Bluno Mega2560

1. Example Code for Arduino-Basic Serial Echo

This section is focused on the basic function of Bluno. You can easily develop your own Android application based on this Demo. This Sketch only do one thing that replies the same message received from Serial port.

2. Arduino-Wireless Programming

This article explains how to perform wireless programming on Arduino using BLE technology. It provides detailed instructions for configuring devices as CENTRAL and PERIPHERAL, using AT commands, and uploading sketches wirelessly.

3. Configure the BLE through AT command

This article is a detailed guide on configuring BLE modules through AT commands, with step-by-step instructions for firmware versions 1.8 and earlier, utilizing the Arduino IDE and serial monitor for effective Bluetooth communication.

4. Update BLE Firmware on Bluno

This article guides users through the process of updating BLE firmware on Bluno boards, detailing steps for both early (version 1.7 or before) and recent (version 1.8 or later) firmware versions, using methods compatible with Windows and Mac operating systems.

Reference

This comprehensive reference for AT commands on BLE devices covers everything from changing working modes and connection intervals to setting device names and managing binding configurations, providing developers with the tools to efficiently optimize Bluetooth connectivity and device interaction.

Parameter	Details
Microcontroller	ATmega2560
Clock frequency	16MHZ
Transmission distance	70m in free space
Working voltage	+5V
External input voltage (recommended)	7V~12V DC
External input voltage (range)	6V~20V DC
Digital I/O outputs	54 (14 PWM outputs)
Analog inputs	16
I/O current	40mA
Flash capacity	128KB (4k for bootloader)
Static storage capacity of SRAM	8KB
Memory capacity of EEPROM	4KB
Size	108mmx54mm

Bluno Mega2560

Specification

Pinout