CJMCU CCS811-811 air quality monitoring Digital Internal gas sensor
the CJMCU-811 is an ultra-low-power digital gas sensor that integrates a sensor and a CCS801-bit MCU with an analog-digital converter (ADC) for detecting indoor air quality, including carbon monoxide (CO) and a wide range of Volatile Organic compounds (VOCs).
air quality sensor CCS811 characteristics:
CCS811 HDC1080 carbon monoxide CO VOCs temperature and humidity gas sensor
Combo sensors
Module size: 15mm*21mm
Power supply: 3.3V
CJMCU-8118 a gas sensor chip system chip (SSoC) + temperature and humidity sensor, using low-power sensing technology to detect indoor volatile organic compounds (VOCs).
CCS811 CJMCU8118 board schematic structure of the figure we can see that this is not a simple sensor, it has integrated MCU, the sensor has an onboard processing capability, without host intervention, can provide the equivalent level of carbon dioxide or total volatile organic compounds (TVOC) index. At the same time, with the use of separate gas sensors and MCU solutions, CCS811 can save equipment inventory costs as well as up to 60% of the total area of the board.
HDC1080 low power consumption, high precision digital humidity sensor with temperature sensor
DC1080 is a digital temperature sensor with integrated temperature sensor, which can provide excellent measurement accuracy with ultra-low power consumption. HDC1080 supports a wide range of operating power supply voltage, and compared to competitive solutions, the device can provide a wide range of common applications with low cost and low power consumption advantages. Humidity and temperature sensors are factory calibrated.
The relative humidity is 2% (typical)
Temperature accuracy of + 0.2 C (typical)
Excellent stability under high humidity
14 bit resolution
Sleep mode current is 100nA
Ultra-low power consumption can be used in battery powered equipment
high sensitivity, fast heating
Intelligent algorithm calculates TVOC / eCO2 values
I2C signal output, direct communication with the main system
Applications
This device can be mainly used for indoor air quality
monitoring in:
• Smart phones
• Air cleaners and purifiers
• Smart thermostats
• Home controllers
• Smart accessories and IoT devices
Package Included:
1 x CJMCU CCS811-811 Sensor