Amazon.com: ELEGOO MEGA R3 Board ATmega 2560(Black) & ELEGOO UNO R3 Board ATmega328P : Electronics
Amazon.com: Songhe MEGA 2560 PRO Embed CH340G/ATMEGA2560-16AU Pro Mega Module with Male Pinheader
Amazon.com: ePalZoneXP MEGA 2560 R3 Pro Mini CH340G with Male Header Compatible with Arduino MEGA2560 R3 Atmega 2560 USB Type-C Port : Electronics
Amazon.com: Arduino Mega 2560 REV3 [A000067] : Electronics
Amazon.com: ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino : Electronics
Amazon.com: SunFounder Controller Board Compatible with Arduino UNO R3 ATMEGA328P ATMEGA16U2 : Electronics
Amazon.com: ELEGOO MEGA R3 Board ATmega 2560 + USB Cable Compatible with Arduino IDE Projects RoHS Compliant : Electronics
Amazon.com: Arduino Uno REV3 [A000066] : Electronics
Amazon.com: Btoociya UNO R3 Board ATmega328P with CH340G Chip Compatible with Arduino UNO R3 Mega 2560 Nano Robot for Arduino IDE AVR MCU Learner K53,with Straight Pin Header and USB Cable :