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Home automation system with bluetooth connection to arduino UNO

This project aims to design and develop home automation system that controls lights, fans and humidifier according to the given thresholds by the user. User can switch on or off manually via bluetooth using his mobile phone.

Components used

  • Arduino UNO
  • HC05 bluetooth module
  • LDR sensor module
  • DHT 22 temperature and humidity sensor
  • 4 channel relay Module
  • I2C flash EEPROM module

Circuit Diagram

Circuit design grp 20