local function init() 
  local sensors = system.getSensors()
  for i,sensor in ipairs(sensors) do
    if (sensor.type == 5) then
      if (sensor.decimals == 0) then
        -- Time
        print (string.format("%s = %d:%02d:%02d", sensor.label, sensor.valHour, 
               sensor.valMin, sensor.valSec))
      else
        -- Date 
        print (string.format("%s = %d-%02d-%02d", sensor.label, sensor.valYear, 
               sensor.valMonth, sensor.valDay)) 
      end 
    elseif (sensor.type == 9) then
      -- GPS coordinates
      local nesw = {"N", "E", "S", "W"}
      local minutes = (sensor.valGPS & 0xFFFF) * 0.001
      local degs = (sensor.valGPS >> 16) & 0xFF
      print (string.format("%s = %d° %f' %s", sensor.label,    
             degs, minutes, nesw[sensor.decimals+1])) 
    else
      if(sensor.param == 0) then
        -- Sensor label
        print (string.format("%s:",sensor.label))
      else  
        -- Other numeric value
        print (string.format("%s = %.1f %s (min: %.1f, max: %.1f)", sensor.label,    
                sensor.value, sensor.unit, sensor.min, sensor.max))
      end        
    end
  end
end
--------------------------------------------------------------------------------
return {init=init, author="JETI model", version="1.0"}