CJMCU-8128 CCS811+SI7021+BMP280 Carbon Dioxide CO2 VOCs Temperature Humidity Gas Pressure Sensor

Description CJMCU 8128 CCS811 HDC1080 SI7021 BMP280Carbon Dioxide CO2 VOCs temperature humidity gas pressure sensorThree in one sensorModule size 15mm 21mmPower supply 3 3VCJMCU 8128 a gas sensor chip system chip SSoC temperature and humidity sensor using low power sensing technology to detect indoor volatile organic compounds VOCs From 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 sensorDC1080 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 humidity14 bit resolutionSleep mode current is 1