Arduino UNO R3 Compatible Board ATmega328P DIP + USB Cable

Pro Micro ATMEGA32U4 5V 16MHz Type-C USB Compatible with Arduino Leonardo

5PCS MICRO USB Nano V3.0 ATmega328P CH340G 5V 16M Micro-controller

Pro Mini 328 Compatible 5V/16M ATMEGA 328

Pro Micro ATmega32U4 5V 16 MHz Microcontroller Board Arduino Compatible

Unsoldered Nano V3.0 Arduino Compatible ATmega328P 5V 16MHz Arduino -UK

Pro Micro USB ATmega32U4 16MHz 5V Micro-Controller Board Replace Mini ATmega328

LilyPad Arduino (Compatible) 328 Main Board ATmega328P