little scripts that checks when amazon dash is connected to wifi network

dash_scan.rb

require 'arp_scan'

# the following variables may need to be edited
dash_mac = '00:00:00:00:00:00'
interface = 'en0'

already_checked = false;

loop do
  #puts "scanning network..."

  is_online = false
  report = ARPScan("-I #{interface} -l")
  report.hosts.each do |host|
    #puts "#{host.mac} with #{host.ip_addr}"
      
    if host.mac == dash_mac
      is_online = true
    end
  end

  if is_online
    if not already_checked
      puts "dash button clicked!"
      # you can place here the code you want to execute
      # after you press the button. The following one is
      # just an example
      system('open https://www.youtube.com/watch?v=dQw4w9WgXcQ')

      already_checked = true
    end
  else
    already_checked = false
  end
end

Demo: