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Arduino

A free development system based on AtmelAVR 8 bit microcontrollers.

LB8X Tom

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What is AVR

RISC architecture microcontroller Designed for high level languages, developed in

Trondheim, Norway in 1996

Classic: AT90S1200, AT90S2343, AT90S2313,

AT90S4433, AT90S8515, AT90S8535

ATtiny22, ATtiny25-85, ATtiny2313 ...

ATmega8, ATmega16, ATmega 48-328 ...

Flash programmable memory

ATmega self programming

RAM, EEPROM and peripherals

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What is Arduino

Open Source Hardware, you can make your

own board, or buy one.

Cheap, easily available.

Open Source Software.

Very widespread, many projects openly

available.

Extra HW (shields) available.

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Arduino Duemilanove (2009)

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Arduino Uno

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Arduino Mega 2560

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Original Arduino with RS-232

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Arduino on breadboard

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Arduino Nano

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Ardweeny

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Arduino IDE

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Arduino Language

C like syntax, but simplified

Abstracts the pin naming to numbers

Trades efficience for ease of use

Easy to learn, yet powerful

Lots of example code

Easy to reuse C-code from other projects

Libraries can be written in C++

Lots of libraries available

i t l dPi 13 // LED t d t di it l i 13

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int ledPin = 13; // LED connected to digital pin 13

// The setup() method runs once, when the sketch starts

void setup() {

// initialize the digital pin as an output:

pinMode(ledPin, OUTPUT);

}

// the loop() method runs over and over again,

// as long as the Arduino has powervoid

loop()

{

digitalWrite(ledPin, HIGH); // set the LED on

delay(500); // wait for half a second

digitalWrite(ledPin, LOW); // set the LED off

delay(500); // wait for half a second

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BascomAVR IDE

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BascomAVR Language

Structured basic

Uses AVR pin naming

Easy to learn, yet powerful

Very efficience, and compact Can use inline assembly code

Built in simulator

Lots of example code Must have paid version to make libraries

Lots of libraries available

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BascomAVR advantages

Free demo version, up to 4kB code

Supports most AVRs

Commercial version is inexpensive

Excellent support Active community

Supports bootloaders

Supports many programmers Can work with AVR Studio

$ fil " 8d f d t"

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$regfile = "m8def.dat"

$crystal = 16000000

Led Alias Portb.5 'Arduino digital pin 13

Config Led = Output

Reset Led 'Turn off LED

' Main program

Do

Waitms 500

Toggle Led

Waitms 500

Toggle Led

Loop

End 'End program

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Prototype shield

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Proto shield w/mini breadboard

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Ethernet shield w/micro-SD reader

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Argentdata radio shield for APRS

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Extreme shield stacking

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Bluetooth to TTL 5V module

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USB to TTL module

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RS-232 to TTL module

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Approximate pricing eBay

Arduino Duemilanove $25

Proto shield from $5

Ethernet shield $18

Bluetooth module $17

USB to TTL module $5

RS-232 to TTL module $6

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Resources

www.atmel.com/avr www.avrfreaks.net

www.arduino.cc

en.wikipedia.org/wiki/Arduino www.mcselec.com (BascomAVR)

www.argentdata.com

www.ebay.com

www.sparkfun.com