Build a Smart Home Automation System with Quectel EC200U: Control Relays via DTMF, SMS, and Call Feedback
Introduction: Welcome to Smart Home Automation Imagine controlling your home appliances—like lights, fans, or even security systems—from anywhere in the world using just your mobile phone. Sounds exciting, right? In this detailed guide, I’ll walk you through building an advanced home automation system using the Quectel EC200U GSM module and Arduino. This IoT project lets…