Arduino is the now-famous microcontroller that has set a portion of the maker community free to design amazing ... How To Program Arduino The Easy Way With Arno Kit. ByTJ McCue. Follow Author. Share.

An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape. By The Big Book Of Hacks Published Jan 10, 2013 3:00 AM EST Get the ...

…Brillant! This reduces the cost of an Arduino clone to under $10! $~4 for micro, plus a $1.50 audio jack, and approx $1 in resistors, caps, and other items.