5 pcs AHT20 and BMP280 Temperature, Humidity and Pressure Modules Compact, precision digital modules combining AHT20 humidity and temperature sensing with BMP280 atmospheric pressure sensing. Each module provides reliable environmental data for development, monitoring and control projects. Key benefits Multiparameter sensing on a single board reduces wiring and board space and simplifies integration. precision digital output for consistent temperature, humidity and pressure readings suitable for monitoring and logging tasks. Readytouse modules that speed up prototyping and deployment for hobbyist and professional projects. Low power operation and compact size make the modules suitable for battery powered and spaceconstrained applications. What the modules do Measure relative humidity and temperature with the AHT20 sensor and atmospheric pressure with the BMP280 sensor. Provide digital outputs compatible with common microcontrollers and single board computers. Deliver stable readings that can be used for environmental monitoring, altitude estimation and local weather sensing. Compatibility and interfaces Designed for use with controllers that support I2C communication. BMP280 also supports SPI on compatible setups. Well suited for use with development boards such as Arduino and Raspberry Pi, as well as ESP32 and other microcontroller platforms. Breadboard friendly form factor for straightforward prototyping and testing. Physical attributes and materials Each unit is a compact PCB module with sensor packages mounted and ready for wiring or header soldering. Lightweight and small footprint for embedding into enclosures, sensor nodes or portable devices. Durable PCB and standard sensor packaging for reliable operation in typical indoor and outdoor electronic projects. Performance highlights Dualsensor configuration provides colocated humidity, temperature and pressure measurements for better environmental context. Digital communication reduces the need for analog conditioning and simplifies data collection. Suitable for use in data logging, control loops and telemetry where consistent environmental data is required. Practical applications Indoor climate monitoring and HVAC control: Monitor temperature, humidity and pressure to support ventilation control, energy management or comfort tracking. Weather station and environmental logging: Combine multiple modules to build local weather stations, track pressure trends and log microclimate data. Robotics, drones and altitude sensing: Use pressure readings for relative altitude estimation while temperature and humidity data improve sensor compensation and performance. What you get Five modules, each integrating AHT20 and BMP280 sensors and ready for integration into projects and prototypes. Notes for integration Use the I2C bus for simple wiring and software libraries available for common platforms. Check the module pinout before connecting power and data lines. Combine readings from both sensors in software to apply compensation or filtering as needed for your application. These modules offer a practical, compact solution for projects that require reliable temperature, humidity and pressure data from the same sensor package.