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Cake day: June 12th, 2023

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  • I can get a board from AliExpress with an ESP32-C3 on it with free shipping for £1.10, so I’m not inclined to believe the £0.765 unit cost for a 5000-part reel from Mouser is really the cheapest way to get them in bulk as the other parts on the same board and the shipping have to cost something.

    The cheapest hygrometer that Mouser sell is £0.748 per unit for a 10,000-part reel, and its datasheet says not to leave it for more than 60 hours in greater than 80% relative humidity (which is a pretty likely scenario for a dehumidifier) as it’ll drift, and if it happens often, it’ll age faster. You need to spend more to get rid of that restriction. I’ll concede that the accuracy penalty if you cheap out isn’t as bad as I thought - I’d not actually looked at a datasheet to see how badly modern hygrometers would drift, I just knew that they did - so plenty of manufacturers wouldn’t care, but the parts are still comparable prices, not a factor of ten like you’re claiming.


  • AnyOldName3@lemmy.worldtoxkcd@lemmy.worldxkcd #3109: Dehumidifier
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    9 hours ago

    The built-in hygrometer’s not necessarily going to be as good as a well-designed home automation system, especially if the fan’s not running all the time, so it has to wait for damp air to diffuse into the machine. It also lets you do other things, like not bother turning the dehumidifier on if there are open windows if you’ve got some way to detect that, or report the humidity to something that will graph it. It’s not stuff that most consumers will care about, but a microcontroller with WiFi like the ESP8266 or ESP32-C3 costs less than an accurate hygrometer chip, so it doesn’t make much, if any, difference to the final price, particularly if the product was going to use a microcontroller anyway.






  • You can’t make an LLM only reference the data it’s summarising. Everything an LLM outputs is a collage of text and patterns from its original training data, and it’s choosing whatever piece of that data seems most likely given the existing text in its context window. If there’s not a huge corpus of training data, it won’t have a model of English and won’t know how to summarise text, and even restricting the training data to medical notes will stop mean it’s potentially going to hallucinate something from someone else’s medical notes that’s commonly associated with things in the current patient’s notes, or it’s going to potentially leave out something from the current patient’s notes that’s very rare or totally absent from its training data.






  • AnyOldName3@lemmy.worldtolinuxmemes@lemmy.worldwindows update
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    26 days ago

    Variations of this meme get posted every week, but I’ve never experienced it, despite having had tens of grub updates murder-suicide the Windows boot loader and grub itself across five or six different machines. Thankfully, it’s pretty easy to rebuild a Windows boot partition, but the frequency that I’m hit with this problem is one of the major reasons I avoid using Linux. Eventually I’m going to have to switch, but that’s driven mainly by Windows getting worse rather than any of the pain points I’ve had when trying to switch full time in the past having been fixed.


  • It depends on the kind of acceptance. If you accept that certain things will be harder for some people and make reasonable accommodations so they can get on with their lives, then people can get on with their lives. If you accept things will be harder so use that as an excuse for people never doing anything without removing any of the obstacles stopping them doing things, they’ll never get anything done. It’s really just addressing the problems versus deciding the problems are inevitable and giving up. That said, giving up can be a lot less miserable than refusing to acknowledge problems and yelling at people when they don’t keep up.