USB Boarduino (Arduino compatible) Kit w/ATmega328 Designed to plug into a breadboard for easy prototyping. Breadboard NOT included. Petite size, only 2.75" x 0.8" (75mm x 20mm) All 'standard' pins are brought out - Digital 0-13, Analog 0-5, ARef, 5V, 3V, Ground, and Reset Chip comes pre-programmed with a "no-wait" Arduino bootloade ATmega328P, running at 16.00 MHz, just like all Arduinos