Mikal Hart

Mikal Hart

Computer scientist, inventor, writer, and musician Mikal Hart is a senior software engineer at Intel Corporation in beautiful Austin, Texas. He is the inventor of the reverse geocache puzzle, a founder of The Sundial Group, and has contributed articles on electronics development and prototyping to MAKE and several books. He writes about all things Arduino at arduiniana.org.

Latest from Mikal Hart


Turn tunes into 'toons with a robot arm controlled via headphone jack. Read more »


If you’ve been thinking of building around GPS, you’ve picked a good time to get started. Read more »

Each RockBlock ships with a 10-pin JST-terminated cable that snaps onto the board and exposes the various signal lines client devices can connect to. The simplest setup, shown here, is what Iridium calls a “3-wire” TTL serial interface, with signal lines for TX, RX, and Sleep. (To connect your Arduino and GPS as shown, see page 59.)

Use the Iridium satellite network to communicate with your projects anywhere they can see the sky. Read more »