Arduino Mega CH340

The Arduino Mega CH340 is a powerful microcontroller board featuring the ATmega2560. With 54 digital I/O pins, 16 analog inputs, and 256KB flash memory, it is perfect for complex projects requiring multiple peripherals.

Key Features

• ATmega2560 microcontroller with 256KB flash memory
• 54 digital I/O pins (15 PWM outputs)
• 16 analog input channels for extensive sensor arrays
• 4 UART hardware serial ports for multi-device communication
• CH340 USB interface for programming
• 8 KB SRAM for larger program variables
• 4KB EEPROM for non-volatile data storage

Technical Specifications

Applications

• 3D printer controllers like RepRap and Marlin
• CNC machine control with GRBL firmware
• Advanced robotics with many sensors and actuators
• Complex IoT systems with multiple communication channels
• Multi-sensor data acquisition systems
• Home automation hubs controlling many devices

Important Notes

• Fully compatible with Arduino Mega shields and libraries
• Install CH340 driver for USB connectivity
• Large form factor (101mm x 53mm) – verify enclosure size
• All pins have same capabilities as standard Arduino pins
• Ideal when Uno/Nano pins are insufficient