Hi, i'm trying to make a function to select an hour to turn off the lights at 19:00 the only method that i used before is a delay but i was looking and i found the get mydate get hour, there is way to use a function like this.
var set hour to turn on = new Date("April 2, 2020 01:15:00");
if get Dte hour == set hour to turn on
msg.payload = "on";
return msg;
So you want a GUI to select the hour?
That will require a dashboard to be used.
(Not that difficult)
The example (I'm guessing) is just that. There is no sign of 19:00 in it.
Why do you want to turn the lights OFF at 19:00? That's around sunset and I would have thought you would want them to be turned ON.
How much of a flow do you have?
@Trying_to_learn i know this is what i have until now i kinda everithing that i need but i need to join it.
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Well, it imports - eventually.
The first function node is a problem. It shows as having an error.
The problem is that when I open it and look at the code, none of the lines have an error beside them.
Usually the line with an error is shown clearly.
I'll look at it and see what I can make of the flow.
Ok, this line:
mytime.setFullYear(2000,01,01);
It seems to be creating an error.
Another Problem is in the other function node:
var value = context.get('value') || 60000;
if (msg.topic == "value")
{
value = msg.payload * 60000;
context.set('value',value);
}
That is asking for trouble.
It gets the value in the first line.
Then it checks if the message changes the value.
It probably would work a lot better if you had it this way:
if (msg.topic == "value")
{
value = msg.payload * 60000;
context.set('value',value);
}
var value = context.get('value') || 60000;
I am struggling to see exactly what you are wanting - though you have said it - I am just missing something.
You have 3 dashboard (thanks it took me a while to find all the buttons, etc).
Why?
If you are wanting them all to work together, I am - again - missing something.
I like some of the magic you use in the sleep timer node.
But the node.send([null,msg]); command is beyond my scope.
I think someone else will help you better than I can.
Would something like this help?
https://flows.nodered.org/flow/79a66966a6cc655a827872a4af794b94
This is a crude flow I put together.
I hope this is of some use to you.
I haven't connected things up. But the ACTION! message is when things match.
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@Trying_to_learn sorry i will try to explain it better.
What i want is in my dashboard choose the hour that i want to turn on and turn off the lights so basically in my function i try to set the hour and after the function will send for example at 19:00 a msg.payload to the mqtt out node with "on" and then at 29:59 a msg.payload to the mqtt out node with "off" and then again at 06:00 am a msg.payload with "on" to turn on the lights.
Very simple nice idea. But to remarks:
You will have to run two instances of the whole flow for on and off right now.
By using an interval of 30s on the inject to check the time you have the possibility that the command could be executed twice as the accuracy of the saved time is only down to one minute and so it’s true for a whole 60s.
Best regards Johannes
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Johannes thanks a lot that really help me. I'm stilll touching the code.
Just saying.....
The flow I posted was pretty much the same, but rather than have two change nodes to set the variables (flow/global) mine did it with one and used the topic to set the name.
Sorry i didn’t mean to offend you in any way and as i said above i think your idea is very simple and clean. But i saw the two problems i mentioned above when i answered you and wrote when asked a streamlined version where there wasn’t the problem with double triggering at the time and showing the use of the text input in timepicker mode and checking for both on or off in one function. I didn’t mean to take away from your original idea.
My apologizes if it looked that way.
Johannes
That's all right. I just was confused why you did it with two nodes.
Yes, I can get that you wanted it easier to understand.
My brain seems to have problems with parsing information and keeping things in memory just now.
It's ok to post different ideas/way. I think I do it a lot.
I shall have to go back and check/update my intake of what you said, because as I said: I don't seem to remember it.
i use two change nodes because i set one variable for the time it needs to get turned on and another one for the off time as i need to save both. I think the confusion is also due to that we use different formats of putting in those times from the ui in our flows.
No Problems.
I went back and only looked at the screen shot. Not actually loading the flow.
(Didn't help me with my confusion)
I set the scan time at 30 seconds for a reason I can't remember just now, but I think it is something along time lines of "scan at twice the speed you need the sample" because if you are scanning at the same frequency, problems can happen if you miss just one event.
Anyway, I have a new problem just now. On one of my computers and it is annoying.
TTYL.
@Trying_to_learn Andrew @JGKK Johannes thanks both flows helps me i'm testing and i'm trying to see what is more functional for what i'm trying to do.
@JGKK i'm testing your code there is a way to do the opposite of this function.
const ms = msg.payload;
let result = [];
const intm = String(ms/3600000).split(".");
result.push(parseFloat(intm[0]));
result.push(Math.round(parseFloat("0."+intm[1])*60));
msg.payload = result;
return msg;
Also could you recomend me how to change the this....
so i have a string payload and i was looking for a function to convert it in to an array like in the picture the firsts values are strings and with your code are arrays so i want to change my data in to the same format on your code. @JGKK
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