Atto84 Hookup Guide
Introduction: The Littlest 'Duino
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Arduino and Arduino compatible dev boards are an awesome tool for developing an idea quickly but, being development boards, they're often a little more bulky and full featured than you really need. Having a USB interface and a bootloader is so nice, though, so we put together the bare minimum Arduino compatible breakout for integration into your small projects. We call it the Atto84.
The Atto84 is essentially a breakout board for the absolutely minute WQFN ATtiny84, but we've done some work to make it easier to program. First off, we've added a micro-USB connector and a firmware-based USB driver for the ATtiny that allows you to program the chip over USB. In addition, we've created an Arduino board profile that combines this bootloader with an extremely full-featured ATtiny Arduino core.
Simply install the USB drivers on your computer, select the board profile from Arduino's Board Manager, and upload code to this board like any other Arduino style development board. In this hookup guide, you'll learn how to do exactly that!
If you aren’t familiar with the following concepts, we recommend checking out these tutorials.