This is a ARDUIN0 Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board with USB Cable. The upgraded ARDUIN0 nano is a small, complete, breadboard-friendly and high quality board based on the atmega328p-au mcu. It supports isp download, usb download and usb power. Specification: Operating voltage(logic level): 5v. 8 analog inputs ports: A0 ~ a7. 14 digital input / output ports: Tx,rx,d2 ~ d13. 6 pwm ports: D3, d5, d6, d9, d10, d11 5V to AREF jumper. Auto-sensing/switching power input. Small mini-B USB for programming and serial monitor. ICSP header for direct program download. Standard 0.1” spacing DIP (breadboard friendly). Manual reset switch.