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IoT Long Range Wireless Analog Digital Converter (3.3 V) — IoT Long Range Wireless Analog Digital Converter (3.3 V) Industrial IoT Wireless Temperature Humidity Sensor Industrial IoT Wireless Temperature Humidity Sensor —

MG-811 CO2 Gas Sensor with I2C Interface

$ 68.95

Features

  • I2C Carbon Dioxide Gas Sensor
  • CO2 Sensing between 350 to 10,000ppm
  • On-Board Signal Conditioning Amplifier
  • On-Board Dual power supply for stable and consistent readings
  • 100KHz to 3.4MHz Communication Speed
  • Modular MG-811 Breakout Board

The MG-811 CO2 Gas Sensor with I2C Interface makes it easy to monitor carbon dioxide gas concentration levels. The MG-811 is connected to an onboard signal condition amplifier and the signal amplifier is connected to an ADC121C 12-Bit Analog to Digital converter, which is capable of expanding to 9 gas sensors per I2C port using just two address jumpers (making full use of the floating address system). This MG-811 CO2 Gas Sensor is less Sensitive to Carbon monoxide(CO) and Alcohol.

This MG-811 CO2 Gas sensor board has a dual onboard power supply. It has one dedicated 6V power supply for the Gas sensor element and one 5V power supply for the Analog interface chip.

The MG-811 CO2 Gas Sensor with I2C Interface is capable of sensing carbon dioxide air concentration levels between 350 and 10,000ppm. The ideal sensing condition for the MG-811 CO2 Gas Sensor is 25°C ±2°C at 65% ±5% humidity. An internal preheater inside the sensor helps achieve the ideal sensing conditions, but the datasheet recommends over 48 hours for preheating to achieve optimal accuracy. Because of the internal preheater, this sensor requires more current than most of our I2C Mini Modules. We measured 139ma for this I2C Mini Module so we strongly recommend planning a powerful strategy for your I2C master device to deliver no-less than 150ma per sensor! This sensor comes pre-calibrated to the datasheet’s recommended values; however, final calibration may be required for accurate measurements, as we do not stock the equipment for full-scale calibration of these sensors.

What is the I2C Interface?

I2C Interface allows you to chain together several devices on the I2C bus, and communicate to each device individually at high speed (subject to the limitations of I2C).  The I2C Interface uses a standard 4-Pin I2C Input and I2C Output connector.  These devices communicate on the power of 5V I2C data and provide 5V DC power through this connector.  The advanced embedded devices use standard I2C communications for all data transport, which is supported by nearly every microcontroller in production today.  The I2C Interface is strictly a 5V standard, which is ideal for transport across longer cables.  The device Package always includes a 6″ (152mm) 4-conductor I2C cable.  The I2C based Mini Modules always include a 3″ (76mm) 4-conductor I2C cable.  Cables and connectors are available separately for designers who would like to include their own I2C Interface into their designs.

Plug and Play Connectivity

These advanced Embedded devices will plug into any available I2C Output.  This includes just about everything we make in the DCube Store IoT Category, including all the other IoT devices.  We also supply a wide range of I2C adapters that make it easy to plug I2C Devices directly into most computing platforms.  The advanced Interface adapters are available for Arduino, Banana Pi, BeagleBone, Bluz, C.H.I.P., ESP8266, Onion Omega, Particle Photon and Electron, PyCom, Raspberry Pi, 2, 3, and Zero, and Windows.  We are always working to add new platform support for I2C devices.  These Interface devices are compatible with just about everything in the microcontroller industry.

Unlimited I2C Expansion

Based on our plug-and-play I2C interface standard, all the I2C devices which are equipped with the above protocol output ports, making it easy to expand to a wide variety of sensors, current monitors, relay controllers, PWM controllers, and much more!  We are always designing new expansions for our modular plug-and-play I2C framework.  We are dedicated to building a product line of interconnected devices to simplify all forms of automation.  Re-use or upgrade your hardware within seconds by selecting the modules that best fit your needs, and chaining them together using the included I2C expansion cables!

Powering I2C Interface Devices

Some I2C devices require an external power supply, others may be powered through the 4-Pin I2C bus connector at 5VDC, and other devices are jumper selectable between external and I2C bus power.  All I2C mini-modules are powered through the 5V I2C bus connector, greatly simplifying connectivity.

 

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