CH340 ATmega 2560 R3 Board Compatible with Arduino MEGA 2560 IDE + Case + Shield – ASA College: Florida
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Avr Isp Programmable Expansion Shield Board Module For Arduino R3 Mega2560 Atmega328p Nano Pro Mini Module Bootloader - Integrated Circuits - AliExpress
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Amazon.com: ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino : Electronics
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