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. 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. 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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