// IoT based Pollution Detecting system using Arduino and android native application
// ist install library for firebase and dht1 sensor in arduino IDE and then open Arduino code.ino file.
// select your port and arduino board and install the code in arduino uno or esp etc.
// now open android studio and run the code to install application in your phone or too build.
// now turn on the hardware and run the application in your phone.
// you can see realtime percentage of all sensor in the application.
// Get alert when sensor have high value.
// user can see realtime footage using camera.
// user can view sensor data using graphs.