ABOUT THIS PROJECT
STORY:
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air. It is toxic to haemoglobin animals (including human). 0In the atmosphere, it is spatially variable and short-lived, having a role in the formation of ground-level ozone.
Carbon monoxide is a deadly gas that can be generated in your own home without your knowledge. It is odorless, colorless, and tasteless, which makes it very difficult to detect. Appliances such as space heaters, gas stoves, furnaces, heaters, and refrigerators can all emit CO if poorly ventilated.
Description of Sensor: This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.
This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.
This sensor comes in a package similar to our MQ-3 alcohol sensor, and can be used with the breakout board below.
THINGS REQUIRED TO MAKE THIS PROJECT
| Jumper Wires Standard 7″ M/M | 1 |
| FTDI Basic Breakout – 5V | 1 |
| Carbon Monoxide Sensor – MQ-7 | 1 |
| USB Female Type B Connector | 1 |
| Arduino Pro Mini 328 – 5V/16MHz | 1 |
| Gas Sensor Breakout Board | 1 |
| USB Cable A to B | 1 |
| Serial Enabled 16×2 LCD | 1 |
| BreadBoard | 1 |
| 10K Ohm Resistor | 1 |
SOFTWARE REQUIRED
Let’s Make It!
Let’s Code!
Here is the full source code and other files included in this project.
Download it from the below given link.
https://drive.google.com/folderview?id=0B9_3_xz3L2joV0VISnJjUUgtUlE&usp=sharing
Hope you liked this project!
Happy Interfacing 🙂
Shubham Gupta
TECEX
TECEX 
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Hi Dania, I understand what it is to really laugh out loud on a any topic. But the thing is it depends on nation, cities, town and areas which demands to be taught from the scratch. Here in India there are many technologies which are becoming obsolete because they don’t have much to contribute so this effort of mine is just helping those who are still seeking for a dedicated simple and free services and I not only run this blog but I am an Embedded Engineer in John Deere India.
Thank You so much for your comment.
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