Amazon.com: AITRIP Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Compatible with arduino Leonardo Replace ATmega328 Pro Mini (1 PCS) : Electronics
10Pcs/lot ATMEGA328P PU CHIP IC ATMEGA328 328P Microcontroller DIP 28 for Arduino|Integrated Circuits| - AliExpress
Amazon.com: ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino : Electronics
Amazon.com: ELEGOO Nano Board CH 340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable) : Electronics
Amazon.com: Arduino Pro 328 - 3.3V/8MHz : Electronics
Arducam PRO Mini Atmega328 Development Board 5V/16MHz 328 Compatible with Arduino | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com
Amazon.com: KEYESTUDIO V4.0 Development Board for Arduino UNO R3 with USB Cable : Electronics
Amazon.com: Arduino UNO REV3 [A000066] : Electronics
Amazon.com: SparkFun Pro Mini ATmega328-5V/16MHz Development Board Compatible with Arduino Boards and IDE : Electronics
Amazon.com: Pro Micro ATmega32U4 5V 16MHz Micro-USB Development Module Board with 2 Row pin Header Compatible ard-uino Leonardo Replace ATmega328 Pro Mini : Electronics
Amazon.com: LilyPad Arduino 328 Main Board : Electronics
Amazon.com: SparkFun Pro Mini ATmega328-3.3V/8MHz Development Board Compatible with Arduino Boards and IDE : Electronics
Amazon.com: CANADUINO 2 x Atmega328P-PU Replacement Chip for Arduino UNO R3 - Bootloader : Electronics
Amazon.com: Arduino UNO REV3 [A000066] : Electronics
Amazon.com: ATmega32U4 ATMEGA328P Lilypad 328 for Arduino DIY Kit Micro USB ATtiny85 LilyTiny Main Board Buzzer WS2812 RGB CR2032 TEMT6000 (328P) : Electronics