DTMF DUAL TONE MULTI-FREQUENCY SIGNALING-EEE


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Remote position control system of stepper motor using DTMF technology
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Stepper motor is found in a lot of applications such as computer peripherals, business machines, process control, machine tools and robotics. Especially in different areas of robotics, process control like silicon processing, IC Bonding and Laser trimming

Feasibility study of dtmf communications for robots
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This technical report summarizes a year-long undergraduate research project by the first author. As the development of individual and cooperating autonomous robots advances, the need for a robust and reliable communication method becomes apparent. This paper

Experimental validation of DTMF decoder electronic circuit to be used for remote controlling of an agricultural pump system
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This work investigates the implementation and experimental analysis of practical DTMF decoder electronic circuit that can be used for remote controlling of agricultural pump system or other applications. A DTMF tone command sent from a transmitting fixed or mobile phone

Remote controlling of an agricultural pump system based on the dual tone multi-frequency ( DTMF ) technique
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In modern days, as a result of advances in technology, human beings are interested to remotely control different systems and applications. In this work, telephone signalling technique using Dual Tone Multi-Frequency ( DTMF ) signalling, is used to control switching

Performance Analysis of the DTMF Detector based on the Goertzels Algorithm
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The subject of this paper is performance analysis of DTMF signal detector. There are many algorithms for DTMF detection, and among all of them the chosen one is Goertzels algorithm. It is very often used in practical realizations and it is one of the simplest algorithms

Wireless position tracking of a DTMF based mobile robot using GSM and GPS
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The advent of new technologies has revolutionized the era of embedded system design in a way that every user is surrounded by smart devices (robots) which makes their life easier and comfortable. It has also been predicted by the researchers that by 2020, there will be

A Discrete Fourier Transform Based Digital DTMF Detection Algorithm
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We present a new type of digital Dual-Tone Multifrequency ( DTMF ) detection scheme based on the Goertzel DFT algorithm. This detection scheme is more robust and cost-effective than conventional analog detection techniques. This algorithm is designed to provide optimal

D/A Conversion Using PWM and R-2R Ladders to Generate Sine and DTMF Waveforms
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Many embedded applications require the generation of analog signals. Although separate D/A converter ICs exist on the market today, their extra price makes them prohibitive in cost sensitive embedded control designs. The following application note describes two DAC

DTMF based controller for efficiency improvement of a PV cell relay operation control
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The human mind always needs information of interest to control systems of his/her choice. In the age of highly advanced electronic systems many methods of remotely control systems have been developed, these methods have the problems such as the need for special

Generation and Recognition of DTMF Signals with the Microcontroller MSP430
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The first part of the Application Report describes the generation of DTMF signals using the Microcontroller MSP430. Following an explanation of the most important specifications which are involved, the theoretical and mathematical processes will be discussed with which

Goertzel Algorithm Based DTMF Detection
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DTMF namely Dual Tone Multi frequency is a signaling standard in telecommunication applications that produces two tones simultaneously for each key press. DTMF signaling has many applications such as telephone dialing, data entry, credit checking, voice mail system

DTMF Based Controlled Robot Vehicle
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In this paper, we can control the Robot using Dual Tone Multi Frequency ( DTMF ) technology. DTMF technology is most useful technique at present days. It is worked on to methods digital signal processing (DSP). Wireless-control of robots uses RF circuit that has

DTMF tone generation and detection using goertzel algorithm with MATLAB
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Dual-tone multi-frequency ( DTMF ) signalling is a standard in telecommunication systems. This is a standard where keystrokes from the telephone keypad are translated into dual tone signals over the audio link. It has been gaining popularity for some years now because of its

FFT based DTMF detection by using Spartan 3E FPGA
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DTMF is a method of representing the digits with tones for transmission. Dual Tone Multi Frequency ( DTMF ) tones are used by all touch tone phones to represent the digits on a touch tone keypad. DTMF technology provides a robust alternative to rotary telephone

Low Cost Line Follower Obstacle Detector And Dtmf Tone Robot
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Classical mobile robot control systems are not suitable for use in industrial environments. The high cost of such systems, both to acquire and maintain them, prohibits their adoption. This thesis proposes a new mobile robot architecture and investigates the motion control

Artificial neural network for DTMF decoders
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In this paper, the pattern recognition characteristics of the Artificial Neural Networks (ANNs) are used to realise a real decoder for Dual Tone Multi Frequency signals used in the telecommunication field. A new neural architecture, the Multi Learning Vector Quantization

Design And Implementaion of A Dual Tone Multi-Frequency ( DTMF ) Based GSM-Controlled Car Security
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This paper focused on developing an enhancement of the vehicle antitheft security systems via a Phone call. It is designed to improve vehicle security and accessibility since it can be used to monitor and control other devices in the vehicle. The system will manipulate a

Actuation of Pneumatic Hydraulic System using DTMF Technology
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It has been observed that various automatic systems work on wireless technology. These systems comprise robots, vehicles, home appliances, televisions and other similar equipments. These systems are operated using microwaves, radio waves and infrared

Mobile operated Remote control of PLC based Induction drive using DTMF
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Since the machine has used in the production of the goods, the control and speed of the machine always got the upper hand in it. Initially the control was manual and gradually changed to automatic and now it is turn of remote control. Now days almost all the



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