
Author : Psi (psiz _at_ free _dot_ fr)
License : GPL

This sensor is similar to the 'External' sensor but allows the user to choose the update frequency thanks to the configurator

v0.1.4

'ExternalInterval' :
  args : 
    command
    name : name shown in the configurator (useful if there are several ExternalInterval sensors in the same display)
    interval : default interval
  
  available data : 
    value : output

  configurator options :
    update : 50-3600000
