This is a complete and breadboard-friendly Microcontroller Module based on the ATmega328; Nano V3 provides a USB-C Port for Programming, Power Supply and Serial Communication and 22 IO pins with digital, analog and PWM function; Please select "Old Bootloader" in Arduino IDE

Logic Level 5 V; Flash Memory 32 KB; SRAM 2 KB; EEPROM 1 KB; Speed 16 MHz; Analog IN Pins 8; PWM OUT Pins 6; Total of IO Pins 22; max. Current per I/O Pin 40 mA; Power Supply 7-12 V; Current Consumption about 19 mA