How to make DTMF Phone Call Control Home Appliance Using Arduino and GSM Module

Things used in this project
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Hardware components
HARDWARE LIST
1 DFPlayer - A Mini MP3 Player
1 Arduino UNO
1 ControlEverything.com 4-CHANNEL RELAY CONTROLLER FOR I2C
2 Resistor 1k ohm
1 Resistor 100k ohm
1 Male/Female Jumper Wires
1 Jumper wires (generic)
1 DC Power Connector, Jack
1 LED Light Bulb, Frosted GLS
1 Fan Accessory, AC Motor
1 Test Accessory, AC Power Adaptor
1 Solderless Breadboard Half Size
How to make DTMF Phone Call Control Home Appliance Using Arduino and GSM Module | GSM DTMF Project
Custom parts and enclosures
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Components

Schematics
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Schematics and circuit diagrams

Schematics and circuit diagrams

Code
Code, Schematics and librery
The article was first published in hackster, April 24, 2021
cr: https://www.hackster.io/embeddedlab786/dtmf-phone-call-control-home-appliance-f84cf5
author: Muhammad Ansar
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