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AM2320B digital temperature and humidity sensor module AM2301 SHT21 for Arduino
Brand: satkit
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The AM2320B temperature and humidity sensor for Arduino is an advanced digital module that combines temperature and relative humidity measurement with a simple and efficient I2C interface, ideal for Arduino projects and other compatible microcontrollers.
This sensor stands out for its ease of use and accuracy, outperforming traditional DHT11 and DHT22 sensors thanks to its standard digital communication and high long-term stability.
Key features
- Compact 4-pin package for easy integration.
- Ultra-low power, ideal for low-power projects.
- No additional components required for operation.
- Excellent stability and factory calibration for reliable results.
- Digital output with standard I2C bus interface, making connection and control easier.
- Accurate temperature and relative humidity measurement.
- Signal transmission distance of up to 20 meters, allowing flexibility in sensor placement.
- Fully interchangeable with other similar sensors.
Technical specifications
- Type: AM2320B with single-bus / IIC interface compatible with AM2301 / SHT21.
- Precision resolution: 0.1.
- Humidity measurement range: 0-100% RH.
- Temperature measurement range: -40 °C to +80 °C.
- Humidity accuracy: ± 3% RH.
- Temperature accuracy: ± 0.5 °C.
Typical uses
This module is ideal for electronics and home automation projects that require accurate environmental measurement, such as home weather stations, greenhouse climate control, ventilation systems, and any Arduino project that needs reliable temperature and humidity data.
Compatibility
Compatible with Arduino boards and microcontrollers that support I2C communication. Its simplified interface allows easy integration without the need for complex protocols.
Package contents
- 1 x AM2320B digital temperature and humidity sensor module AM2301 SHT21 for Arduino.
- Compact 4-pin package for easy integration
- Ultra-low power for low-power projects
- Digital output with standard I2C bus interface
- Accurate temperature (-40 to +80 °C) and humidity (0-100% RH) measurement
- High stability and factory calibration
- Signal transmission distance up to 20 meters
- Compatible with Arduino and other I2C microcontrollers
Customer Questions & Answers
What are the physical dimensions, weight and box contents when buying this sensor?
The AM2320B module typically measures approximately 23 mm x 13 mm x 7 mm and weighs around 2 grams. The package includes 1 AM2320B sensor as stated, with no cables or other additional accessories.
How do you connect the AM2320B to Arduino?
The AM2320B connects to Arduino via the I2C interface using the SDA and SCL pins, plus power and ground. It does not require bit-bang protocols, which makes it easier to use.
What is the difference between the AM2320B and DHT22 or DHT11 sensors?
The AM2320B uses a standard I2C interface for communication, unlike the DHT11/DHT22 which use specific protocols. This simplifies connection and improves stability and accuracy.
What is the accuracy of the AM2320B sensor?
The sensor has an accuracy of ±0.5 °C for temperature and ±3% RH for relative humidity, with a resolution of 0.1.
Is the AM2320B compatible with other sensors such as the AM2301 or SHT21?
Yes, the AM2320B is compatible with AM2301 and SHT21 sensors, as it shares the same interface and technical characteristics.
What is included in the package when buying the AM2320B?
The package includes 1 AM2320B digital temperature and humidity sensor module AM2301 SHT21 for Arduino.
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