AM2301 Capacitive Digital Temperature & Humidity Sensor

The AM2301 Capacitive Digital Temperature & Humidity Sensor, also known as the DHT21, is a common sensor known for its relatively high accuracy in temperature measurement and its simplicity in interfacing with microcontrollers. Here's a breakdown of its features and specifications:

  Features:  

• 4-pin package.
• Ultra-low-power.
• No additional components are required.
• Excellent long-term stability.
• Digital output for humidity and temperature.
• Interchangeable and calibrated.
• Suitable for long-distance signal transmission.

  Specifications:  

• Model: AM2301
• Supply Voltage: 3.3 ~ 5V
• Average Current Consumption: 300μA
• Humidity Range: 0 ~ 99.9% RH
• Humidity Precision: ±3% RH
• Output Type: Digital (1 wire)
• Operating Temperature: -20 ~ +60°C
• Cable Length: 20cm
• Dimensions: 60mm x 27mm x 14mm
• Weight: 15g

  Package includes:  

• 1 x AM2301 Capacitive Digital Temperature & Humidity Sensor

This sensor is commonly used in various projects and is well-supported by the Arduino community through the DHT library. It provides a convenient way to measure both temperature and humidity with a high degree of accuracy and reliability.