I’ve had a fitbit wifi bathroom scale for a while. Getting the data out got suddenly more difficult when Google bought them, and I didn’t love giving that data to google. It’s finally died, and I’m looking at replacement options.

In a perfect world, I could just go to a store and buy a “HomeAssistant Ready” scale. If I can’t have that, I’d like a scale that is on my local network and exposes the last x weigh-ins as an API on the device, then I could write something to poll it.

I haven’t seen anything like those, but have turned up:

  • a project to decode the bluetooth transmissions of a number of scales (after you build an ESP32 device for it)
  • the Withings cloud based scale, but with a well documented API

Any other good options?

  • hendrik@palaver.p3x.de
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    3 days ago

    I got a Xiaomi scale 2 (years ago) and that works with the OpenScale app. It’s Free Software. There is a list of supported bluetooth low-energy scales by that project/app.

  • antlion@lemmy.dbzer0.com
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    4 days ago

    If you can find an old working Wii Fit Balance Board you can use it as a very accurate Bluetooth scale.

    • macroplastic@sh.itjust.works
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      3 days ago

      I use openscale and a Beuer BF700 (I think that’s the model #, it’s a model listed in the github wiki) and it works great, although I had to do the initial setup on their proprietary app to get the profiles to work right, and the scale had to be imported/was a bit hard to find. The wiki includes instructions for modifying a scale to add an arduino and the necessary bits to DIY one if you’re at all technically inclined.

      I recommend it, but YMMV if you try to use a newer scale. If I ever have more time I would like to try to extend the drivers to support more scales, because openscale is very good software.

  • Rivalarrival@lemmy.today
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    4 days ago

    I use Tasker to log my weight to a Google Sheets spreadsheet, and just use a dumb scale.

    The only piece of technology in my house is a toaster from 1982, and I keep a loaded shotgun next to it just in case it makes a noise I don’t recognize.

  • ArcaneSlime@lemmy.dbzer0.com
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    3 days ago

    I can’t help, I wish I could, but I’m curious. Why a smart scale? Why not just any dumb scale from Bed Bath and Beyond?

    • thirdBreakfast@lemmy.worldOP
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      3 days ago

      I like data, I like tech, I like investing large amounts of time and energy to self-host things that muggles would not bother with.

    • Joelk111@lemmy.world
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      3 days ago

      I’d guess automatic history tracking. Step on it every morning and it’ll automatically save your weight to Home Assistant or whatever so you can see if you’re gaining/losing over time.

      • ArcaneSlime@lemmy.dbzer0.com
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        3 days ago

        I suppose that makes sense, honestly I just go with “more/less than last time” lol. If I went more in depth with it I’d probably use a pen and paper.

        • interdimensionalmeme@lemmy.ml
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          2 days ago

          Cumulatively pen and paper will add up to more effort. And I would person give up at some point. It would probably never enter my daily jabits. Realistically if on the scale everyday, the changes are so minute you won’t notice the monthly and longer duration trends.

          It’s really surprising there isn’t a no bullshit option you could just buy

        • Joelk111@lemmy.world
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          3 days ago

          I don’t keep track of my weight so I could be wrong here, but more/less than last time wouldn’t be very helpful as your weight can vary by the day. You need a trend over weeks to really see what’s going on. I definitely wouldn’t use pen/paper as it’s just too much data to organize and graph, but excel would be a reasonable alternative.

  • sunstoned@lemmus.org
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    3 days ago

    OpenScale works great and kind of does what you want. If you have an old Android phone laying around you can have it persistently connected to a cheap Bluetooth scale. Functional, but at a much have higher power cost than an ESP32 solution. Automated database exports to a local file (on the android device) and Syncthing can move your data around for analysis.

    The good folks over at Gadgetbridge might have a solution too, although their list of supported scales looks pretty short.

    You might also look into making a project like rmfakecloud to trick your Fitbit device into pushing data to a local server.

    Not sure about home assistant though, I’ve never used it.

  • restingboredface@sh.itjust.works
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    4 days ago

    I have a withings and I really like it. Their privacy policy made me feel better about allowing my info on the cloud. You can run it offline (it sends weight via Bluetooth to the app but won’t show 7-day trend an scale screen without wifi). I don’t mind that, so I leave it disconnected. I don’t use a home assistant though so I can’t speak to that part.

    I have the withings watch also, so I use the app as my catch all health tracker which works well. it’s nice to have everything together. Can’t speak to any others but I’d recommend withings.

    • rumba@lemmy.zip
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      4 days ago

      I went from Fitbit to Withings, that Fitbit scale was nothing but pain. Every time my battery started getting low it would disconnect from Wi-Fi and I have to re pair it. It was inconsistent, If you pick it up and move it a foot to the left you get a completely different reading than if you just leave it where it sits. Because of the messed up fluctuations, It constantly identified the wrong person in the house.

      Had the Withings scale for 4 years now and it’s just been fine.

    • deafboy@lemmy.world
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      3 days ago

      I use miscale 1 with gadgetbridge. Homeassistant has also autodiscivered it, but I’m hessitant to pair it with 2 different devices so no idea if it actually works.

    • cyberwolfie@lemmy.ml
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      3 days ago

      This is what I use. Replaced my old Fitbit Aria 2. I weighed in on both scales for about a month, and it was consistently 0.15 kg below, which is good. The body fat measurement was a bit more off, and it varies almost nothing over long periods of time, but I don’t really trust those measurements anyway.

      I believe you can set up the scale in GadgetBridge as well, but I have not tried to do that.

  • Geologist@lemmy.zip
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    3 days ago

    Not local, but I’ve been using my withings scale for at least 5 years, and I sync the weights with its home assistant automation from the withings api, then plot the data on a custom health dashboard I made.

    I’d love a local alternative, but regardless I haven’t had any problems with my setup.

  • billbasher@lemmy.world
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    3 days ago

    I don’t have any options for you but make sure you get one that doesn’t use battery when not in use. It’s really annoying replacing those little coin batteries all the time even though you only use it like .001% of the time

  • stalfoss@lemm.ee
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    3 days ago

    I’ve had a withings scale for like 5 or 6 years, use trendweight.com for a graph, I haven’t had any problems with it besides replacing the batteries every year or so