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Ruby Arduino
Revealing Hour Creations
@nishantmodak
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Talk
Physical
Computing
#electronics #ruby #arduino #sensors
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Image Source : IBM Smarter Planet
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Image Source : IBM Smarter Planet
IFTTT + Hardware
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What is Arduino?
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What is Arduino?
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What is Arduino?
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What is Arduino?
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What is Arduino?
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Program via
USB
External
Power 9v
14 Digital IO
Pins
µ
controller
6 Analog IO
Pins
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Ethernet Shield
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Why Arduino?
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MIT's Handyboard
Phidgets
Netmedia's BX-24
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It is
inexpensive
cross-platform
ide
open-source s/h/w
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Hardware
Software
Docs
Brand
CC-SA-BY
CC-SA-BY
GPL
TM
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InduinoX
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What can
YOU
do with
an
Arduino?
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TDD
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How can
YOU
work with
an
Arduino?
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upload Serial
monitor
console
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int led = 13;
void setup() {
// initialize the digital pin as an output.
pinMode(led, OUTPUT);
}
void loop() {
digitalWrite(led, HIGH); // turn the LED on
delay(1000); // wait for a second
digitalWrite(led, LOW); // turn the LED off
delay(1000); // wait for a second
}
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Options in
RUBY for
arduino ?
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1 Serial Port Gem
• Ruby library
• RS-232 serial ports
sp = SerialPort.new(port_str,
baud_rate, data_bits, stop_bits,
parity)
while sp.gets.chomp do
...
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2 RAD = Ruby Arduino Dev
+Rake Task
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Program Sketch
Arduino
Class Methods RubyToC
Assembly
Arduino C++
Rake tasks AVR GCC/Dude
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• Standalone
• Small
• Service
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3 Dino
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Logical
equivalent of the
arduino board
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Finds Arduino
Communicates
with the world
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Write
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Read
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• Stepper Motor
• DC Motor
• LDR
• Temperature
• RGB LEDs
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Arduino & Web
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• Arduino Hosted
• Web sockets
• Serial to Net
• Rails
• Sinatra
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board=Dino::Board.new(Dino::TxRx::Serial.new)
led = Dino::Components::Led.new(pin: 13,
board: board)
put ‘/forward’ do
led.on
end
Sinatra
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Thanks
• Pratik Chaudhari (@c_pratik)
• Siddharth Bhagwan
• Prashant
• @austinbv – Creator of Dino
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References
bit.ly/arduinolinks
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PUSH TO DEPLOY