DTMF (Dual Tone Multiple Frequency) Encoder and Decoder informally named as Touch Tone allocates a unique tone to each button on an appliance (made up of two frequencies high and low). The DTMF ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

For a hobby that’s ostensibly all about reaching out to touch someone, ham radio can often be a lonely activity. Lots of hams build and experiment with radio gear much more than they’re actually on ...