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Networked Embedded Applications and Technologies Lab

Department of Computer Science and Information Engineering National Cheng Kung University, TAIWAN

Free-Software Arduino

Kuan-Yu, Chen陳冠宇

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 2NEAT

Outline

What is Arduino? Source Kernel architecture Signal message.

What can you do by Arduino? Develop environment

Just do it LEDs UART PWM(Explain by Servo) Analysis product

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 3NEAT

Download Software.

www.arduino.cc

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 4NEAT

Download Software.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 5NEAT

What is Arduino?

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 6NEAT

Source

From Italian Ivrea university.

David Mellis 、 David Cuartielles 、 Gianluca Martino 、 Massimo

Banzi 、 Tom Igoe

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 7NEAT

Kernel Architecture

IC Type

8 bits 8051 、 ATMEGA8

16 bits PIC 、 MSP430

32 bits ARM

• Only one schedule.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 8NEAT

Kernel Architecture

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 9NEAT

Kernel Architecture

Microcontroller ATmega328

Operating Voltage 5V

Input Voltage (recommended) 7-12V

Digital I/O Pins 14(6 for PWM)

Analog Input Pins 6

DC Current per I/O Pin 40mA

DC Current for 3.3V Pin 50mA

Flash Memory 32KB(0.5 KB for bootloader )

Clock Speed 16Mhz

SRAM 2 KB

EEPROM 1KB

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 10NEAT

Kernel Architecture

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 11NEAT

Kernel Architecture

GPIO(General-purpose input/output) AD(Analog to Digital) Interrupt PWM(Pulse-width modulation) UART(Universal asynchronous reciver/transmitter) SPI(Serial peripheral interface) I2C(Inter-Integrated Circuit) … …

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 12NEAT

Signal message.

Sensor

Digital

Analog

Input/Output

Control

Display

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 13NEAT

What can you do by Arduino?

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 14NEAT

Develop environment

Base on C/C++.

Function. (By library)

Open-Source. (Include hardware and software)

Easy.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 15NEAT

Check Board.

Check Serial Port.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 16NEAT

Compile.

Download.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 17NEAT

Just do it

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 18NEAT

include<> or ””

void setup{}

void loop{}

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 19NEAT

LEDs

pinMode(GPIO,Pin mode);

digitalWrite(Pin,state);

delay(time);

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 20NEAT

UART

Serial.begin(baud rate); Serial.available();

If receive someting. Serial.read();

Return value of receive. Serial.println(Value);

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 21NEAT

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 22NEAT

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 23NEAT

Lab

1. Try LEDs, UART and PWM(Servo).

2. Turn on the LED(pin13) if UART receive “H”.

3. Modify angle of motor by UART.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 24NEAT

1. DC Motor2. Reducing gear3. Controller4. Sensor

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 25NEAT

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 26NEAT

控制方法原理： PWM控制1.Use Servo.h

2.Set initial position.

3.Control.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 27NEAT

PWM

include<Servo.h>

Servo name;

name.attach(pin);

name.write(pos);

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 28NEAT

Refer

2014 Arduino, www.arduino.cc

1know.net, http://1know.net/knowledge/97636f101c46?v=list

Arduino IDE introduction, Wiki, Decr, 2011,

http://zh.wikipedia.org/wiki/Arduino

孫駿榮、吳明展、盧聰勇 , “Arduino 一試就上手 (第二版 ),,

,碁峯資訊出版 , Sep,2012.

賴文章、陳冠宇 , “Arduino入門級中文教學” , Jan,2012.

Department of Computer Science and Information EngineeringNational Cheng Kung University, TAIWAN 29NEAT

Thanks for your listen