Pro Mini 328 Compatible 5V/16M ATMEGA 328

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

Pro Mini 3.3 / 8MHZ ATMEGA328P-AU for Arduino

Pro Micro ATmega32U4 5V 16 MHz Microcontroller Board Arduino Compatible

UNO R3 Development board ATmega328P/CH340 Chip 16Mhz For Arduino UNO R3

1/2/5/10PCS Pro Mini Atmega168 Module 5V 16M For Arduino Nano Replace Atmega328

LilyPad Arduino (Compatible) 328 Main Board ATmega328P