firmata_button.rb in artoo-1.8.0

- old
+ new

@@ -1,7 +1,7 @@
 require 'artoo'
 
-connection :arduino, :adaptor => :firmata, :port => '127.0.0.1:8023'
+connection :arduino, :adaptor => :firmata, :port => '/dev/ttyACM0' #linux
 device :led, :driver => :led, :pin => 13
 device :button, :driver => :button, :pin => 2
 
 work do
   on button, :push => proc {led.toggle}