The best board to get started with electronics and coding. Based on the ATmega 328P. Pins include 14 digital input/outputs (6 PWM outputs) and 6 analog inputs. Other features include: 16 MHz quartz crystal, USB connection, power jack, ICSP header and a reset button. Compatible with Arduino IDE. Supports ISP download function. Requires USB cable, AC/DC adapter or battery. 110 V AC. USA plug.