Applications and Recent Development of DTMF Based Technology in Home Automation


  •   Ayodele S. Oluwole

  •   O. P. Odekunle

  •   E. Olubakinde


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.

Keywords: Arduino, Bluetooth, DTMF Decoder, Home Automation System, Relays


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How to Cite
Oluwole, A.S., Odekunle, O.P. and Olubakinde, E. 2021. Applications and Recent Development of DTMF Based Technology in Home Automation. European Journal of Electrical Engineering and Computer Science. 5, 3 (Jun. 2021), 60–67. DOI: