Amazon.com: ACEIRMC for Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0 ( Without Cable) (3 Pack) : Electronics
Amazon.com: AITRIP 5pcs for Nano Board CH340/ATmega+328P Without USB Cable, Type-C Connection Compatible with Arduino Nano V3.0 : Electronics
REES52 USB Nano V3.0 ATmega328 CH340G 5V 16M Micro-controller board for Arduino : Amazon.in: Industrial & Scientific