Bluno Mega 2560 - An Arduino Mega 2560 with Bluetooth 4.0

The Bluno Mega 2560 combines the ATmega2560 microcontroller with an integrated TI CC2540 Bluetooth 4.0 (BLE) module, bringing wireless communication to the Arduino Mega form factor. It supports wireless programming over BLE, Bluetooth HID, iBeacon, and serial pass-through — while remaining fully pin-compatible with standard Arduino Mega shields and projects.

With 54 digital I/O pins (15 PWM), 16 analogue inputs, 4 hardware UARTs, and 256 KB of flash memory, the Bluno Mega provides ample resources for complex projects that need both extensive I/O and wireless connectivity.

Key Features

• ATmega2560 + CC2540 BLE – Arduino Mega with integrated Bluetooth 4.0
• Wireless Programming – Upload sketches over BLE without a USB cable
• Bluetooth HID – Emulate keyboard/mouse over BLE
• iBeacon Support – Broadcast as a BLE beacon
• Serial Pass-Through – Transparent BLE-to-serial communication
• AT Command Configuration – Configure BLE parameters via serial commands
• USB Firmware Updates – BLE chip firmware upgradeable over USB
• Full Mega Pin Compatibility – Drop-in replacement for Arduino Mega 2560 projects

Specifications

• Microcontroller – ATmega2560
• Clock Speed – 16 MHz
• BLE Chip – TI CC2540
• BLE Range – Up to 70 m (open space)
• Operating Voltage – 5 V
• Input Voltage (recommended) – 7–12 V DC
• Input Voltage (max) – 6–20 V DC
• Digital I/O – 54 (15 PWM)
• Analogue Inputs – 16
• I/O Current per Pin – 40 mA
• Flash Memory – 256 KB (4 KB used by bootloader)
• SRAM – 8 KB
• EEPROM – 4 KB
• Hardware UARTs – 4
• Dimensions – 108 × 54 mm

Ideal For

• Bluetooth-connected robotics and automation
• Wireless sensor networks and data logging
• BLE HID devices and iBeacon applications
• Projects requiring extensive I/O with wireless capability

Package Contents

• 1× Bluno Mega 2560

Resources

• DFRobot Product Wiki
• ATmega2560 Datasheet (PDF)
• Schematic (PDF)