Arduino & RUBY


Tomasz Warkocki



ARDUINO


WHAT?

  • single-board microcontroller
  • open-source hardware
  • 17 versions

Who? When? Why? For whom?

  • Interaction Design Institute Ivrea, Italy, 2005
  • Founders
    • Massimo Banzi
    • David Cuartielles
    • Tom Igoe
    • Gianluca Martino
    • David Mellis
  • Initially for designers and artists

Arduino Mega 2560

Microcontroller ATmega2560
Operating Voltage 5V
Input Voltage (safe) 7-12V
Input Voltage (limits) 6-20V
Digital I/O Pins 54 (15 PWM)
Analog Input Pins 16
DC Current per I/O Pin 40 mA
Clock Speed 16 MHz

Arduino Mega 2560


Input & Output

  • 54 Digital pins
    • 4 Serial ports (RX, TX + LEDs)
    • 6 External interrupts pins
    • 15 PWM pins - Pulse-width modulation pins
    • SPI (Serial Peripheral Interface) (4 pins)
    • LED (pin 13)
    • TWI / I2C pins (Two Wire Interface / Inter-Integrated Circuit) (2 pins)
  • 16 Analog pins
    • 10 bits of resolution (1024 different values)
    • default: 0 to 5V

PWM - Pulse-width modulation


Memory

Flash Memory (program space, non-volatile)

256 KB

SRAM (program variables, volatile)

8 KB

EEPROM (for programmers, non-volatile)

4 KB

Programming

  • ATmega2560 preburned with a bootloader
  • Arduino programming language (based on Wiring, C/C++) 
  • Arduino IDE (based on Processing) 
  • Fritzing - documentation

Elements

shields

  • Ethernet
  • Relay
  • Xbee
  • LCD Screen + Joystick + MicroSD
  • WiShield
  • many, many more...


demo project


ruby




serialport gem


SERIALPORT GEM


SERIALPORT GEM


serialport gem


serialport gem





DEMO



firmata gem



firmata gem


firmata gem


firmata gem


firmata gem





demo

dino gem


  • $ gem install dino
  • $ dino generate-sketch serial (ethernet)
  • upload generated sketch
  • $ ruby led.rb
  • unable to run on my board!

DINO GEM


rad gem


  • gem install rad
  • rad my_project
  • rake make:upload
  • ruby 1.8.7 !

RAD GEM



demo project with IR


demo project with ir





DEMO


thank you!

Arduino & Ruby

By Tomasz Warkocki

Arduino & Ruby

Interaction between Arduino and Ruby

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