이산화탄소 센서 -STC31
(CO2 CLICK)
개요
- 본 제품은 이산화탄소 센서 -STC31 입니다.
- STC31 센서를 기반으로 디자인된 제품으로 I2C 인터페이스를 가지고 있습니다.
- 3.3V/5V 시스템과 사용이 가능합니다.
특징
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HOW DOES IT WORK?
CO2 Click as its foundation uses the STC31, a gas concentration sensor for high range, accurate CO2 measurements designed for high-volume applications from Sensirion. The STC31 is based on a revolutionized thermal conductivity measurement principle, which results in superior repeatability and long-term stability. By relying on the thermal conductivity technology, the sensor offers an ultra-low power consumption, making the STC31 the perfect choice for applications where reliability is key.
The accuracy of the STC31 is 0.5 vol%, and ±3% of the measured value, while the sensor response time is faster than 1 second. The outstanding performance of these sensors is based on Sensirion's patented CMOSens® Technology, which combines the sensor element, signal processing, and digital calibration on a small CMOS chip. The well-proven CMOSens® Technology represents the ideal choice for demanding and cost-sensitive OEM applications.
CO2 Click communicates with MCU using the standard I2C 2-Wire interface to read data and configure settings, supporting Standard Mode operation with a clock frequency up to 100kHz, Fast Mode up to 400kHz, and Fast Mode Plus up to 1MHz. Besides, it also allows the choice of the three least significant bits of its I2C slave address by positioning the SMD jumper labeled as ADDR SEL to an appropriate position providing the user with a choice of 4 I2C Slave addresses.
This Click board™ can operate with both 3.3V and 5V logic voltage levels selected via the VCC SEL jumper. This way, it is allowed for both 3.3V and 5V capable MCUs to use the I2C communication lines properly. However, the Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used, as a reference, for further development.
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Type Gas Applications Can be used for health, environmental, industrial, residential monitoring of high CO2 concentrations and applications where reliability is crucial On-board modules STC31 - gas concentration sensor for high range, accurate CO2 measurements designed for high-volume applications from Sensirion Key Features Low power consumption, high reliability and long-term stability, best signal-to-noise ratio, industry-proven technology with a track record of more than 15 years, high process capability, and more Interface I2C Compatibility mikroBUS Click board size S (28.6 x 25.4 mm) Input Voltage 3.3V or 5V