DTMF Based Project by Yasir Iqbal

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Dual-tone multi-frequency signaling (DTMF) Based Project by Yasir Iqbal

DTMF is used for telecommunication signaling over analog telephone lines in the voice-frequency band between telephone handsets and other communications devices and the switching center. In this project Yasir showing simple demo of his project in which one mobile connected with project and an other mobile called and than press 1 to 9, 7 segment show the same number.



1 comment

  • Comment Link Afzal Saturday, 28 November 2015 20:14 posted by Afzal

    We had used this DTMF as RF remote control application through PLL chip...

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