3.69 €
In Stock
Replacement Temperature and Humidity Sensor SI7021 HTU21D SHT21 SHT20 HDC1080
Brand: satkit
3.69€
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Temperature and Humidity Sensor Module Replacement for SI7021 HTU21D SHT21 SHT20 HDC1080
This sensor is an accurate and easy-to-use solution for measuring ambient temperature and humidity, designed to replace popular models such as SI7021, HTU21D, SHT21, SHT20 and HDC1080. It is ideal for electronics projects, weather stations, control systems and data logging.
Key features:
- High accuracy in temperature and humidity measurements.
- Simple communication via I2C protocol with just two data lines.
- Easy connection with four pins: VCC, GND, SDA and SCL.
- Compatible as a direct replacement for SI7021, HTU21D, SHT21, SHT20 and HDC1080 sensors.
Technical specifications:
- Interface: I2C
- Connections: 4 pins (VCC, GND, SDA, SCL)
- Applications: weather stations, environmental control, humidity systems, Arduino projects
Typical uses:
- Environmental measurement in DIY and professional projects.
- Integration into Arduino-based weather stations.
- Humidity control and monitoring in automated systems.
- Simple replacement of older sensors to improve accuracy.
Compatibility:
This module is compatible with Arduino boards and other microcontrollers that support I2C communication. Its design makes it easy to directly replace SI7021, HTU21D, SHT21, SHT20 and HDC1080 sensors without any additional modifications.
Package contents:
- 1 x Temperature and Humidity Sensor Module Replacement for SI7021 HTU21D SHT21 SHT20 HDC1080
This sensor is a reliable option for those looking for accuracy and easy integration in electronic projects related to environmental measurement.
- High accuracy in temperature and humidity measurements
- I2C communication with just two data lines
- Simple connection with four pins: VCC, GND, SDA and SCL
- Compatible replacement for SI7021, HTU21D, SHT21, SHT20 and HDC1080
- Ideal for weather stations and Arduino projects
Customer Questions & Answers
What are the physical dimensions and weight of the module?
The module measures approximately 15 mm x 13 mm x 2.5 mm and weighs around 1.2 g. Its compact size makes it ideal for embedded projects or space-constrained systems.
How should the sensor be installed correctly to obtain accurate readings?
It is recommended to solder the module onto a PCB, position it in a place with airflow and free from direct heat sources or localised moisture. Avoid enclosed housings so as not to affect response time and measurement accuracy.
What considerations should be taken into account regarding the sensor's durability and maintenance?
The sensor is sensitive to dust contamination and extreme humidity. It should be kept free from dirt and cleaned without solvents. In harsh environments, a filter or micro-perforated enclosure is recommended. Its service life may be reduced by exposure to conditions outside the specified operating range.
Is this sensor compatible with Arduino?
Yes, the sensor uses I2C communication and is compatible with Arduino boards that support this protocol.
How many pins does it need for connection?
The sensor requires four pins: VCC, GND, SDA and SCL to operate.
Can I use this sensor to replace a SI7021?
Yes, this module is designed to directly replace SI7021 sensors and other similar models.
What applications is this sensor suitable for?
It is ideal for weather stations, humidity control systems, data logging and environmental sensing projects.
What type of communication does the sensor use?
The sensor uses I2C communication, which makes integration with microcontrollers and electronic systems easier.
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