Smartphone DTMF remote control interface

Arduino Computers & Mobile Technology

Check out this handy DTMF remote control interface from EmilioFicara. Turn relays on and off with sound.

4 thoughts on “Smartphone DTMF remote control interface

  1. sharpfang says:

    Any phone which can do DMTF should be capable of doing that, even old analog wired phones.

    ps. your OpenID login system is broken.

    1. Carnes says:

      That might just be the phone he has. I recently “upgraded” to a used Blackjack that looks similar to his phone. After manually upgraded WinMo, the phone is a decent hacker platform.

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