examples/firmata.rb in artoo-1.6.7 vs examples/firmata.rb in artoo-1.8.0

@@ -1,7 +1,7 @@
 require 'artoo'
 
-connection :firmata, :adaptor => :firmata, :port => '127.0.0.1:8023'
+connection :firmata, :adaptor => :firmata, :port => '/dev/ttyACM0' #linux
 device :board
 device :led, :driver => :led, :pin => 13
 
 work do
   puts "Firmware name #{board.firmware_name}"