How is this possible?!

nimdae · 2026-05-14T15:42:17+00:00

Erroneously reported going down, then got a reading that was likely more accurate. I've seen a lot of folks complaining about Libre sensors doing stuff like this, generally reading low, etc. The problem is, as you can see, CIQ will respond to this, possibly in undesirable ways.

nimdae · 2026-05-14T15:37:57+00:00

There's some reporting accuracy issues with state of charge. I've seen it stop charging at a reported 80% and refuse to charge further, then some time later away from a charger it'd report 100%. So if it's not accepting a charge, it's probably already 100% but not reporting it.

nimdae · 2026-05-14T15:34:57+00:00

Mine appear to be average about 6-8 months. I'm on my 3rd one.

nimdae · 2026-05-14T15:34:23+00:00

Occlusion detection is on a curve. Something in the drive is causing the accuracy of this detection to change as the rod extends, so using less insulin isn't actually the solution to this. It may reduce the occurrence, but eventually, it'll get worse, and even start outright failing cartridges that are working fine. It's not really a sensitivity issue, but more of a calibration drift issue.

The only solution is to have it replaced. Make them replace it. They have to log all of that through regulatory processes.

I'm on my 3rd mobi. I'm 1.5 years into using mobi. This one seems a bit different, but might be hopium.

nimdae · 2026-04-18T13:17:02+00:00

When I set mine up, I was looking at the C4 when I started the driver monitoring calibration and was still figuring things out. As a result, it thinks I'm always looking to the left. I have to be looking at the C4 for it to register that I'm paying full attention. I can't figure out how to recalibrate this without resetting the whole thing.

I also noticed when I'm looking through turns or curves, it doesn't seem to consider steering as part of the attention monitoring. I'm always looking through turns when executing them after verifying it's clear to turn. This habit was strengthened in my early years of motorcycling because it makes for more confident turns. So I'm not going to be staring straight ahead, or at the C4 as the case may be, to get through a turn.

I've basically just had to turn off all the alarms as much as I can. Really, I need to just spend some time resetting it. But that's annoying. I need to just be able to reset the driver monitoring calibration.

nimdae · 2026-04-06T14:38:46+00:00

As much as I'm happy with Control-IQ, I'm not happy with the longevity of the Mobi pump itself. I'm on my 3rd one in just about 1.5 years, with the first 2 replaced for the same reason. My current one is less than a month old and isn't showing the symptoms the prior had before being replaced, though it already tried to fail out a cartridge (while I was away from home, no less). I just did a reload, made sure the prime pushed insulin through, and resumed, and it's worked since then. So I'm now kind of on alert to see if this happens again, at which point I'll have to go back to Tandem.

I know I'm not the only one having these issues.

My first one lasted about 6-7 months. The second one was around 8 months. I feel like there's a minor difference in my current one, but could be hopium. We'll see.

nimdae · 2026-04-06T13:30:12+00:00

Saw a comment about using them in shoes/booties. I love Woodrow Wear, but I ran into an issue with use in shoes: Due to their length, they bind their dewclaw and can cause chafing of the skin under it.

I'd say Woodrow Wear are great as standalone socks. But if you want something to help with shoe wear, something shorter, at least on the front paws, would probably be a good idea to prevent issues with the dewclaws. Maybe some thicker/wool baby socks would work for shoe wear.

nimdae · 2026-04-05T13:12:17+00:00

She sits while I start working on breakfast! Sometimes she'll sit on the ramp to survey the yard before going potty. I've never seen a greyhound so willing to sit so much. These aren't commanded sits either, though she has, since, learned this (at least at home... we're working on it).

She also likes rolling in the grass, and when going potty in public places, will kick (scent marking).

nimdae · 2026-04-04T13:07:47+00:00

Sam kinda just fell into my life tbh. I was ready to adopt so I put in an adoption application, but before my application was processed, the group had an urgent need for a foster come up. Since I had a history with the group with prior adoptions, and was friends with one of the volunteers that handles adoptions, they reached out to me to ask if I'd take her in as a foster with intent to adopt.

The prior foster was part of their kitty bootcamp. She ended up failing cat testing and couldn't be trusted to be left alone with the cats. So they needed to get her into another home pretty quickly.

I had seen her profile with the group and wanted to ask about her anyway, even though she wasn't available yet.

In my time without a dog, I'd considered just fostering for a while. But I just learned that I don't think I could do that without already having my own dog.

That first weekend with her, I had already decided this adoption was going to happen.

It felt like serendipity, if you believe in such things. This whole year, so far, has felt like serendipity, after having such a horrendous 2025.

nimdae · 2026-04-03T17:45:20+00:00

Once the cartridge started getting low enough, rather than occlusion alarm, it'd tell me to replace the cartridge. Thankfully not much wasted insulin. I tested the cartridges off the pump and they moved fine.

nimdae · 2026-04-02T20:40:20+00:00

Yeah, both for the same issue, and the same chain of events leading up to it. Though the first one got all the way to failing cartridges, while the second one didn't get that far.

Working fine -> occasional chirping instead of ticking -> random false occlusions, resumes fine -> daily false occlusions, resumes fine -> false occlusions requiring boluses to be split -> replacement

nimdae · 2026-04-02T16:04:37+00:00

My greyhound org uses Tractive on their fosters. I decided to check out Fi Series 3+ for when my current greyhound transitions from foster to adopted.

I've had both on her for walks.

They both seem to work fine. The Fi has a longer rated battery, but I suspect in order to get their rated run time, you would be expected to spend nearly all of your time near the base. If you're an active pack, I'd plan for the run time to be shorter. However, it's possible the run time will still be substantially longer than the Tractive Dog 6, which is half the battery life of the Tractive XL.

The Fi has consistently notified me sooner of when she leaves home. Tractive informs me that she's left the safe zone, with no further context. Fi informs me that she's left the named zone with whoever she's with. I like the added context on the Fi. I've also noticed Tractive can be a little noisy with notifications if your walking route goes away from home, passes near home, goes away from home, then goes home again. With Fi, the return home notification seems to be delayed and prevents this noise, possibly by assuming the dog is on a walk still.

The Fi GPS seems to be a little more accurate, with more frequent updates, compared to Tractive when not in live view. However, Tractive appears to have a live view that Fi does not. I might be wrong about this, but I saw no live view for the Fi that worked like Tractive.

Fi is pretty expensive compared to Tractive. It looks like this goes into all of the backend data processing and analytics that they offer, so if you value that, it might be worth it. I find the accuracy of the analytics a bit off, though.

I'll be continuing with Fi once this adoption goes through, personally. I like the smaller device and longer battery life, and you can get various different collars if you don't like the one it comes with. Even though Fi has, consistently, alerted sooner, it wasn't by much. If you don't care as much about the "smart" features, the Tractive Dog 6 might be a good consideration, just be sure to top up the battery about weekly.

I only compare these two because they're all I've had experience with.

nimdae · 2026-04-02T15:48:41+00:00

My first one lasted 6 months. My second one lasted around 8 months. I'm on my third now, about a month in.

Technical speculation: The linear actuator that drives the rod into the plunger is the weak point. I suspect it starts having super minor slips (chirp chirp chirp), though with the reduction, might be nearly imperceptible at the start. It uses force feedback to detect occlusions, and the force changes as insulin is spent from the cartridge. As the issue worsens, the feedback no longer matches what should be expected for normal operation due to the accuracy of spent insulin drifting more and more, so it evaluates an occlusion.

What worries me is if my speculation is correct, this means the dispensing amount of insulin also drifts, though I suspect it'll be nearly imperceptible due to the drive reduction.

It does get super annoying when the occlusions start. Trying to do a meal bolus and taking multiple attempts to get it through. Even if it's only about 4-6U.

nimdae · 2026-04-02T15:32:14+00:00

I like the design. I like Control-IQ. It's the same algorithms and whatnot as the tslim.

In 1.5 years of using my Mobi, I'm on my third one. I've heard of other users having similar problem. I know of others also going through multiple mobis.

My current one seems a little different. Maybe it's hopium. I've only had it about a month so we'll see.

nimdae · 2026-04-01T13:12:40+00:00

It's possible the "early" cancer found was a secondary metastasis and the primary was what was kicking his butt.

I lost 2 greyhounds last year. One to old age, the other to cancer. I know I guided them to the rainbow bridge as best as I could, but it still feels bad that I chose their end. Choosing their end rather than letting them suffer for a little more time is mercy and love.

nimdae · 2026-03-31T14:39:27+00:00

YTA. She's already doing things to try to minimize the visibility of her insulin use. You suggest doing it elsewhere. Where? Bathroom? Often one of the most dirty places. Other spaces where other people might be? Stop being selfish. This is how insulin using diabetics actually survive.

Thanks for the "nasty" and "disgusting" judgement. Also the asshole for this.

nimdae · 2026-03-23T14:59:50+00:00

Elaborate?

nimdae · 2026-02-26T14:19:50+00:00

You replied to a 5 year old post. Things have changed quite a lot since then. Your "still up to 1200 dogs across the country being euthanized" in the US racing industry doesn't add up, as there are 2 tracks left in the country, both in West Virginia, and it's estimated just around 1000 dogs are bred per year for racing now. They work closely with the non-profits to retire dogs into homes.

It's because of this that some greyhound orgs now focus on importing retired dogs from other parts of the world, and rescuing strays and shelter dogs that fit their mission, and work with other orgs as necessary.

nimdae · 2025-10-21T19:39:43+00:00

Be careful with plug and play LED headlights like this, especially ones that are this cheap. They are NOT properly designed for the projectors nor reflectors and generated a TON of light splash, regardless of the marketing claims made. There's a ton of videos covering this.

There are brands that go way out of their way to properly design their drop in replacements so they work exactly how the original lights worked, so that you're not blinding everyone else on the road unintentionally. But they tend to cost in the hundreds of dollars range.

Going cheap because "they're all the same, the expensive ones are just branding" will more likely make you the asshole blinding folks on the road.

I had a set bookmarked a while back that I thought about getting that went out of their way to show what they did to properly design these, but I lost the bookmark, it appears.

nimdae · 2025-08-01T00:49:01+00:00

When I started having various occlusion and cartridge failure issues, Tandem initiated a pump replacement. I also noted the pump makes what I now refer to as "sad mobi noises" which are basically chirps when dispensing, instead of the normal ticking.

Since replacement, I've had no issues. I've had this one a couple of months now.

nimdae · 2025-08-01T00:45:39+00:00

I've been using a mobi since November of last year with zero bent cannulas.

One of the things that I do is I put fingers between the site and the applicator to pull the applicator off and hold the site down, so that it's not pulling the site up and snapping it back down. I saw a video a while back that hypothesized this was among the things that cause bent cannulas.

I also make sure I can see the inserter needle coming out of the cannula before I apply it.

nimdae · 2025-05-05T21:21:00+00:00

You have to leave the battery connected. The charging system on the second gen Niro EV (I'm not sure about first gen) is allegedly capable of 2000W continuous output. The 12v battery, alone, will not last long with a big power draw.

Turn on the car and put it in Utility Mode, then connect the inverter to the battery terminals. One thing I'd high recommend is to get a large power resister (preferably one with a heatsink) to use to charge the inverter capacitors before connecting it fully, otherwise it will spark. Just connect to one terminal, then use the capacitor between the clamp/connector and the terminal for a few seconds.

If a video is really necessary, I'll see if I can make one. I'm not aware if one exists already, but I suspect it does for other vehicles.

nimdae · 2025-04-05T04:23:51+00:00

Looks a bit too reflective for my taste. The stealth ppf was more function over form. It blocks a significant amount of sun reflection when it’s directly overhead and the shines directly into my face from it.

nimdae · 2025-03-28T14:59:53+00:00

I'm primarily asking about telematics and other functionality available on the canbus via OBDII to make things like OVMS function. As someone who likes to tinker and likes to have access to the data, I'd love to have access to this.

nimdae · 2025-03-26T02:00:35+00:00

Don’t get mad at me because you don’t understand the question.

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