AM 2301 High-Precision Temperature & Humidity Sensor | Digital Output | Arduino Compatible

The AM2301 Temperature and Humidity Sensor Module is a high-accuracy digital sensor designed for precise environmental measurement and control applications. It provides calibrated digital signal output through advanced signal processing and reliable data transmission.

The AM2301 integrates a capacitive humidity sensor and a thermistor temperature sensor into a single module, ensuring fast response, excellent long-term stability, and high reliability. Its pre-calibrated digital output makes it easy to interface with microcontrollers, Arduino, Raspberry Pi, and ESP series boards via a single-wire data bus.

Ideal for weather stations, HVAC systems, industrial monitoring, and home automation, the AM2301 is a go-to solution for developers who require consistent environmental readings.

Key Features

Measures both temperature and humidity accurately
Fully calibrated digital output signal
Excellent long-term stability and reliability
Single-wire digital interface for easy integration
Fast response and anti-interference design
Wide voltage operating range: 3.3V–5.5V
Low power consumption – perfect for continuous monitoring
Compact, sealed enclosure for durability and easy mounting
Compatible with Arduino, ESP32, ESP8266, and Raspberry Pi

Technical Specifications

Parameter	Specification
Model	AM2301
Power Supply	3.3V – 5.5V DC
Interface Type	Single-wire digital signal
Humidity Measurement Range	0% – 99.9% RH
Humidity Accuracy	±3% RH (Typical)
Temperature Measurement Range	-40°C to +80°C
Temperature Accuracy	±0.5°C (Typical)
Sampling Period	2 Seconds
Signal Type	Digital output
Dimensions	~58 × 26 × 13.5 mm
Cable Length	Approx. 28CM
Housing Material	ABS plastic
Output	Calibrated digital signal (serial data)

Applications

Weather monitoring stations
Indoor air quality systems
HVAC control systems
Industrial and agricultural automation
Smart home and IoT projects
Data logging and environmental sensing

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