Hello! Long time Ars reader, first time poster. I have a project that involves a small LCD. I've got a prototype working with an Arduino board and that's cool. But now I want to go beyond a prototype ...

One of the limitations of the small 8 bit microcontrollers like the Atmel ATMega family adopted by the Arduino board, is the reduced number of I/O ports. Among the main advantages of these ...

My perennials always died because I watered them too little or too much, or put them somewhere too dark or too hot. Recently I vowed to keep my plants alive, so I turned to Arduino. I'd been looking ...