Oku Electronics - Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs,
MEGA2560 R3 ATmega2560-16AU CH340G AVR USB Board For Arduino Expansion Board | eBay
Looking at the Mega 2560 multiple serial ports - YouTube
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Keyestudio MEGA 2560 R3 Development Board /USB Serial Chip CP2102 - KS0498
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2 UNITS** ATmega 2560 R3 CH340 Board compatible with Arduino MEGA 2560 IDE | eBay
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MEGA2560 MEGA 2560 R3 ATmega2560-16AU CH340G AVR USB board Development board MEGA2560 for arduino - AliExpress
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Mega 2560 R3 with CH340 USB - ProtoSupplies
Would this work for octoprint? : r/octoprint
Arduino Mega 2560 R3 - Serial Port Basics - Hackster.io
Arduino Mega 2560 Pinout, Projects & Spec - devboards.info
Arduino Mega 2560 R3 Specifications/Functions | Spiceman
Uno - Arduino UNO with serial communication — iocafe 0.4 documentation
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Arduino Mega 2560 Rev3 — Arduino Official Store
Unable to do Arduino Mega to Arduino Mega serial communication - Stack Overflow
