Do you know that you can use your hand phone to control most of electrical appliances remotely via SMS concept? Appliances like garage door or gate, room air-conditioner/heater, CCTV camera, lamps or garden's watering system and so on are among them. There are huge examples to name it. Some people use it for industrial application such as Remote DATA Logging (Data Collection) All these are mainly depended on the SMS (Short Messages System) technology coupled with some simple eclectronic circuit (very simple design) application. Though this article may focus to the electrical or electronics enthusiast, with the details and step by step explanation is thoroughly discussed, most people can afford to do it.
