Codenow arduino solutions

source/codenow/blink.rb

@@ -0,0 +1,58 @@
+require 'dino'
+
+board = Dino::Board.new(Dino::TxRx.new)
+lower_led = Dino::Components::Led.new(pin: 11, board: board)
+upper_led = Dino::Components::Led.new(pin: 10, board: board)
+
+def blink(led)
+  led.send(:on)
+  sleep 0.1
+  led.send(:off)
+  sleep 0.1
+end
+
+def celebrate()
+  led.send(:on)
+  sleep 0.1
+  led.send(:off)
+  sleep 0.1
+end
+
+def celebrate(leds)
+  10.times do
+    leds.each do |led|
+      led.send(:on)
+    end
+
+    sleep 0.05
+
+    leds.each do |led|
+      led.send(:off)
+    end
+
+    sleep 0.05
+  end
+end
+
+secret = rand(101)
+puts "Guess a number from 0 to 100:"
+guess = gets.chomp.to_i
+until guess == secret
+  difference = secret-guess
+  if difference < 0
+    led = upper_led
+  else
+    led = lower_led
+  end
+
+  if difference.abs > 15
+    3.times{ blink(led) }
+  elsif difference.abs >= 5
+    2.times{ blink(led) }
+  else
+    blink(led)
+  end
+  puts "Guess a number from 0 to 100:"
+  guess = gets.chomp.to_i
+end
+celebrate([lower_led, upper_led])

source/codenow/nightlight.rb

@@ -0,0 +1,20 @@
+require 'dino'
+
+board = Dino::Board.new(Dino::TxRx.new)
+lower_led = Dino::Components::Led.new(pin: 11, board: board)
+upper_led = Dino::Components::Led.new(pin: 10, board: board)
+sensor = Dino::Components::Sensor.new(pin: 'A0', board: board)
+
+on_data = Proc.new do |data|
+  if data.to_i < 100
+    #puts "It's light!"
+    upper_led.send(:off)
+  else
+    #puts "It's dark!"
+    upper_led.send(:on)
+  end
+end
+
+sensor.when_data_received(on_data)
+
+sleep