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

Microchip ATMEL AVR ATMEGA ATTINY Fuse Programmer

MEGA2560 Micro-Control Atmega16U2 ATMEGA2560 Development Board for Arduino R3

AVR128DA28 Produino Ink 4u Development Board Compatible With Arduino Uno

Mega 2560 R3 ATmega2560-16AU CH340G AVR USB board Development Board for Arduino

UNO R3 ATmega328P ATmega16U2 Board + USB Cable + Clear Case For Arduino

37 in 1 Sensor Modul Kit + UNO R3 ATmega328P CH340 Board

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