Description
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