Description
AHT20+BMP280 Temperature Humidity Air Pressure Module – the ultimate high‑precision digital sensor for accurate environmental monitoring. Combining the reliable AHT20 humidity/temperature sensor with the low‑power, high‑accuracy BMP280 pressure sensor, this module delivers real‑time data for HVAC, weather stations, smart home devices, and industrial automation.
Product Overview
Designed for seamless integration with microcontrollers (Arduino, ESP32, Raspberry Pi) and IoT platforms, the AHT20+BMP280 module offers:
Key Highlights
- Dual‑sensor architecture: AHT20 (±0.3 °C, ±2 %RH) + BMP280 (±1 hPa, 0.1 % accuracy)
- I²C interface – 7‑bit addressable, 400 kHz support
- Ultra‑low power consumption (<1 mA in normal mode, <10 µA in standby)
- Wide operating range: –40 °C to +85 °C, 0–100 %RH
- Compact 3.3 V, 5 V compatible, 1.5 mm pitch for easy PCB mounting
- Factory‑calibrated, 1 % accuracy over full range
- Built‑in self‑test and fault detection for reliable long‑term use
Technical Specifications
- Temperature: ±0.3 °C (AHT20), ±1 °C (BMP280)
- Humidity: ±2 %RH (AHT20)
- Pressure: ±1 hPa (BMP280)
- Power Supply: 2.5 V – 5.5 V
- Power Consumption: 1 mA (normal), 10 µA (standby)
- Package: 4 × 4 mm, 3.3 mm pitch
- Communication: I²C, 7‑bit address (default 0x38)
- Operating Temperature: –40 °C to +85 °C
- Operating Humidity: 0 % – 100 % RH
Applications
Ideal for:
- Smart thermostats & HVAC control
- Weather stations & outdoor monitoring
- Indoor air quality systems
- Automotive cabin sensors
- Industrial process control
- IoT and M2M projects with Arduino, ESP32, STM32, and Raspberry Pi
Why Choose the AHT20+BMP280 Module?
With its dual‑sensor synergy, low power, and robust accuracy, this module simplifies sensor integration while delivering dependable data for critical applications. Whether you’re building a hobby project or a commercial product, the AHT20+BMP280 provides the precision and reliability you need.
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