Pro Micro ATmega32U4 5V 16MHz Replaces ATmega328 Pro Mini

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

Nano V3.0 ATmega328 CH340G 5V 16M Micro-controller with Mini USB Cable

Nano V3.0 ATmega328P CH340G 5V 16M Mini-USB Microcontroller Board

3 x Infrared IR Receiver & IR Transmitter Starter Kit - Arduino Raspberry Pi TTL

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

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

Arduino Mini USB Nano V3.0 ATmega328 5V 16M+Nano I / O Expansion sensor Shield