require "al_worker"
require "al_worker_timer"
require "i2c"
require "net/http"
require "uri"
require "json"
...
POST_URI = "http://192.168.1.11/cgi-bin/index.rb?ctrl=data_post"
  ...
  def send_data( data )
    AlWorker.log( data )

    Net::HTTP.post_form(URI.parse(POST_URI), {"data"=>data.to_json})
  end