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1 )Overview
Smoke Detectors are very useful in detecting smoke or fire in buildings, and so are the important safety parameters. It sensible to to flammable gas: Alcohol, and Methane etc. The voltage that the sensor outputs change according to the smoke/gas level that exists in the atmosphere. The sensor outputs a voltage that is proportional to the concentration of smoke/gas. In other words, the relationship between voltage and gas concentration is as following:
- The greater the gas concentration, the greater the output voltage
- The lower the gas concentration, the lower the output voltage
In this DIY Lesson, we’ll learn how to monitor the smoke detector from remote browser
2) Hardware Preparation
|
Quantity |
| OSOYOO Basic board |
1 |
| Ethernet Shield W5100 |
1 |
| USB cable |
1 |
| Gas sensor module |
1 |
| Jumper wires |
several |
| Breadboard |
1 |
3) Hardware connection
Connect the Gas detector sensor with OSOYOO Basic board as following diagram:
| OSOYOO Basic board |
Gas detector sensor |
| A0 |
AO |
| GND |
GND |
| 5V |
VCC |
4) Software Installation:
Download the sketch file from https://osoyoo.com/driver/ethernet_iot/lesson9/w5100-lesson9.zip
unzip the file and double click the w5100-lesson9.ino file, load the sketch into IDE.
Open your Serial Monitor, you can see your router will assign an IP address to your mainboard as following:
In above example, 10.0.0.45 is the IP address of my mainboard .
Now use another computer or your cell phone’s browser to visit url : http://10.0.0.45
Your browser will show following result:
