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Hey 👋 I’m Lemann: mark II

I like tech, bicycles, and nature.

Otherwise known as; @[email protected] and @[email protected]

Dancing Parrot wearing sunglasses

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  • 136 Comments
Joined 7 months ago
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Cake day: December 22nd, 2023

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  • Deleting documents from insider branch users a few years back, forced installation of HP SMART printer utility, constantly switching users’ default browser back to Edge, even bypassing my employer’s GPO to do so at one point in a Teams update

    Not to mention their habit of making practically everything opt-in by default. And what is up with the new Aptos “cloud” font that only works if you have an active Office 365 subscription?

    I don’t know tbh, Windows just doesn’t cut it for me anymore personally, mainly because of Microsoft. Stuck with it on my desktop though because of sim hardware.

    I still have XP on an airgapped old PC for nostalgia ☺️




  • Not the case with ARM processors sadly, IMO they’re a bit of a mess from that perspective. Proprietary blobs for hardware, unusual kernel hacks for some devices, and no device tree support so you can’t just boot any image on any device. I think Windows for ARM encouraged some standardization in that regard, but for the most part looking at Android devices it’s still very much the wild west.

    This is one of the many reasons why Raspberry Pi ARM boards remain popular for the time being, despite there being so many other cheap alternatives available: they actually keep supporting their old boards & ensure hardware on their boards works from the get-go.

    There are also some rare cases where Raspberry Pi rewrite open source implementations of Broadcom’s proprietary blob drivers, in one instance for the built in CSI (optional camera)













  • I personally think some types of openly developed software projects should have a strict non-commercial license: if companies aren’t willing to contribute back to the source IMO they shouldn’t be granted permission to freeload & have volunteers fix issues their paying customers run into

    Donations are possibly a bit of an exception here - there are quite a few companies that still do this, albeit growing slimmer by the day.

    Another big problem IMO is the subset of users that start attacking maintainers and volunteers because their “free app stopped working” etc. I see that a lot, mostly in the arduino community, but especially egregiously on the Zabbix project - I imagine a lot of those users are companies who aren’t even paying/donating to the project


  • The hospitals in my nearby city have their own BRT which is open to public use, and joined to the city’s ticketing system. It shuttles between them and various key locations, and is of course wholly subsidized for the intended users.

    Despite being the only BRT here it pretty much goes everywhere it should, skipping the usual traffic, and as a result gets a lot of use.

    If the users were limited to the regular transportation I think they would just all drive - while there are a lot of routes here they’re not entirely pleasant to use IMO and almost always get stuck in traffic



  • I have a steam deck, and while its somewhat portable, I wouldn’t want to carry one just to use at a charging station, considering the alternative is a controller stashed away in the glovebox. Probably also would want to carry the deck whenever leaving the vehicle too, considering how common it is in certain regions for some tesla models to be broken into and boot emptied out (apparently preventable with a 3d printed shim).

    With the crazy powerful GPUs in these cars IMO it’s practically free to enable this functionality for the user when the car is stationary, on a screen that is much, much larger and with a nicer sound system compared to any handheld or phone


  • IMO more accurate presence detection. Common sensors like PIR and cheaper doppler radar types can detect when there’s motion, but not if a user is present but not moving in the detection area (e.g. sleeping or sitting). There’s also open source projects that can track bluetooth wearables & phones to know who specifically is in a room, but these aren’t able to detect people with no devices, say guests and kids.

    The preferred approach at the moment is a combination of sensors to cover motion and person detection separately, which comes at a cost, both on your pocket and the time needed to get it working suitably for your needs, or maybe one of the more expensive radar sensors like the FP2 that can detect where in a space is occupied with higher accuracy than more affordable alternatives

    The thermal cam is roughly in the same price range as the FP2 - however since it has I2C, something cheap like an ESP8266 can be used to turn it into a WiFi based presence detection sensor. Something like an ESP32 could be used to turn it into a presence detector and wearable tracker, negating the need for another separate sensor entirely.

    Something like this would probably be quite close to plug and play for someone DIY focused, and wouldn’t have the same problem as radar being able to see through walls to different areas, although this is somewhat solved by surrounding the rear of the sensor in foil with caveats.

    I’m interested in how it performs outdoors in rain though, a lot of existing affordable sensors (except PIR) struggle a little in wet conditions, with doppler based ones not detecting anything