Arduino UNO R3 Micro USB Port CH340 Development Board, Atmega328P
Mini/type-c/micro Usb Pro Micro Atmega32u4 5v/16mhz Module With The Bootloader For Arduino With 2 Row Pin Header For Arduino - Integrated Circuits - AliExpress
Arduino Nano V3.0 Compatible ATmega328/CH340G Micro USB - RobotDyn
Robotdyn - Mega 2560 R3 Ch340g/atmega2560-16au MICROUSB Compatible for Arduino for sale online | eBay