I'm after a watch that I can put on a kid when they are on their own at a park etc.

What I'd like:

  • It's own data connection so it doesn't need a phone with it
  • Home Assistant support so I can track it remotely via home assistant, automations, etc
  • Some way of calling them when it's time to come home, or them calling us when needed
  • We don't have an iPhone so I think Apple is out since it needs an iPhone for setup
  • No subscriptions outside of the cost of the cellphone plan
  • Preferably doesn't need OEM servers, just connect to Home Assistant
  • Handling knocks and bumps would be a bonus
  • If you can run a non-google OS without tracking etc GrapheneOS style then yay but I don't know if that exists

Any suggestions?

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[–] 4 points 7 hours ago (1 child)

it has a camera and microphone, so can you actually do video calls?

I don't think any of the T-Watches have cameras. But you're right about the meshtastic bandwidth, it's more for some simple messages.

So if the network isn't great here I assume I can put up my own node.

Yep, and a node is just another LoRa device, like the T-Watch. If it's just near your house, it should work great. My Wio Tracker L1 picks up a repeater on the other side my suburb, and that gives me some crazy range.

It doesn't sound like you do, but if you need intercity range, LoRaWAN might also be worth looking into. In Queensland, many city councils (Brisbane, Gold Coast, Moreton Bay) have their own LoRaWAN networks that peer with The Things Network, and you can integrate it with Home Assistant using an integration, or my preferred way is through MQTT. You would probably have to write the firmware yourself with this option though.

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  • [–] [S] 2 points 7 hours ago

    I don’t think any of the T-Watches have cameras. But you’re right about the meshtastic bandwidth, it’s more for some simple messages.

    Sorry I misread, it said speaker and microphone. So it can do voice calls?

    Was I right about just getting two watches for communication? Is there a good crash course on understanding this stuff?

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