NFC Tags and Home Assistant. Make things happen in your smart home!
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- Опубликовано: 7 фев 2025
- Take some NFC tags, a phone to read them, and make things turn on and off. Arm your alarm system from the truck. The sky is the limit on using NFC tags.
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relieved to see that this video had mostly Chris in it. I was worried it would only be partly Chris
lol
Great video Chris - just ordered a pack of 50 for E10....looking forwards to playing with them :)
Very cool. Thanks for the really great video Chris. I was able to follow along and have an automation running in just a few seconds!
That is awesome!
Another great video.. really learning a lot from you. I ordered NFC stickers to use with homeassistant... so suppose I have one automation linked with one nfc sticker that will open the garage door. Would I be able to know that whose phone was used to scan the nfc sticker ???
Kindly reply
Great Video. I have set these up too. I am having to push a notification on the iphone to get the light to turn on or off. Can you help with this? Thank you
Can you give more details about how you have it setup and what your automation does?
Congrats on 1k!
Thank you! BTW, I replied to that email a couple of weeks ago.
@@mostlychris didn’t see anything in the inbox 🧐
Spam folder?
great video! I have an xSIID RFID implant that I'm going to be setting up some automations for
Excellent and thanks!
Hey Chris! I'm a huge fan of your content, please consider writing an E-book for HA. I'm sure many of us will buy it.
Thanks Jose! Great suggestion. That's something that will depend on how much time I have for extra stuff but I will definitely keep it in mind.
You can just use toggle and it will turn it on and off from one NFC Tag, but if you have to have a condition, then you can make two states and still use one tag.
A bit confused.. Are you asking if you can make two states using one tag? If so, example of use case?
@@mostlychris no, no question mark at the end of my statement. This is how it is done currently.
Excellent. How do you use it?
@@mostlychris when you set the action for the light or switch on the tag, you will select "toggle". If you need to set an on percent of brightness, then you won't use toggle. But you can still use one tag with two separate automations. First automation would see if light was off, before turning on, and check if light is on at the same percentage before the light is set to new state. For the second, you would check if it was on before it would turn it off.
Ahh ok. So you are applying some conditions and then cascading. That makes sense.
Hi Chris, Altho this is already an old vid. I would like to know if you know something for this usecase.
I want the kids to open the garage with a nfc tag.
My kids have the companion app on their phone so there is no problem I can include their phones in the automation but for extra safety I would like a pincode for each member. Any idea how to execute this??
Would this still work if I stuck a custom sticker on top of it?
NFC can go through a sticker, great way to hide these things. I have a cat sticker with a NFC tag hidden under it on my laptop. :)
how do you get a tag to work with a second and or third phone
I think you would just add the tag to the HA app on those phones and then set up actions to do what you want with them.
@@mostlychris i was thinking that would override the write already on the nfc tag
Here you go: community.home-assistant.io/t/use-one-nfc-tag-with-multiple-phones-and-users/275408
Liked and suscribed, thanks buddy!
Thanks!
This is awesome! Definitely going to do it. I just have one question, would it be possible to scan this if you aren't at home for example if I scanned one when I got in my car? Is there a way to do this? Thanks
At the end of the video, I show using it in my truck. I do this quite often as a matte rof fact. As long as your phone app can reach your Home Assistant you can put the tag anywhere--example, have a tag at a location for when someone arrives. A kid or significant other making it to work or wherever.
Thanks for the explanation. Is it possible to trigger the automation only when a certain phone scanns it? Not all phones but only yours for example
Yes I believe so. Just specify the device in the configuration file that is allowed to act on a scanned tag. The device_id setting is probably what you want.
Already subscribed. - from Philippines
Welcome!
How do you originally add the entities like playroom light and stuff
Those are my z-wave devices. In order to use the NFC tags in automation, you need to have defined/added the entities first.
@@mostlychris thank you but what I was wondering is how to add the lights in home assistant
What kind of lights do you have?
I have the tag set to toggle my garage door control. However, in the video, you don't have to open home assistant for your automation to run. When I hover over my tag, it says 'Open in home assistant." So I open home assistant, and then the automation runs. Is it because I have different tags as you, or did I do something wrong in the automation or tag programming? Also, just to make certain - If I place this tag on the exterior of my home, only a phone running my personal home assistant will be able to open the garage door correct? Thanks!
For the first part of your question, what phone are you running? Do you have something else that reads tags? I wonder if it doesn't think HA is the default reader for tags. You are correct in that all I have to do is unlock the phone and away it goes. Did you provision that tag in the HA app on the phone initially?
For the second question, the automation is tied to your HA instance and user. Someone could conceivably scan that tag, but it wouldn't trigger your automation because it isn't linked to your HA instance and your user. DISCLAIMER: Make sure you test and accept your security posture that you are comfortable with. Try another phone and see what happens.
@@mostlychris Using an iPhone 12. I set it up on the same iphone and I never used a NFC tag before. When the tag is read, a banner come up from home assistant and when you click on that banner, home assistant opens and the automation runs. It works, just have to do that extra step.
I am going with a complete guess that apple security has something to do with this.
EDIT: Reading the internet this is common. Let me see if there is a quick solution.
EDIT 2: Here is some good info and a potential workaround: statusq.org/archives/2021/01/04/9955/
Hi Chris, this looks really impressive. I've just started getting into Home Assistant this week and I've found your videos really helpful. With these tags does the phone that is scanning the NFC tag have to have the Home Assistant App installed or can it be any phone, so if someone was to come and stay I could put an NFC tag near the door and they could scan it to turn on the lights etc. Probably a weird example but it's an instance where they're very unlikely to have HA on their phone.
You have to tie that NFC tag to something that will action it. In this case, the HA app on the phone. It might be possible to find an NFC reader for the phone and configure it for a webhook action to HA but you would still need the owner of the phone to install something. You might be better off doing some sort of presence detection using WiFi or BLE for having an action occur when a guest arrives.
Great video Chris, I’m deffo going to try it. I’m interested how you’ve setup your home feed though (on the right), how did you do that?
Thanks! I used the home feed card. You can find it if you install HACS (see my getting started series for that) and then once HACS is installed, add the home feed card and what entities you want to display in that card.
@@mostlychris nice one, cheers Chris! I'm running on unraid so I'll have to see if that's possible but good to know it's that simple
Interesting. Not sure in regards to unraid. You can always do manual install of custom components but then you need to manage them each by themselves. HACS just gives a nice interface to manage the myriad of custom components out there.
@@mostlychris I'll let you know. HoweverI'm thinking of setting my home automation stuff up on a separate box after watching some of your vids, so this might be the catalyst I needed...! I've already got an SDR stick in the post to do some 433 sniffing :-)
Cool. I like that idea. Simplifies things a bit and standardizes for updates/support.
This would be way better if the wife kept her phone with her.
Yeah..there are some issues that have to be solved in other ways.
Is it wise having your index address just out in the open like that?
If you are referring to the tag IDs, I've changed everything out after making the video (tags are in the demo bin now). If this is not what you mean, could you please elaborate.
I just can see the url to your home server is what I mean
@@WadeLucas It's an internal IP address so nobody can do anything with it, really.