Domoticz

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-- Domoticz passes information to scripts through a number of global tables
--
-- https://www.iot4.eu/wiki

local heating_probe = 'voorhuis 203' 
local thermostat_setpoint = 'thermo voorhuis virtueel'
local heating_unit1 = 'vloerpomp voorhuis relais-2 204'
local heating_unit2 = 'CV brander relais-1 204'

-- Use when a combined sensor (e.g. temperature and humidity) is used
-- Replace in "otherdevices[heating_probe]" to "otherdevices[heating_probe]" by "temp_only" (in the 2nd "if" and in the "elseif".
-- Remove the -- in the next two lines: 

local naartekst = (tostring (otherdevices[heating_probe]))
local temp_only = (string.sub(naartekst,1,4)) -- the digits (1,4) do point out what characters of the string are needed.


local hysteresis = 0.1

commandArray = {}


-- loop through all the devices
for deviceName,deviceValue in pairs(otherdevices) do
    if (deviceName== thermostat_setpoint ) then

        if tonumber(deviceValue) < tonumber(temp_only-hysteresis) then
        
            if (otherdevices[heating_unit1] == "On") then
            --    commandArray['SendNotification']='verwarming voorhuis is uit'
                commandArray[heating_unit1]='Off'
                print("verwarming voorhuis is uit")
            end
            
        elseif tonumber(deviceValue) > tonumber(temp_only+hysteresis) then
            if (otherdevices[heating_unit1] == "Off") then
                commandArray[heating_unit1]='On'
            --    commandArray['SendNotification']='verwarming voorhuis is aan'
                print("verwarming voorhuis is aan")
            end
        end
    end
end

-- loop through all the variables
for variableName,variableValue in pairs(uservariables) do

end

return commandArray