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“Till now you have seen many different kind of Home automation using Smart phone, Blynk, Google Assistant, Alexa, Google Firebase or even local MQTT server based as well. But what if I tell you that there is one more method …
“A low cost air quality monitoring device created with an aim to detect pollution hotspots caused due to traffic jams or factory emissions. Foreword The journey of this project began during a ‘Design Thinking’ project with a motive to design …
“The internet is full of tutorials on how to read digital and analog sensors, now it is time to do something useful with this data. Story While working very concentrated on projects (like this one) it happens quite often to …
“Android application monitoring system for GreenHouse, several sensors for reading data and send to application. This project helps you to look at your greenhouse. It consists of sensors: - DHT11 (temperature and humidity), - MQ-135 (Air Quality), - Soil Moisture . The sensors …
“Let’s discover a set of low-cost gas and pollution detectors that may be easily accessed from the Arduino World. Detecting and measuring pollution and the main gases (the ones we may come across in our daily life) is always …
“Hi everyone my name is Andrew, and this is my recent project. It was about detecting toxic gases inside our car. So, the main part of this device is a VOC sensor. It was used to detect the density of …
“The meter calculates the temperture, humidity and carbon dioxide en shows the result on a small display. It also collects the data en sends it to a database. I also created a small website which displays all this data in …
“This simple project is to monitoring the air quality with NodeMCU and MQ135 sensor. The ppm value displayed to Cayenne. With Cayenne we can add some trigger without code. This simple project is very easy to beginner (even I’m …
“This instructable is a brain child that I just had to share with the world. Bad air quality causes various health problems and purification solutions are often complex and expensive. The solution is an open source no nonsense air purifier …