Saigonautica

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31.
by Saigonautica 2y ago
Here are some good "value for money" tool brands I use (I live in Asia): 1.Yihua combined hot air rework station + soldering station. 2.Pro's Kit multimeter, tweezers, and wire snips. 3.Uni-T hand-held oscillosope (quite opti
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by Saigonautica 2y ago
It's a long weekend over here, so I managed to load up the code, BOM, KiCAD files, production files, and assembly instructions. Also some scope trace images of what the signal should look like at different stages: https://gi
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by Saigonautica 2y ago
I just chose this step for calculations, as it's the most energy intensive part of my AI workflow. Upscaling / extending to get a usable result is really fast by comparison, and I only do it for a few images. It sort of rounds dow
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by Saigonautica 2y ago
Oh, that's way better! I guess the comparison only holds as approximately true with home setups -- thanks for the references.
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by Saigonautica 2y ago
Also out of curiosity, I did some quick math regarding that claim you read somewhere. Cellphone battery charge: I have a 5000mAh cellphone battery. If we ignore charging losses (pretty low normally, but not sure at 67W fast charging)... Tha
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by Saigonautica 2y ago
I've got a self-hosted personal library management app more or less done here: https://github.com/seanboyce/ubiblio An electronic board game similar to Settlers of Catan ( https://github.com/seanboy
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by Saigonautica 2y ago
I usually settle on this design: https://hackaday.io/project/184643-schrdingers-trigger The zener design works well, but I find the signal it produces is a little too fast to sample conveniently (it works a bit too wel
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by Saigonautica 2y ago
Microwaves never cease to amaze me. If I were in some alternate timeline where they weren't ubiquitous, and you told me such a thing would soon be in everyone's homes, there's no way I would believe you. I mean, people puttin
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by Saigonautica 2y ago
It's widely known among EEs. It's used for lots of interesting things, such as temperature control, motor control and positioning, and LED lighting. You can do it in hardware old-style with a 555 timer or hex inverter, but most mo
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by Saigonautica 2y ago
I vaguely recall one in the Venus Prime series by Arthur C Clarke. I did a quick search for you -- it was a Playfair cipher in Volume 2 of the series. I recall it even encouraged the reader to crack it themselves with some hints! Hope you e
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by Saigonautica 2y ago
I made a small and light CRUD web thing in FastAPI to organize my personal library. Mostly it focuses on physical books, but handles ebooks too. I published it as FOSS and some people requested features, so I expanded it a little. It's
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by Saigonautica 2y ago
A working solution for me was to deploy a little website to organize both my physical and ebooks in the same place. For physical books, it tells me where they should be. For ebooks, I can download the file, the website is light enough that
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by Saigonautica 2y ago
It's not my place to critique your beliefs -- you may find Gödel's incompleteness theorem interesting to think about though. It was the end of the attempts to unify mathematics under a common set of axioms, as far as I know. I fin
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by Saigonautica 2y ago
I've been thinking about this a lot lately. I share what I read, but only with very close friends. I'm hesitant to lend books out -- people are not great at returning them (partly my fault, I'm also bad at tracking the loans)
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by Saigonautica 2y ago
Perhaps there is one in your area: https://wiki.hackerspaces.org/List_of_Hacker_Spaces I'm in Asia so no luck, but on the bright side, tools are quite affordable here.
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by Saigonautica 2y ago
I enjoy AVR Assembly a lot. A big reason is that Atmel has very good datasheets. However if having an audience for your games matters, this is maybe a bad choice. On the other hand, if you would like to use LEDs, buttons, and sensors (or ju
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by Saigonautica 2y ago
I immigrated to Asia around a decade ago and the relative optimism for technology and the future in general is one of the things that struck me as well. I mean, if you look for pessimism you'll find examples of that too -- but in broad
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by Saigonautica 2y ago
The reminds me of a few Thai colleagues who ended up with a legal first name of "Mr." (period included), probably as a result of this. Buying them plane tickets to attend meetings and so on proved fairly difficult.
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by Saigonautica 2y ago
Ah, I live in one of those impenetrable realms, and have made some progress deciphering their arcane glyphs. I can tell you that here in Viet Nam, accounting is almost entirely done in spreadsheets. I've mostly seen similar in nearby c
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by Saigonautica 2y ago
I'll slot some time in to write it up properly in a month or two! This month is busy but I will get around to it. Would you like me to drop you an email (to the address in your profile) when I do?
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by Saigonautica 2y ago
I designed an electronic board game, very similar to Settlers of Catan. There are some electronic Catan builds out there, but I found them really expensive -- e.g. opting for a smartwatch screen + microcontroller for every game tile (of whi
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by Saigonautica 2y ago
A more accurate analogy would be that without looking at very much sand, you already possess one grain of sand in the exact shape of your face. This spikes your curiosity and you ask: What are the chances of finding another?
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by Saigonautica 2y ago
I have successfully managed (once and hopefully again) a Canadian visa application, for a Vietnamese family member (tourism). It was slightly longer than my thesis, although much shorter to complete -- unless you include failed previous att
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by Saigonautica 3y ago
I think that's a fair judgement! There's an expression I've heard here that amounts to "If you lose your job, start a business". People prefer steady jobs, but if that's not available, you either start a busine
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by Saigonautica 3y ago
Your tiny dinosaur assistant is awesome! I encountered a similar problem, but solved it with USB keyboards / keypads instead. I managed to get a low-speed USB host working on ESP32. Now I use these instead as much better build quality
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by Saigonautica 3y ago
That's always been my understanding as well. I recall some cases in the last few years where this resulted in quite a bit of the funds being recovered. Sadly I cannot remember the specific cases.
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by Saigonautica 3y ago
Without this intending to be a comment on whether it is just or not, there's an interesting caveat to the law that might be of interest. De jure, here's an amount that the guilty party can repay to avoid the death penalty. I recal
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by Saigonautica 3y ago
Some people here do pay bribes. I do not. Neither do most people around my age that I know. I immigrated here 12 years ago. I have a company license, a driving license, proper residency, and so on. I got every last piece of it by filling ou
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by Saigonautica 3y ago
I own a company in Vietnam. I do not do this, and was never asked to do this. To the best of my knowledge, neither have any of my other colleagues that own businesses.
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by Saigonautica 3y ago
Interestingly, outside the USA, this can be the case! In my jurisdiction (Vietnam) I have to do a yearly audit proving that I do business, or I can lose my license. Additionally, as the owner I must have up-to-date contact information in a

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