Switch on Ventilation Toilet. [Solved]

[Markiey99]

Hello guys,

I have the following problem, I am unable to turn on the fan in the toilet when the lamp in the toilet is on for more than 2 minutes.

I now use a blockly where I can only set the fan to turn on after x number of seconds, but if the lamp is on for less than the set number of seconds, the fan will still turn on.

Now I have seen that with a LUA script you can control it better with the 'last seen' status of the lamp. But unfortunately I can't get this done ..

example script which I am currently using but does not work. :

Code: Select all

t1 = os.time ()
s = otherdevices_lastupdate ['WC']
- returns a date time like 2013-07-11 17:23:12

year = string.sub (s, 1, 4)
month = string.sub (s, 6, 7)
day = string.sub (s, 9, 10)
hour = string.sub (s, 12, 13)
minutes = string.sub (s, 15, 16)
seconds = string.sub (s, 18, 19)

commandArray = {}

t2 = os.time {year = year, month = month, day = day, hour = hour, min = minutes, sec = seconds}
difference = (os.difftime (t1, t2))
if (otherdevices ['WC'] == 'On' and difference> 120 and difference <130) then
   commandArray ['ventilation'] = 'On'
end
 
return commandArray

Kind regards,
Mark

[Treve]

if I understand correctly, should the fan turn on if the lamp is on for more than 2 minutes and turn off when the lamp goes out again?

[Markiey99]

Thanks for your reply

If the light is on longer than 2min, the fan should turn on. And if the light is shorter than 2min on the fan does not turn on. When the light goes out, the fan should remain on when it is turned on.

[Treve]

Thanks for your reply

If the light is on longer than 2min, the fan should turn on. And if the light is shorter than 2min on the fan does not turn on.

This is easely done by a Blockly

When the light goes out, the fan should remain on when it is turned on.

When or what switch the Fan off?

[Markiey99]

With blockly it is not possible, I have already tried everything in that. Blockly can't handle the option if the light is on shorter than 2min

The fan goes automaticly off.

[Treve]

B1.jpg (25.84 KiB) Viewed 1515 times

Set the delay of 2 minutes

B2.jpg (24.94 KiB) Viewed 1515 times

The second set (Ventilator = off) stops the timer of the Fan

This is working at my Domoticz 2020.2

Evert

[waaren]

With blockly it is not possible, I have already tried everything in that. Blockly can't handle the option if the light is on shorter than 2min

This dzVents script should do it

______________________________________________________________________________________________________________________________
When not yet familiar with dzVents please start with reading Get started Before implementing (~ 5 minutes). Special attention please for "In Domoticz go to Setup > Settings > Other and in the section EventSystem make sure the checkbox 'dzVents enabled' is checked. Also make sure that in the Security section in the settings you allow 127.0.0.1 to not need a password. dzVents uses that port to send certain commands to Domoticz. Finally make sure you have set your current location in Setup > Settings > System > Location, otherwise there is no way to determine nighttime/daytime state."
______________________________________________________________________________________________________________________________

Code: Select all

return 
{
    on = 
    {
        devices = 
        {
            'WC', -- WC light
        }
    },
    
    logging =
    {
        level = domoticz.LOG_DEBUG, -- change to domoticz.LOG_ERROR when all OK
        marker = 'Fan control',
    },

    execute = function(dz, item)
        local fan = dz.devices('ventilation')
        
        if item.active then
            fan.switchOn().afterSec(120)
        else
            fan.cancelQueuedCommands()
            -- fan.switchOff().afterSec(5) -- uncomment if fan auto off takes too long
        end
    end
}

[waaren]

This is working at my Domoticz 2020.2

Nice find!

Reason why I prefer to do this with a dzVents script is that this kind of Blockly script is executed on every device update on the system. On my production system that is on average > 100 times/minute

[Treve]

I think dzvents is a better solution but I’m not a programmer and try to find solutions at the blockly front. Most of the times I find a solution whether or not supported with variables.

[Markiey99]

With blockly it is not possible, I have already tried everything in that. Blockly can't handle the option if the light is on shorter than 2min

This dzVents script should do it

______________________________________________________________________________________________________________________________
When not yet familiar with dzVents please start with reading Get started Before implementing (~ 5 minutes). Special attention please for "In Domoticz go to Setup > Settings > Other and in the section EventSystem make sure the checkbox 'dzVents enabled' is checked. Also make sure that in the Security section in the settings you allow 127.0.0.1 to not need a password. dzVents uses that port to send certain commands to Domoticz. Finally make sure you have set your current location in Setup > Settings > System > Location, otherwise there is no way to determine nighttime/daytime state."
______________________________________________________________________________________________________________________________

Code: Select all

return 
{
    on = 
    {
        devices = 
        {
            'WC', -- WC light
        }
    },
    
    logging =
    {
        level = domoticz.LOG_DEBUG, -- change to domoticz.LOG_ERROR when all OK
        marker = 'Fan control',
    },

    execute = function(dz, item)
        local fan = dz.devices('ventilation')
        
        if item.active then
            fan.switchOn().afterSec(120)
        else
            fan.cancelQueuedCommands()
            -- fan.switchOff().afterSec(5) -- uncomment if fan auto off takes too long
        end
    end
}

Thank you! All working great now!

[Markiey99]

I think dzvents is a better solution but I’m not a programmer and try to find solutions at the blockly front. Most of the times I find a solution whether or not supported with variables.

Thank you too, I've been trying to do exactly the same thing with blockly because I can't program either. But with the quick help on this forum it is still possible to use a programmed script

[Treve]

Thank you! All working great now!

Witch solution did you choose?

[Treve]

I think dzvents is a better solution but I’m not a programmer and try to find solutions at the blockly front. Most of the times I find a solution whether or not supported with variables.

Thank you too, I've been trying to do exactly the same thing with blockly because I can't program either. But with the quick help on this forum it is still possible to use a programmed script

I can implement the most scripts, if you can read, you can make use of knowledge of programmers.
I struggle now how to login as Root to save the backup’s, I tried a lot without succes. I must read a lot more on the Forum I think.

[Markiey99]

Thank you! All working great now!

Witch solution did you choose?

dzVentz

[Markiey99]

I think dzvents is a better solution but I’m not a programmer and try to find solutions at the blockly front. Most of the times I find a solution whether or not supported with variables.

Thank you too, I've been trying to do exactly the same thing with blockly because I can't program either. But with the quick help on this forum it is still possible to use a programmed script

I can implement the most scripts, if you can read, you can make use of knowledge of programmers.
I struggle now how to login as Root to save the backup’s, I tried a lot without succes. I must read a lot more on the Forum I think.

Automaticly backups to the cloud are also on my to do list.

[Treve]

Finally I found a editor (VIM) which allow me to edit a root file (sshd_config) as pi user.
Now I’m able to login as root user.