: Supports 2.0V to 5V supply voltage, making it compatible with 3.3V and 5V microcontroller boards.
- I²C Interface: Simple two-wire communication (SDA/SCL) for straightforward integration into your Arduino or other I²C-capable projects.
- Compact & Lightweight: Small footprint fits neatly on a breadboard or inside an enclosure for embedded builds.
- Plug-and-Play Ready: Onboard voltage regulation ensures stable performance across supported voltage ranges.
Technical Specifications
- Sensors: AHT20 (temperature & humidity) + BMP280 (pressure & temperature)
- Supply Voltage: 2.0V – 5.0V
- Interface: I²C
- Operating Temperature Range: -40°C to +85°C
- High-Concern Chemicals: None
- Condition: Brand New
- Quantity: 1 module
- Origin: Mainland China
Perfect For
- DIY Arduino weather stations
- IoT home automation & climate control
- Greenhouse and grow-room monitoring
- Altitude sensing and outdoor environment logging
- STEM education and hobbyist electronics projects
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Frequently Asked Questions
Q: Is this AHT20+BMP280 sensor module compatible with Arduino and Raspberry Pi?
A: Yes! The module uses a standard I²C interface (SDA/SCL), making it fully compatible with Arduino boards (Uno, Mega, Nano, etc.), Raspberry Pi, ESP8266, ESP32, and virtually any other microcontroller or single-board computer that supports I²C communication.
Q: What measurements does this sensor module provide?
A: This module provides three key environmental measurements: temperature (via both AHT20 and BMP280), relative humidity (via AHT20), and atmospheric pressure (via BMP280). It can also be used for altitude estimation based on barometric pressure readings.
Q: What voltage should I use to power this sensor?
A: The module supports a wide input voltage range of 2.0V to 5.0V, so it works with both 3.3V systems (e.g., ESP32, Raspberry Pi) and 5V systems (e.g., Arduino Uno) without any additional level-shifting components.
Q: Do I need special libraries to use this sensor with Arduino?
A: For the AHT20, you can use the widely available Adafruit AHTX0 library. For the BMP280, the Adafruit BMP280 library works perfectly. Both are available directly through the Arduino Library Manager and are well-documented with example sketches to get you started quickly.