very cool, I never really knew what the tones were signaling. On 02/03/2013 08:18 AM, Mic Chow wrote: > How goes this project? > > I saw this on Hackaday.com and though it might come in handy. > > http://windytan.blogspot.fi/2012/11/the-sound-of-dialup-pictured.html > > Mic Chow > Hong Kong >