Abstract
Recent technological advancements have made things in an efficient manner. This paper presents the overall design of Dual-tone multi-frequency (DTMF) signaling with little cost and establishes a new pattern for home automation developments. The benefits of a DTMF system is that it may be controlled remotely from afar, effectively saves energy, minimizes human stress. One of the most developing trends in home appliance control innovation is DTMF-based home automation technology using Arduino. In order to make this project work, an Arduino Uno was used. This is primarily about the ATmega328 microcontroller (MCU). It comprises of 14 digital output/input pins, analogue inputs of about 6 ports, a USB port for programming the onboard microcontroller, an ICSP header, a power jack, and a reset button. DTMF can be realized using numerous approaches for example, Discrete Fourier Transform (DFT), and Genetic Algorithm (GA). These techniques are generally analyzed using MATLAB, GUI, and FPGAs. DFT procedure has the shortcoming of power overwhelming and necessitates supplementary hardware. The system design in this project work was implemented with C++ programming languages on the Arduino IDE software. The circuit diagrams were modeled using the use of Proteus software.
Highlights
Recent technological advancements have made things in an efficient manner
The Dual Tone Multi Frequency (DTMF) Decoder, Arduino UNO, and relay module are the key components in this project
The Arduino Uno is based on the ATmega328 microprocessor (MCU).It comprises of 14 digital output/input pins, analogue inputs of about 6 ports, a USB port for programming the onboard microcontroller, an ICSP header, a power jack, and a reset button.It is powered by a 16 MHz crystal oscillator and contains all of the necessary components to support the MCU.It's incredibly simple to use because all we have to do is connect it to a computer with a USB cable, or power it using a conventional AC-to-DC adapter
Summary
Recent technological advancements have made things in an efficient manner. This paper presents the overall design of Dual-tone multi-frequency (DTMF) signaling with little cost and establishes a new pattern for home automation developments. One of the most developing trends in home appliance control innovation is DTMF-based home automation technology using Arduino. The DTMF Decoder, Arduino UNO, and relay module are the key components in this project. We were able to monitor and control numerous home appliances using the interconnection of these components and the usage of a cell phone as a remote [7-9]. This proposed system steers the evolution of home automation in a new direction. We propose a unique System of applications in this project, as well as recent developments in DTMF-based technology in home automation [4]. Dual-tone multi-frequency (DTMF) signaling is an in-band telecommunication signaling system that uses the voicefrequency band to communicate with telephone equipment, other communications devices, and switching centers through telephone lines
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