gistfile1.txt

local tobectrl = { 
  ["base_type"] = "gpio-output",
  ["pin"] = 4
}
sys.timerLoopStart(function() 
  log.info("test test")
  sensors.control(tobectrl, 1)
  sys.wait(2000)
  sensors.control(tobectrl, 0)
  sys.wait(2000)
end,1000)

sys.taskInit(function()
    while true do
        local my_string = "abcdefghijklmnopqrstuvwxy"
        print(my_string:swapPair(3))
        sys.wait(5000)
    end
end)