Arduino Controlled Radio Doorbell

Using radio communication and an mp3 player based speaker system you can make a fully functional doorbell.

Supplies

- 2 Arduino Nano/Uno/Mega/Due

- 2 nRF24

- 1 or 2 Speakers

- 1 Mp3 Player Module

- 1 Pushbutton

- 1 1k Ohm Resistor

- 2 breadboards

- 23 Jumper Wires

Step 1: YouTube Tutorial

Step 2: Code

Step 3: Schematic