@emeb@society.oftrolls.com
@emeb@society.oftrolls.com avatar

emeb

@emeb@society.oftrolls.com

Wireless and Audio DSP designer

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MLE_online, to random
@MLE_online@social.afront.org avatar

I posted a few weeks ago about how people were leaving empty nitrous cylinders lying around and wondering if they could be reused for something.

Someone left two of them in the gutter of my house last night, so I grabbed them to get a better look at them.

They are heavy steel. The end caps look like they're 1/4" thick. The label on the tanks say they are rated 120 bar working pressure (1740 psi). That's a lot of pressure!

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online I remember reading an article about how UPS was researching compressed air regenerative braking for their delivery trucks. Wonder if that'd work on a bicycle?

Doomed_Daniel, (edited ) to random
@Doomed_Daniel@mastodon.gamedev.place avatar

If anyone has a recent AMD (i)GPU and is running Linux, can you do me a favor and test something? Only takes one or two minutes:
$ wget https://github.com/dhewm/dhewm3/releases/download/1.5.3/dhewm3-1.5.3try2_Linux_amd64.tar.gz
$ tar xf dhewm3-1.5.3try2_Linux_amd64.tar.gz
$ cd dhewm3/
$ wget https://files.holarse-linuxgaming.de/native/Spiele/Doom%203/Demo/doom3-linux-1.1.1286-demo.x86.run
$ sh doom3-linux-1.1.1286-demo.x86.run --tar xf demo/
$ ./dhewm3

Once the mars globe in the main menu is at full size, on my Laptop (with Ryzen 7640U w/ RDNA3) I get these blue flickering specks; I wonder if everyone gets them.

Thanks in advance! :)

emeb,
@emeb@society.oftrolls.com avatar

@Doomed_Daniel Tried it out on my AMD Ryzen 5 5600U with Radeon Graphics under Fedora 38 and it worked fine - no obvious blue flecks.

MLE_online, to random
@MLE_online@social.afront.org avatar

The little palo verde seedlings are coming along

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online The palo verde trees here in the Phoenix area are in full bloom right now and the yellow petals are falling everywhere like yellow snow.

kwf, to Bitcoin
@kwf@social.afront.org avatar

So I took a random 100W solar panel I have laying around, plugged it into one of those Chinesium 120V grid tie inverters that you can just plug into the wall, and it sits in my yard and it actually makes me 20¢ per day.

Eat your heart out miners.

emeb,
@emeb@society.oftrolls.com avatar

@kwf Was just reading an article about how similar "Balcony Solar" systems are becoming popular in Germany for folks who don't own their own homes. Sounds like an interesting idea. Got any suggestions for the grid-tie inverter?

mansr, to random
@mansr@society.oftrolls.com avatar

The Jehovah's Witnesses knocked on my door (I wonder who let them into the building). This time I chose to engage them until they begged to leave.

emeb,
@emeb@society.oftrolls.com avatar

@mansr You're God's way of testing them.

MLE_online, to random
@MLE_online@social.afront.org avatar

I found where I can get pure, high-quality pitch for my pitch-drop experiment build, but I have to buy a kilogram of it.

It's not that expensive, but I don't need a kilogram of tar. I need a a couple ounces maybe

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online You could make a pitch-pot for metal chasing. Who doesn't need yet another skill?

MLE_online, to random
@MLE_online@social.afront.org avatar

Adobe is so goddamn dumb. They want people to use their cloud collaboration platform so badly they put this stupid Share button in the tool bar, and left it floating over the top of actually useful buttons, like the one to OK a crop.

Everyone hates this, and used to disable it, so they took away the user's ability to turn the button off.

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online "Hey, if we trick people into sharing their projects on the cloud then that will make our platform more valuable!"

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online Yep - "The cloud is someone else's computer."
I love using Github to publish stuff, but I always keep my own copies, and some stuff is just for me and never goes online.

MLE_online, to random
@MLE_online@social.afront.org avatar

Everyone, let's congratulate @fredy, who has today joined the proud ranks of Honda Fit owners.

Becoming an owner of the Greatest Modern Car is cause for celebration indeed.

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online @fredy We've had one for the last 8 years and are very happy with it. Why oh why did Honda discontinue it????!!??

MLE_online, to random
@MLE_online@social.afront.org avatar

Does anyone know of a project for a point and shoot camera using a raspberry pi and a USB webcam (<-- this is an important detail)?

There are lots of projects like this that use the raspberry pi camera, but I can't do that in this case.

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online Realize I'm a bit late to the party here, but is Raspberry Pi an essential part of your project? If you're just looking for a point & shoot digital camera project there's a new one coming from Adafruit that looks pretty hackable: https://www.adafruit.com/product/5420

yakkoj, to random
@yakkoj@fosstodon.org avatar

It's heartwarming that every source listing of old Apple II stuff that was commercial used MERLIN assembler

Only Apple themselves used EDASM for anything serious (the most serious being DOS, ProDOS, and SOS.)

SOS was a strange one in that Apple kept building it on the Apple II using EDASM instead of using the assembler they made for Apple III PASCAL. It required like 8 disk][ drives to build it! I ported the whole thing to cc65 and can build SOS.KERNEL in about 2 seconds ;o)

emeb,
@emeb@society.oftrolls.com avatar

@yakkoj cc65 has a pretty decent assembler - I've used it for a few FPGA-based 6502 soft-core systems. Don't much care for the weirdness that the 6502 imposes on its flavor of C though so I tend to stick to assembly.

mansr, to random
@mansr@society.oftrolls.com avatar

Whenever "right to repair" is mentioned, my first thought is of Loretta's right to have babies in Life of Brian. You might have the right, but you're never getting the means.

emeb,
@emeb@society.oftrolls.com avatar

@mansr Very true - a lot of the folks crying for right to repair wouldn't know which end of a soldering iron to grab. That said, I view it more as a right to choose who will do the repair for you, which means you can hire someone that does have the means rather than giving the original mfg a monopoly on repairs.

emeb,
@emeb@society.oftrolls.com avatar

@mansr @C8H10N4O2 @attilakinali @flameeyes I was highly amused by the "malicious obedience" tone of this Apple repair kit: https://www.theverge.com/2022/5/21/23079058/apple-self-service-iphone-repair-kit-hands-on

emeb,
@emeb@society.oftrolls.com avatar

@attilakinali @mansr @C8H10N4O2 @flameeyes True facts - and it's important to remember that "right to repair" extends beyond the major cell phone mfgs. Fixing washing machines, TVs and electric toothbrushes is something I do and although it's getting harder these days due to increasing technology, it's still possible.

mansr, to random
@mansr@society.oftrolls.com avatar

It would be much easier to find good information on the internet if it wasn't clogged up with people complaining about AI-generated clickbait.

emeb,
@emeb@society.oftrolls.com avatar

@mansr IOW - complaining about low SNR reduces SNR?

mansr, to random
@mansr@society.oftrolls.com avatar

If those big companies are so evil, isn't it a good thing that they're firing people?

emeb,
@emeb@society.oftrolls.com avatar

@mansr My understanding is that when someone is laid off there can't be any non-compete restrictions imposed by their former employer. Seems like a prime opportunity for some of those smart folks to start up competitive enterprises and beat up the evil corps.

mansr, to random
@mansr@society.oftrolls.com avatar

Remember, genuine Marmite looks green in UV light.

emeb,
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@mansr It's made out of ground up scorpions?

emeb,
@emeb@society.oftrolls.com avatar

@mansr Not surprising. I recently picked up a ~390nm UV lamp and it's amazing the things you can see with that vs the ~405nm near UV LEDs that I've been using for a few years.

MLE_online, to random
@MLE_online@social.afront.org avatar

My plan to visit Ventura by bicycle and train has been derailed by the discovery that my train tickets only let me bring my bike as far as Union Station.

If I want to take my bike the rest of the way, I have to buy a separate ticket for the second leg of the journey. That ticket costs $26. I could drive my car there for $9 in gas :/

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online I wish the US had real passenger train service. Some members of my family used to take the train between Eugene and Seattle - frequently it arrived many hours late or they were put on a bus for part of the journey.

mansr, to random
@mansr@society.oftrolls.com avatar

Today in things the so-called datasheet doesn't tell you: the fractional PLLs in the Allwinner H3 go wonky if the chip temperature is below 20 °C, or 30 °C if you're unlucky.

emeb,
@emeb@society.oftrolls.com avatar

@mansr Sounds like they're planning their silicon for our glorious climate-changed future!

emeb,
@emeb@society.oftrolls.com avatar

@mansr That's just planned obsolescence. Look for new parts with top temp ranges coming soon!

mansr, to random
@mansr@society.oftrolls.com avatar

What's with this new fetish for not using search engines? What's next, cooking without using a knife?

emeb,
@emeb@society.oftrolls.com avatar

@mansr When the knives are exfiltrating every detail of your life back to Henkel what are you supposed to do?

MLE_online, to random
@MLE_online@social.afront.org avatar

I have to do some serious yard work today

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online Amazing. I envy your banana plants but it looks like they need some TLC. All that biomass would make some good compost though - just gotta mulch it.

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online Those are the keys. Decades ago we bought a Black & Decker electric garden shredder (sadly no longer made) and have nursed it along ever since. All our trimmings go through it and onto the landscape & garden. Modern ones are almost useless due to weak motors and intrusive "safety features".

MLE_online, to random
@MLE_online@social.afront.org avatar

Something just reminded me of when I was at the rock swap meet in Quartzite, AZ, and some good old boy looked at me as he walked past an said something like, "Now, there's a real American woman!"

emeb,
@emeb@society.oftrolls.com avatar

@MLE_online Quartzsite is a really weird place.

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