Arduino Diecimila: new improvements to commemorate 10,000 boards.

David MellisAugust 11th, 2007

Arduino Diecimila

We’ve just released a new revision of the Arduino USB board – named “Diecimila” to celebrate the fact that there are now over 10,000 Arduino board in existence. The Arduino Diecimila includes a number of improvements over the previous revision of the USB board, the NG, including:

  • the Diecimila can be automatically reset from software, meaning that you no longer need to physically press the reset button on the board before you upload a sketch,
  • there’s a new low-dropout power regulator, so the board can run with a minimum input voltage of 6V instead of 7V, meaning that you can power it with 4 AA’s (don’t give it more than 12V, though, unless, as Gianluca says, you want to cook eggs on it),
  • we’ve added a couple of pin headers: one providing a regulated 3.3 volts, and the other making the boards reset line available (e.g. to make it easier to add a reset button to a shield),
  • a fuse provides overcurrent protection for your computer’s USB ports (while most computers have built-in protection, this provides an extra layer of safety),
  • the board should start up without problems when powered from an external power supply (the NG required a bit of fiddling to get this working)

To get the automatic reset working, we needed to make a bunch of modifications to the Arduino software. You’ll want to grab Arduino 0009 from the download page. To get started with the Diecimila, see the instructions for your operating system: Windows, Mac OS X, Linux.

The Diecimila should be available from most Arduino distributors; see the buy page to find the one closest to you.

Update: corrected description of the low-dropout regulator (thanks Limor!).

One Response to “Arduino Diecimila: new improvements to commemorate 10,000 boards.”

  1. Knowledge Updates « The Rantings of a Techno-Mage Says:

    [...] a new Arduino board, the Arduino Diecimila has been released. This board is an updated version of the Arduino NG, which I own. It features a [...]

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