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CO2 temperature humidity VOCs Air quality transmission integrated circuit MCU-8118
Manufacturer
Manufacturer Product Number
MCU-8118
Description
CO2 temperature humidity VOCs Air quality transmission integrated circuit MCU-8118
Package Condition
Original
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Product Details
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[Introduction] This module integrates two sensor chips, CCS811 and HDC1080, on one board. The measurement values of the two sensors can be read separately through IC communication. HDC1080 is a digital humidity sensor with an integrated temperature sensor, which can provide excellent measurement accuracy at very low power consumption. HDC1080 supports a wide operating power supply voltage range and provides low cost and low power consumption advantages for various common applications compared to competing solutions. Both humidity and temperature sensors are factory calibrated. |
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| CCS811 is a low-power micro gas digital sensor that can be used for air quality monitoring. It integrates a metal oxide (MOX) sensor to measure the total equivalent volatile organic compound ETVOCST content and equivalent ECO2 content in the environment. A microcontroller MCU is integrated inside the chip. By reading the temperature and humidity values of the HDC1080 sensor and writing them into the CCS811 internal environment temperature and humidity correction register, the gas content value measured by CCS811 is self-corrected. |
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Product Parameters
HDC1080 parameters
Operating voltage: 3.3V recommended
Operating temperature: -20℃~70℃
Humidity measurement range: 0~100%RH
Humidity sensor accuracy: ±2%RH
Humidity repeatability: ±0.1%RH
Humidity conversion time: 8-bit/2.5ms, 11-bit/3.85ms, 14-bit/6.5ms
Temperature measurement accuracy: ±0.4℃ (ambient temperature 5℃~60℃)
Temperature repeatability: ±0.1℃
Temperature conversion time: 11-bit/3.85ms, 14-bit/6.5ms
IIC communication frequency: 400KHZ
IIC slave address: 1000000x (x is the read and write control bit)
CCS811 parameters
Operating voltage: 3.3V recommended
Power consumption: ≤60mW
IIC communication frequency: 400KHZ
eTVOC detection range: 0~32768ppb
eC02 Detection range: 400~32768ppm
Metal oxide sensitive layer automatic baseline correction time: 24H
Allows configuration and reading of sensor time after power-on
Product Instructions
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[Instructions] ADD: CCS811 slave address selection bit, default low level 1011010x, high level 1011011x (x-bit read and write control bit) RST: CCS811 reset control terminal, low level is valid, connect high level when not in use, do not leave it floating INT: CCS811 measurement end or over-threshold interrupt source output low level WAK: CCS811 wake-up control input terminal, low level is valid SDA: CCS811 and HDC1080 common IIC data signal line SCL: CCS811 and HDC1080 common IIC clock signal line VCC: CCS811 and HDC1080 common power supply terminal |
References
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CO2 temperature humidity VOCs Air quality transmission integrated circuit MCU-8118
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