Amazon.com: Weewooday 6 Pieces Nano Board V3.0 ATmega328P Without Cable Compatible with Arduino Nano V3.0 with Pin Headers Pin Unsoldered : Electronics
3 Different ways to power up the Arduino nano
Arduino Nano Pinout - JavaTpoint
Amazon.com: AITRIP 5pcs for Nano Board CH340/ATmega+328P Without USB Cable, Type-C Connection Compatible with Arduino Nano V3.0,Welded Module : Electronics
Arduino Nano Tutorial [Pinout]
Nano shield power pin: 3V3 with 5V? - General Electronics - Arduino Forum