My lua script ended up like this:



return
{
on = {
timer = { "every minute" }
},

logging =
{
level = domoticz.LOG_DEBUG,
marker = 'Vloerverwarming Tdelta calculation',
},

execute = function(domoticz)

local X1 = domoticz.devices("Vloerverwarming_Tin").temperature
local X2 = domoticz ...