2Pcs Pro Micro ATmega32U4 5V 16MHz Replaces ATmega328 Pro Mini

Pro Micro ATmega32U4 5V 16MHz Replaces ATmega328 Pro Mini

Arduino Nano-Compatible Micro-Controller Board ATmega328P CH340G 5V 16MHz

Brand New Adafruit METRO #2488 with Headers - ATmega 328, US Seller

ATmega328P CH340 Microcontroller Board with USB-C Connector

Openlog Serial Data Logger Micro SD fit ATmega328 with 16GB used micro SD card

Pro Mini ATmega328P 5V 16MHz Board – Arduino-Compatible

Arduino Pro Mini Pro Compatible USB Programmer & Cable USA ATMEGA328P 16MHz T33