for 4PCS Nano V3.0 ATmega328P Nano Board CH340 5V 16M Microcontroller…
Price: (as of - Details) Feature: Microcontroller: ATmega328A Operating Voltage (logic level):5 V Input Voltage (recommended):7-12 V Input Voltage (limits):6-20 V Digital I/O Pins:14 (of which 6 provide PWM output) Analog Input Pins:8 DC Current per I/O Pin:40 mA (I/O Pins) Flash Memory:16 KB (ATmega168) or 32 KB (ATmega328) of which 2