DHT22 AAM2302B Temperature & Humidity Sensor Module D1 Mini

DHT22 AAM2302B Temperature & Humidity Sensor Module

The DHT22 (AAM2302B) Temperature & Humidity Sensor Module is a compact, high-accuracy digital sensor designed for electronics enthusiasts, hobbyists, students, and makers. Whether you're building a home weather station, automating a greenhouse, or prototyping an IoT project, this module delivers reliable temperature and humidity readings with minimal setup.

Key Features

• High Accuracy Sensing: Measures temperature and relative humidity with excellent precision — ideal for data-logging and environmental monitoring projects.
• Digital Output: Single-wire digital signal output makes it straightforward to integrate with microcontrollers including Arduino, ESP8266, ESP32, and D1 Mini boards.
• Wide Measurement Range: Covers a broad range of temperature and humidity conditions, suitable for both indoor and outdoor enclosures.
• Plug-and-Play Design: The onboard module format includes a pull-up resistor and power LED, so no extra components are needed — just wire it up and start reading data.
• Compact & Durable: Small footprint fits neatly onto breadboards or into custom enclosures for clean, professional builds.
• Versatile Compatibility: Works seamlessly as a D1 Mini add-on or standalone sensor for virtually any microcontroller platform.

Specifications

• Model: DHT22 / AAM2302B
• Signal Type: Digital (single-wire)
• Operating Voltage: 3.3V – 5V DC
• Humidity Range: 0–100% RH
• Temperature Range: -40°C to +80°C
• Interface: Compatible with D1 Mini, Arduino, Raspberry Pi, ESP32, and more

Perfect For

• DIY weather stations & environmental monitors
• Smart home automation and IoT builds
• Greenhouse and grow-room climate control
• STEM education and electronics learning kits
• Prototyping and maker projects

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Frequently Asked Questions

Q: What microcontrollers is the DHT22 AAM2302B sensor module compatible with?

A: The DHT22 AAM2302B sensor module is compatible with a wide range of microcontrollers, including Arduino (Uno, Nano, Mega), ESP8266, ESP32, D1 Mini, and Raspberry Pi. It uses a single-wire digital interface and operates on 3.3V–5V, making it a versatile choice for nearly any electronics platform.

Q: Do I need extra components to use the DHT22 module?

A: No — the module version of the DHT22 (AAM2302B) comes with an onboard pull-up resistor and power indicator LED already integrated. Simply connect VCC, GND, and the data pin to your microcontroller, load a DHT library, and you're ready to start reading temperature and humidity data immediately.

Q: What is the difference between the DHT22 sensor and the DHT11?

A: The DHT22 (AAM2302B) offers a wider measurement range and higher accuracy compared to the DHT11. It measures temperatures from -40°C to +80°C and humidity from 0–100% RH, making it a better choice for projects that demand greater precision and a broader operating range.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.