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Videos: Two (more) of them (Patreon)

Published:
2024-03-08 20:02:03
Imported:
2026-06
Tags:

Content

Little Guys: Ep 4 - https://www.youtube.com/watch?v=AOEz3E0k9F8

Little Guys: Ep 5 - https://www.youtube.com/watch?v=EEHKo8M_FMg

Bonus "Purr Edit" of ep5: https://www.youtube.com/watch?v=m1gfl2HS1qA

I am a little concerned about posting too many of these but, you know, I shot em, so I should post em. I still don't know what schedule I'm going to release them with but I figure this is the next couple months worth of "little" videos. I'm planning on going in and shooting another "big" video this coming week.

Also these don't exactly have the tone I intended when I set out with this series because both of them kind of went off the rails, but that's what a lack of script leads to, I suppose.

Hope you enjoy, and please remember that any comments you leave on YT will be lost when I reupload for public release.

Comments

Chas Becht

I like the sound of things going off the rails.

MetricConversion

I’m really enjoying this series! It’s great as is!

Michael Vokabre

I watched previous videos recently and it was a delight!

A Bird

Honestly I’ve been loving the pace of these new uploads, and the informal nature of the Little Guys series has been a ton of fun. Never apologize for producing banger after banger.

Sausages mcgee

Really loving this series and the quick start one, it’s a really creative use of the channel and you’ll carve a nice niche for yourself. But be careful of the burnout monster, it’s real.

George Dorn

EP 4: A watchdog timer is a specific kind of failure detector. There's a system counting down from some number, and if it ever reaches zero, it reboots whatever it is watching. The thing it is watching sends a command to reset the timer periodically, leading to the phrase "kick the dog" being a comment in a whole lot of embedded systems code. A lot of microcontrollers have watchdogs included onboard, so using them is as simple as one line of code configuring how long to wait before resetting the chip and a line of code that kicks them occasionally, but in this sort of 'embedded computer' scenario it's likely a separate watchdog module and quite a few cables to try to do both soft and hard resets.

Chas Becht

My guess is the little USB PIC18fmumble board with the unpopulated components in ep5 is probably a genericish USB-to-GPIO bridge kinda thing. With different components populated it could switch a higher power load or something. In case you were expecting Dio, but it's me little guy.

Mick's Lil Bits

I got 15 minutes into #4 trying to get it from context before giving up and asking the internet what a "coinstar machine" was. I guess they're so common over there that it's like saying "phone booth"? 😁

Kerne

That Premio is the same style box as the Qotom I bought off Amazon years ago that runs my pfSense. Great for the most part, although Tom Lawrence has had a few of them have LAN ports suddenly fail.

GRDC

Episode 4: You *can* run audio over DVI, but it's not officially part of the spec. Some graphics cards did it when DVI was the new hotness, and you still see it these days a lot in hobbyist "HDMI" devices that cheap out on implementing the full HDMI spec for licensing or complexity reasons and just wire DVI up to an HDMI connector and let backwards compatibility work. Compatibility with DVI audio is supposed to be hit or miss, but it's worked for me with everything I've tried with it.

cathoderaydude

Oh yeah, I guess these would probably be local huh. Yeah they're fixtures in every single grocery store in the country afaik.

Xaviette Katzenfrau

"these don't exactly have the tone I intended when I set out with this series because both of them kind of went off the rails" relatable ADHD moment but also if anything that makes the episodes MORE interesting - it's not just about the Little Guy, that's simply the start of a bizarre odyssey where we pick up far more useless computer knowledge than we know what to do with 🤣

Mick's Lil Bits

100% this. I had no idea I wanted to watch you desolder a DVI connector until you did it.

Mick's Lil Bits

Cash itself is barely a thing here anymore, but even in the past I've never seen anything like those. Can't imagine having enough coins around! It's wild to think about.

Asriel Yuill

ah yes time to Inject These Into My Veins

Aidan Rayner

IIRC my AMD A8-6600K and Gigabyte motherboard will do audio over DVI - had an HDMI adapter plugged into it and it quite happily sent audio over to the monitor I had plugged in. It’s pretty neat!

Torbjörn Lindgren

0.5mm pads like that is thick enough that it can be a problem for items not intended to use with a thermal pad. It does work for some cases but it's much safer to use pads intended for this, IE 0.1mm or 0.2mm pads. They still add some height compared to paste but far less.

_Pai

I'm really loving the way you present this series. By taking the time to explain what these little guys do, who they're for, and why they're built the way they are to meet those needs, you're able to tell the story of these devices in a way that a simple teardown video wouldn't.

cathoderaydude

Thank you! I am at least trying to contextualize them, even if I don't have as much firsthand experience as I wish I did, it beats just going "why's it like that"

Rich

Love getting even more li'l guys to learn about. Big thank you for this new series.

Bike Forever

A wonderful afternoon binging on wee'uns while pulling a T1200 to bits. Thank you.

The Wooniest Woona

I'm enjoying the crap out of this series. Each one is like a little adventure.

Loading_M_

One note about GPIO vs DIO: my understanding is that GPIO means the pins can do more than just digital. The RPI pins can do uart, spi, i2c, and PWM (at least I think they can do all of them), as well as maybe analog. DIO would just be reading or writing a single bit. (It's possible to bit bang a protocol or PWM, but the GPIO on the RPI has dedicated hardware).

Funkmon

I missed these when you posted them! I have to say, and I mean this sincerely, that was one of the best videos I've ever seen. It was well shot. I saw everything I needed to see. You did what I would have done. Take shit apart and experiment. When you pulled out the graphics card I was like "oh my God is he gonna do it please do it please do it" and you did it. And then when it worked I cheered with you. This is the video that makes people have parasocial relationships. Me and my friends used to do this shit all the time and I felt connected. I felt like we were friends fucking around. Look, this should NOT be what you do and you shouldn't pivot the channel, but these lower effort, take shit apart and go off half cocked while making lame jokes and googling stuff, man... It's like having nerd friends again. When you run out of little guys, keep this type of thing going with the next thing that piques your interest. You can't lose that passion and curiosity. It was excellent man. Excellent. Glad I paid you to do it. Haha It's a long comment nobody will care about, so I'm dumping it here, and I'll just throw one on the YouTube video for algorithm purposes.

cathoderaydude

Thank you so much, I'm actually having a rough day due to health issues and this made me feel a lot better. I certainly am glad I started this series, and I'm thrilled that you're enjoying it.

Aaronjamt

I know I'm a bit late to the party, but the passive cooling on the NCR machine reminds me an awful lot of the Niveus machines... is that kind of passively cooled Little Guy a common thing in industrial applications or something? I know Niveus was targeting an entirely different market, it just seems weird how you've now covered at least 3 separate devices with that concept. Heck, the NCR machine even uses heat pipes to move heat from the CPU to the aluminum casing (although maybe not quite as small-startup-engineered as the Niveus)!

cathoderaydude

Oh yes, passive cooling goes *way* back, basically to the earliest days when PCs started needing active cooling at all. There are literally thousands of fanless PCs going back decades that all use basically the same principles, the only thing that really differs is the presence of heat pipes or lack thereof. The thing that makes the Niveus remarkable is just that they sold it to more or less regular consumers. To the best of my knowledge that's completely unprecedented; for some reason, despite passive PCs being an ancient product, nobody will sell them to normal people, only businesses.

Aaronjamt

Well that explains why I'd never seen/heard of that design. I honestly think that NCR machine would make a solid home NAS, throw a couple 4TB drives in there in RAID and you'd have a backup server, Plex server, Windows Media Center server to rival the Niveus... come to think of it, that could make a fun video, or at least side project: Media Center running on that box, then play it off the Edge...