Posted in Arduino Hacks, Misc Hacks Tagged arduino, dtmf, pots, telephone ← Awesome Portable N64 Keeps Your Games In Hand, Out Of Sight Manage Your Rechargeables At A Glance → ...

So far there are versions for Windows, DOS, Amstrad CPC, Arduino, and even PSX ( the original PlayStation console ). One might ask why on earth you might want a DTMF input for your desktop PC, but ...