Qunqi Mini Nano V3.0 ATmega328 board for Arduino IDE + USB Cable Flash Memory 32 KB (of which 2KB used by bootloader) SRAM 2 KB DC Current per I/O Pin:40 mA Digital I/O Pins 14 (of which 6 provide PWM output) Analog Atmel ATmega328 microcontroller Operating Voltage:5 V