I want to control my heating system with Cayenne, and I want to do it low cost. So, no expensive brand RF thermothates.
Wishlist:
Most of the rooms floor heating.
A few rooms radiator heating.
Every room his own temperature control.
Every room a small tablet for Cayenne (light switching, equipment switching, temperature control).
My simple thoughts:
Every room a temperature sensor (Raspberry PI zero Wifi with temperature sensor).
Every floor heating group a actuator (Raspberry PI zero Wifi with actuator).
Every radiator a actuator (Raspberry PI zero Wifi with actuator).
In Domoticz modules (I don’t know the right description) where I can type in or turn up/down the temperature I want for that room.
Scripts that compare the measured temperature and the wanted temperature per room and (de)activate the actuator for that room/group or radiator.
Who has experience with this, can help me?
Rob
bestes
March 8, 2017, 2:15pm
2
Hi Rob,
You can browse the Cayenne Projects category to get a feel for what some Cayenne members have made for their heating systems.
@Bill has experience with the Pi Zero and fully automating the home, he may be able to give you some advice
Bill
March 8, 2017, 6:05pm
3
Yes- been there, done that.
Hello Bill,
Thanks for your reply.
Can I get some information about it?
Since today I have Cayenne. I use it with a Raspberry PI and I can measure temperature and switch on a relais when the temperature is above a certain level and switch of when it is below a certain level.
But now: how can I adjust that level on my dashboard, and not in the trigger edit mode?
Rob
Bill
March 8, 2017, 6:57pm
5
slider widget-
As far as I know, the only way to plug a variriable into Cayenne is by using the SLIDER widget. i’m not SURE about that, either.
For what I understand is that you only can use a slider if you have a device connected that can use a slider value.
It would be nice if you can fill a variabel with a slider value and use that variabel in the trigger.
I wonder if you can use a variabel?
Bill
March 8, 2017, 7:23pm
7
The SLIDER widget is a virtual thingie,
I HAVE sent positioning data TO a servo motor
That would be nice, but if you choose Add a widget Slider it asks for a device.
In the tutorail it also says:
Change the value of the connected device, such as dimming a light. The units, MIN and MAX values can be adjusted in settings.
So, it is not a virtual thing.
Bill
March 8, 2017, 7:42pm
9
It works 4 me-
Select ANY device and add a slider-Sonoff Switch .
-Perhaps @adam knows more about Slider widget.
As you can see, in my case Cayenne wants me to select a device in the right side of the screen. If I place my mouse on top of it, it gives a red NO symbol.
The second thing is: how can I define a variabel?
I have run in the same issue with selecting the device. Try adding an Actuator->Generic->PWM Output, the widget type should be a slider.
As far as setting a variable from the slider, I use a slider for setting a motion sensor timeout value that is passed back to the device and set as a variable. You just need to use a CAYENNE_IN(VPIN ) function to get the value from the slider. The VPIN is actually going to be whatever Virtual PIN number you assign to the slider, for example V8.
1 Like
Bill
March 8, 2017, 8:38pm
12
Awesome!
-my memory is a bit mushy.
It aproves that you are only human!
Hello Andre,
Can you please be a little more specific because I am new in Cayenne and I don’t know how I can make/use a CAYENNE_IN(VPIN) function.
It would be nice if you can make a step by step explanation.
Thank you.
I have the idea that this is working for a Arduino environment, but I am using a Raspberry PI.
adam
March 16, 2017, 5:02pm
17
If you are using a Pi you will have to go with the MQTT API for custom widgets. Cayenne Docs Let me know if you need any help!
