DTMF - Búsqueda para electrónicos
https://www.pablin.com.ar/electron/circuito/computer/dtmfrx
dtmf 8 dtmf decoder with eight relays circuit diagrams. Search DIY electronic projects and circuit diagrams with descriptions. Learn electronics.
http://www.high-voltage-lab.com/search/dtmf-8-dtmf-decoder-with-eight-relays
Our DTMF decoder can be powered from a 9V battery or from your parallel printer port. It can detect and display all 16 DTMF digits on your computer screen in real-time. The Window's program can be placed in the minimize mode and still detect tones while you use your computer to do other things like Net surfing!!!! We are now in the process of adding an DTMF decoder which will interface to the sound card gameport.......
http://www.electronics-diy.com/electronic_schematic.php?id=171
EDN is a leading source for reliable electronics design ideas, articles, how to articles and teardowns. Read EDN.com for the latest information on analog design, automotive design, communications and networking design, consumer electronics design, integrated circuit design, LED design, medical electronics design, electronics power management design, sensor design, electronic systems design, and electronics test and measurement........
http://www.edn.com/design/other/4356494/EDN-Access--10-13-94-DTMF-coder-makes-low-cost-sine-wave-generato
https://i0.wp.com/bestengineeringprojects.com/wp-content/uploads/2015/02/circuit-diagram-of-dtmf-coder.png
https://circuitdigest.com/microcontroller-projects/dtmf-controlled-robot-using-arduino
http://dangerousprototypes.com/blog/2013/09/26/dtmf-decoder-test-circuit
In this project we are going to build a cell phone controlled robot using 8051 microcontroller. Cell phone controlled robot runs over mobile DTMF technology. DTMF stands for Dual Tone Multiple Frequency.
https://circuitdigest.com/microcontroller-projects/cell-phone-controlled-robot-using-8051
Today, most telephone equipment use a DTMF receiver IC. One common DTMF receiver IC is the Motorola MT8870 that is widely used in electronic communications circuits. The MT8870 is an 18-pin IC. It is used in telephones and a variety of other applications. When a proper output is not obtained in projects using this IC, engineers or technicians need to test this IC separately. A quick testing of this IC could save a lot of time in research labs and manufacturing industries of communica.......
http://www.electronics-diy.com/electronic_schematic.php?id=170
This cellphone based water pump remote controller is built around DTMF decoder IC MT8870 (IC1), timer NE555 (IC2) and a few other components...
http://electronicsforu.com/electronics-projects/hardware-diy/cellphone-based-remote-controller-water-pump
dtmf control circuit diagrams. Search DIY electronic projects and circuit diagrams with descriptions. Learn electronics.
http://www.high-voltage-lab.com/search/dtmf-control
This project describes an Arduino/MCU interface to a telephone land-line. It's only been tested on a US version of the telephone system, but hopefully it will apply to the phone system in other countries. The basic idea was to allow the MCU to make calls by transmitting DTMF tones, and to receive and decode DTMF tones (keystrokes) made on the phone that was called.There are other possibilities however. Using the complete interface, it should be possible for the MCU to answer calls, and to transm.......
https://brohogan.blogspot.com/2009/12/telephone-interface.html
DSP, DSP Library, DFPlus, Digital filter designer, Digital filter design, Digital Signal Processing, Fourier, Fourier Transform, DSP software, DSP, FFT, Fourier, Fourier Transform, DFT, FIR, IIR, filter, ANSI C Source DSP Library, Eclipse, Eclipse IDE, Texas Instruments, TI, TI DSP, TMS320, C40, C44, C30, C31, C32, TMS320C3x, TMS320C4x, TMS320C30, TMS320C40, TMS320C60, TMS320C6x, TMS320C6000, C6000, C6x, c62x, C67x, C64x, TMS320C5000, C5000, C5x, c54x, Analog Devices, ADSP21000, ADSP2106x, ADSP2.......
http://www.numerix-dsp.com
Efxkits is a leading electronics and electrical projects supplier in USA. Power electronics project ideas with free abstracts, circuit diagram and o/p videos.
http://www.efxkits.com/power-electronics-projects
Malik Zohaib Conventionally, wireless-controlled robots use RF circuits, which have the drawbacks of limited working range, limited frequency range and limited control. Use of a mobile phone for robotic control can overcome these limitations. It provides the advantages of robust
http://www.radiolocman.com/shem/schematics.html?di=70956
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