Home Automation System Using Quectel EC200U: Control Relays via DTMF & SMS with Call End Feedback

Описание: Welcome to Yarana IoT Guru! In this video, we will build a smart home automation system using the Quectel EC200U GSM module and Arduino. With this project, you can control home appliances like lights, fans, motors, and security systems remotely using DTMF (Dual-Tone Multi-Frequency) signals, SMS commands, and even receive feedback messages after a call ends! 📱💡

Download Code : - https://yaranaiotguru.in/build-a-smar...

📌 YouTube Video Timestamps:
⏳ 00:00 – Introduction 📢
Overview of Home Automation System using Quectel EC200U
Features: DTMF & SMS relay control, Call End Feedback
What you'll learn in this video
⏳ 00:38 – Project Demo 🎬

Live demonstration of DTMF-based relay control via a phone call
SMS commands to turn ON/OFF relays
Call End Feedback System in action


Required components: Quectel EC200U, Arduino, Relays, GSM SIM, Power Supply
How to connect the Quectel EC200U to Arduino
Explanation of relay wiring and mobile network setup
⏳ 01:22 – Code Explanation 💻

Understanding AT Commands for EC200U
DTMF tone detection & relay switching
SMS parsing & EEPROM storage
How the Call End Feedback System works
⏳ 13:47 – Final Testing & Results ✅

Testing SMS-based relay control
Live DTMF tone testing and debugging
Checking the call end feedback message
⏳ 15:29 – Outro & Next Steps 🚀

Summary of the project
How you can modify the code for advanced features
Subscribe to Yarana IoT Guru for more IoT projects

This wireless relay control system is an advanced IoT (Internet of Things) automation project, ideal for anyone looking to implement mobile-controlled home automation. With DTMF-based relay switching, you can toggle appliances ON/OFF in real-time during a phone call, and with SMS automation, you can control appliances even when you're away from home. Additionally, the system logs all activities in EEPROM for tracking relay usage.

🔹 Features Covered in This Video:

🔹 DTMF-Based Relay Control – Turn relays ON/OFF in real-time by pressing keys on your phone during a call 📞🔄
🔹 SMS-Controlled Home Automation – Send simple text messages to switch devices ON/OFF remotely 📲🔧
🔹 Call End Feedback System – Automatically receive an SMS showing which relays were toggled after the call disconnects ✉️✅
🔹 EEPROM Logging & Storage – Track relay status and user interactions even after power loss 🔄💾
🔹 Quectel EC200U Setup & Configuration – Learn how to initialize and use the GSM module with Arduino 🔗🔍
🔹 Remote Monitoring & Wireless Switching – Control devices from anywhere in the world via mobile networks 🌍📡
🔹 Failsafe & Optimized AT Commands Handling – Prevents errors and ensures stable communication with the EC200U ✅

📌 Why Should You Watch This Video?

This tutorial is perfect for IoT enthusiasts, DIY home automation builders, embedded systems learners, and electronics hobbyists. Whether you want to control electrical appliances, design a smart security system, or integrate remote automation into an existing setup, this project provides a step-by-step guide to make it happen.

🔧 This video is best for:
✔️ DIY Home Automation Projects 🏠
✔️ IoT & Smart Home Enthusiasts 📡
✔️ GSM-Based Wireless Control Systems 📲
✔️ Electronics & Embedded Systems Learners 🔌
✔️ Security System & Remote Access Development 🔐

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