Nano extension board Nano IO shields Nano V3.0 AVR ATMEGA328P-AU Module

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Description The Arduino Nano I/O Extension Shield is an interface expansion board tailored for Nano V3.0 (ATmega328P-AU) microcontrollers. It breaks out every compact pin of the Nano board into clearly labeled power and signal headers, eliminating messy breadboard wiring and enabling quick 3-pin (Signal, VCC, GND) connection to servos, sensors, and external modules.