The Arduino Mega 2560 R3 CH340 Clone is a high-I/O ATmega2560 development board designed for robotics, automation, 3D printer controllers, sensor networks and engineering-student projects that need more pins than an Uno. Built around the ATmega2560 microcontroller and a CH340 USB-to-serial interface, this Arduino-compatible board supports the familiar Arduino IDE workflow while offering the full Mega-style layout: 54 digital input/output pins, 15 PWM-capable outputs, 16 analog input channels and 4 hardware UART serial ports. It runs at 5V logic with a 16 MHz crystal oscillator and can be powered through USB, the DC barrel jack or the Vin pin, with the commonly listed recommended input range of 7–12V. This CH340 version is a cost-effective clone/compatible board, making it popular in India for college labs, final-year projects, prototyping benches and hobby electronics. The board is suitable when you need to connect multiple modules such as LCD displays, keypads, motor drivers, relay boards, ultrasonic sensors, GPS/GSM modules and many analog sensors at the same time. Compared with smaller Arduino-compatible boards, the Mega 2560 R3 gives more memory, more serial ports and far more I/O expansion, while maintaining compatibility with many Arduino shields designed for the Mega footprint. A CH340 driver may be required on some computers before the board appears as a COM/serial port.
SRAM: 8 KB EEPROM: 4 KB Board Type: Arduino Mega 2560 R3 compatible clone Clock Speed: 16 MHz Flash Memory: 256 KB, with bootloader space reserved Power Options: USB, DC barrel jack, Vin pin Microcontroller: ATmega2560 PWM Output Pins: 15 3.3V Pin Current: 50 mA Digital I/O Pins: 54 Analog Input Pins: 16 Operating Voltage: 5V Hardware UART Ports: 4 Input Voltage Limit: 6–20V Programming Support: Arduino IDE compatible DC Current per I/O Pin: Typically listed up to 20 mA on official Mega 2560 Rev3 documentation USB-to-Serial Interface: CH340 / CH340G Input Voltage Recommended: 7–12V
Arduino Boards & Compatibles