Description In this project we are using Bluetooth, Voice Control App and Relay Module to control the bulb. The App we are using is Aduino Bluetooth Voice Controller to send the commands to the Arduino using Bluetooth. Relay module is a electrically operated switch which requires power supply of 5V to turn ON/OFF. There are terminals mainly--NO(Normally open),NC(Normally closed),COM(Common). NO supply current when relay is activated. NC do not supply current when relay is activated. COM is common between NO and NC and it is a moving part in relay module. Demo Video Working Using App we send voice command to ON/OFF the bulb and it is send through bluetooth connection where HC - 05 Bluetooth Module will recieve the command and pass it to the arduino. And After Receiving the command, current is supplied from arduino to relay module, Inside a relay module the COM part will move due to Induction of electromagnetic field. This will make it work by turning ON/OFF by the given Inst...
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