DFRduino M0 Mainboard (Arduino Compatible)

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Introduction

DFRduino M0 is the only Arduino main board that supports 5V standard Logic level and adopts ARM Cortex-M0. [null It is unsatisfactory to make projects with most boards in the market. To be specify,] traditional Arduino UNO is lacking of pins, low-performance… Mega boards are better but too expensive; Arduino ZERO boards are not compatible with 5V power supply device. Luckily, DFRduino M0 is a great soul solves all.

DFRduino M0 selects 32 bytes Nuvoton SCM (Single Chip Micyoco) of high-performance as the core. Besides built-in ARM Cortex M0 infrastructure, DFRduino M0 supports 5V Logic level, equipped with 1 USB port and 2 serial ports, providing 31 digital pins (parts AFIO) and 6 analog pins, offering more IO resources. Moreover, DFRduino M0 is compatible with Arduino Leonardo package/encapsulation and the clock speed is 72MHz.

Additionally, DFRduino M0 supplies another IIS interface, supporting play &record wav files.  Once put DFRduino M0 with advanced IIS chip, professional HIFI audio is available. 

Features

• Arduino IDE Compatible
• 32-Bit 72MHz Cortex-M0
• Supports 5V reference voltage
• Supports standard IIS audio interface
• Support USB and dual physical hardware serial port
• Compatible with Leonardo pin packages
• Support wireless programming upload code

Specification

• Microcontrollers: Nuvoton NUC123ZD4AN0 (Cortex M0)
• Clock Speed: 72MHz
• Operating Voltage: 5V
• Recommended Input Voltage: 7-12V
• Limit input voltage: 6-20V
• Digital I/O Pins: 31
• Analog input Pins: 6
• External Interrupt: 4
• SRAM: 20K
• Flash: 68K (of which 12 KB used by bootloader, 55K used by the user code area, 1K used by EEPROM)
• EEPROM: 1K
• SPI: 1 port (D14, D15, D16)
• IIC / I2C: 1 port (D2, D3)
• USB serial port: 1 (Serial)
• Physical serial port: 2 (Serial1, Serial2)
  • Serial1 0 (Rx1) and 1 (Tx1)
  • Serial2 24 (Rx2) and 25 (Tx2)
• Xbee interface: 1 (Serial1)
• Size: 68 * 53 mm/ 2.68 * 2.09 inches
• Weight: 30g

Board Overview

PinMap

Tutorial

Requirements

• Hardware
  • DFRduino M0 x 1
  • Micro USB Cable x1

• Software
  • Arduino IDE (Version requirements: V1.6.X and later), Click to Download Arduino IDE from Arduino®

Setup DFRduino M0 Software Development Environment

• Open Arduino IDE, File->Preferences, find Additional Boards Manager URLs, copy the below link, and paste in the blank.

https://raw.githubusercontent.com/DFRobot/DFRobotDuinoBoard/master/package_dfrobot_index.json

• 

  File->Preferences

• 

  paste url here

• Click OK
• Open Tools->Board->Boards Manager, enter DFRduino in the search box, click Install

 

 

Now, the development environment has been installed, you can use it like a normal Arduino board.

Driver Installation

• Connect M0 to your computer, and you will find an unknown device in the device manager.

• Update Driver Software --> Browse my computer for driver software .
• Generally, this driver is located in the SDK folder
  C:\Users\yourUserName\AppData\Local\Arduino15\packages\nucDuino\hardware\nucDuino\1.0.0\driver
• Or you can download it here directly: Click to save. Sometime you need disable the digital signature.

Special Function

Hardware Serial port x2 & USB Serial Port x1

• Just like Arduino Leonardo, M0 has USB Serial Port and Hardware Serial Port.

• Sample Code

void setup() {  // put your setup code here, to run once:
    Serial.begin(115200);
    while(!Serial);
    Serial1.begin(115200);
    Serial2.begin(115200);
}
void loop() {   // put your main code here, to run repeatedly: 
    Serial.println("I am USB CDC Serial");
    Serial1.println("I am Serial 1");
    Serial2.println("I am Serial 2");
    delay(1000);
}

• Tested Platform:
  • Windows: win7 32bit/64bit, win8 32bit/64bit, win10 32bit
  • Linux: ubuntu 12.04 32bit
  • Mac book:

DOCUMENTS

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