MIT-App-Inventor-with-Firebase

About

A simple smart home setup for controlling appliances from Android app.

Hardware Requirements

• Amica NodeMCU
• 2 channel Relay Module with optocoupler

Software Requirements

• Arduino IDE
• MIT App Inventor

Usage

Setting up the Arduino

• In the smart_room.ino file edit the firebase authentication details and Wifi settings.
• Import the zip files for ArduinoJson and firebase-arduino in the code.
• Upload the code to the NodeMCU board

Setting up the App

• Download .aia file and import it into MIT App Inventor, then edit the Firebase URL
• Build the .apk file, and install.

Issues

• NodeMCU causes some trouble with 5 GHz wifi band, so use the 2.4 GHz wifi band.
• There are some bugs with latest versions of ArduinoJSON, use version 5.13.2