[jelengar] liked the ease of use of the Arduino, but wanted a much higher pin count. He set about converting the ATmega Controller for use with Wiring, the code that the Arduino IDE is based on.

You need only 5 connections for our Arduino, so just leave the CTS terminal and connect the rest to the Arduino as shown in this table. If you want to make your own USB to Serial Converter Module, ...

The Arduino itself, arguably, is a breakout board of sorts. It takes the ATmega chip, adds the hardware necessary to get it talking to a computer over USB, and brings all the GPIO pins out with ...