Arduino Uno Mini ***Limited Edition***, ATmega328P, USB-C
Mini Nano V3.0 ATmega328P Module Micro Controller Board with USB Cable for Arduino : Electronics
eucaiot Store
Arduino UNO Mini Limited Edition - HWKITCHEN
Update: Dec. 9, 2021 - that was fast! We sold through all of them, we have multiple emails to Arduino about officially stocking these, we've not heard
Arduino UNO Mini Limited Edition
Arduino Nano v3.0 Compatible - Various Options — PMD Way
Mini Nano V3.0 ATmega328P Module Micro Controller Board with USB Cable for Arduino : Electronics
ATmega168 NANO Board 5V 16MHz V3 CH340 (Arduino-Compatible) – Flux Workshop
UNO Mini Limited Edition - Arduino
Click shield for Arduino UNO