Machinist

joined 2 years ago
[–] Machinist@lemmy.world 1 points 4 hours ago

Slashdot represent!

[–] Machinist@lemmy.world 0 points 2 days ago

I've not worked with infrastructure PLCs but have some familiarity with industrial PLCs.

The mode switch probably actually is an effective countermeasure. It's common to leave machinery in Setup Mode all the time as you can't change the program or parameters in Run Mode. I.E. you usually trust your crew not poke buttons they shouldn't. Only in large factories do you find Run Mode being used, even large shops often leaves it in Setup.

As to gateways and firewalls, the amount of machinery exposed rawdog to the entire interwebs is truly frightening. A lot of industrial equipment have exposed ports that are completely unsecured. Think RS-232 style comms that allow program and even parameter editing.

I would imagine that many sewage trearment facilities are even less technologically sophisticated than a medium size machine shop.

[–] Machinist@lemmy.world 8 points 1 week ago (1 children)

There's the whole thing where the first few joints of your fingers and toes turn black and rot off, but sure, eat some ergot.

Also, Datura is a common weed. Collect a bunch of seeds and share with your friends so y'all can all trip for days and not even know it. The kidney failure can kind of suck.

[–] Machinist@lemmy.world 3 points 1 week ago (1 children)

My capacity for apocalyptic news has to be carefully metered to prevent burnout and stress. (It's a balancing act.) Humanity seems to be hellbent on heading down a dark road with a bunch of ugly possible turns.

The potential to stifle FOSS is bad enough. What I find even more concerning is when the LLM gets good enough to reliably fool developers and can inject very complicated exploits from multiple sources.

I'm a programmer by trade, but it's highly specialized. Otherwise, I'm just a power user/script kiddie. My crystal ball is pinging alarm bells about some of this. It's hard for me to make an accurate assesment of the risk, I lack the knowledge. I expect unspecified bad things and am in a reactionary mode on this.

[–] Machinist@lemmy.world 6 points 1 week ago (3 children)

Woah. Not who you're responding to. Had a read through GitHub and one of the reports.

Been seeing the rumblings about AI fuckery and open source but haven't followed closely.

That's some spooky shit.

[–] Machinist@lemmy.world 15 points 2 weeks ago (2 children)

You can often fix membrane switches using conductive paint. Link to example. $11.

The PCB will have a pattern of traces under each button that are interlocked kind of like fingers that don't touch or two large pads near each other. The button of the membrane has a conductive patch that completes the circuit between those traces when pressed.

Usually the conductive patch is what fails due to wearing off. So you just paint on new patches on the memnrane. If the traces are worn, they can also be repaired with copper foil, solder, and careful work with an exacto knife. I've even seen aluminum foil and super glue used as a temporary fix on the membrane.

I would probably make this a an Old Man and the Sea project if it were mine. It's just so old, it needs to keep going.

[–] Machinist@lemmy.world 2 points 3 weeks ago (1 children)

Those are good security guides.

I think I'm at the point where it's more about keeping my head down. Protect my family and people. Hope we don't end up in a camp.

Until one of these occurs, nothing changes: some real national leadership opposing this, more than 5% start going hungry, or large numbers of people are being murdered/placed in camps.

[–] Machinist@lemmy.world 4 points 3 weeks ago (3 children)

It seems you've thought deeply about this. I've done so as well.

It really fucking freaks me out that such a large chunk of our society is detached from objective, verifiable realty. A fair amount of what they believe is pants-on-head crazy vengeance fantasy. Another big chunk has spooky parallels to literal Nazi propaganda such as the Protocol of the Elders of Zion, it's so similar that it's obviously just borrowed. It's shocking that more people don't see it for what it transparently is.

I have no clue what can be done about it. I don't know how society heals this or reinforces the value of facts, sanity, and critical thinking.

You got anything? Any thoughts about where we go from here? How to unfuck their heads? Where does this end if they aren't deprogrammed? How long will we be trapped in this?

Genuine questions because I ain't got a fucking clue at this point.

[–] Machinist@lemmy.world 2 points 3 weeks ago (1 children)

It's f'in neato. I'll be looking into it.

[–] Machinist@lemmy.world 3 points 3 weeks ago (3 children)

I knew about the relict popularion of mammoths that was still around. Wasn't aware of the tigers. Can you please tell me more?

[–] Machinist@lemmy.world 2 points 3 weeks ago (1 children)

Wait, is there a new worms game for real? The best couch multiplayer, dog cuss your friends and family game ever.

 

Similar to the tamale lady, boiled peanuts are best purchased from the elderly or a fat kid at a minivan in a parking lot. They come in a styrofoam cup or a ziplock. I like them partially frozen, the brine makes them crunchy.

 

Due to CAD/CAM and the nature of my industry, I'm stuck with windows on my daily driver for the foreseeable future. (Been using Linux since Ubuntu was new, have multiple servers and old chromebooks running different flavors.)

I've been putting off dealing with this. Goatfucking bullshit pain in my dick. Ffffffuck me right in the ass. I would happily slit Clippy's throat right in front of his little paperclip children and sleep like a baby.

Can I pretty please get recommendations on upgrading to 11 and unfucking it as much as possible? Comfortable editing the registry, using the command line, and monkeying with the BIOS. Anybody know of a good guide for neutering all the AI shit, copliot, onedrive nagging?

*Edit - Solved:

Thank you all very much! This is the advice I was looking for.

Long ago, I learned that when preparing to do a machine incantation; you must give the machine a good cussing. It shows the machine you are the boss and the machine gods are more likely to smile upon your efforts. I have a black cat and crossroads dirt in case things get real bad.

 

I recently acquired an old electro-cautery unit. Think it is from 1910s or 1920s. Has a big old multi tapped torodial transformer running to a couple of connectors/poles. It is by F. Geiger of Philadelphia. Wood case is labeled 110V. 60 CY. and 4V. 100A. Seriously old school cool and a little horrifying.

Insulation on power cord was brittle as was insulation from secondary to pole. Both have been replaced. I used crimp connections on the primary wires (didn't measure gauge but it's on the order of 20 AWG). I was in a hurry to test and will eventually solder it properly. I added a switch to the new power cord.

It works with output voltage varying from 0.1V to 4V. It gets a woodburning tip glowing orange at setting 4 (2 volts or so). Should make a great woodburner and be useful if I ever need to interrogate someone.

There isn't really a way to ground it and the screw on the control knob is electrically connected to the secondary. I have a gfci adapter that I could plug it into. Basically, if the transformer shorts, 110V could be exposed on the face.

There are two holes on the face plate, the power cord is running through the largest and the other is empty. It may have had a foot pedal.

I want to add a RGB indicator light for voltage level using the small hole. It's a little tricky to tell when the tap is lined up and you're getting voltage. A green - yellow -red fade and maybe white for NC. I have a spare Arduino Nano clone, but am not sure what circuit to rectify the AC with for the ADC. Maybe an Op amp follower? Power supply would be a 110-5v usb charger board. I would prefer to avoid a dual rail supply or higher than 5v.

Thoughts and suggestions appreciated!

 

Trying to get a better understanding on the whole tankie thing, found this study that seems unbiased. It looks at their online behavior. I would appreciate others review of the study, even if just bullshit or facts.

Jeebus these people are exhausting, they also spray so much disinformation. They remind me of MAGAts.

I don't yet have a feel for the dynamics like I do with MAGAts. How much of it is organized with handlers and such vs. organic true believers?

 

My son is about ready for his first printer. His school is running Cetus MK3 printers, he has a class using them, and his teacher has recommended this printer. He also has an educational seat of Fusion 360.

I'm proficient with Mastercam and hand written/modified G-code. I can help him with CAD no problem. Alignment, assembly, adjustment, and backlash are second nature for me. Have a little better than layman's understanding of printers. (Lusted over the Markforged printer that could do continuous carbon fiber.)

Eventually, will be building my own shop and hope my son might work with me. Hope to include printing, especially in metal.

I've seen some of the flap about Bambu and them closing up the software tool chain. I would like to avoid that sort of thing, for now, openness is better.

Top of my budget is around $500, with $200 probably being better.

Usable prints for tooling/spacers/repairs would be a bonus as would being able to print UV resistant plastic.

My goal for him is to get gud at modelling and get a feel for computer controlled movement. Another goal, harder to describe, is him finding the joy in mechanical tinkering and producing an idea made physical.

Thank you much! What do?

 

I have added a wifi repeater to the outside of my home so that my wife can watch her critter cams. It is a POE device that runs all the way back to my router.

Would like to install this surge protector but I'm getting conflicting information on grounding it. My installation is to the side of my house, not a metal pole.

Lowest effort options first, I can:

A. Place the protector inside near where the CAT5 enters the basement. Ground to a junction box that I installed that is grounded to the house panel and rod.

B. Ground internally to a water pipe or externally to the outdoor spigot.

C. Drive a ground rod where the cable exits the house and ground to it.

D. Repeat C and also bond to to the pre-existing home ground rod. (Least preferable option, rods would be on opposite corners of house.)

 

They hate each other so much.

 

Just looking up some DIY medical procedures and then the unwanted AI goes off the rails.

 

The electric PTO clutch on my 1969 mini tractor is dead and discontinued.

Original winding is aluminum 18 gauge. Manufacturer specs were 2.88ohms, 237 turns. The manufacturer specs didn't quite physically match what I found when I took apart the old clutch. If I understand this correctly, the 2.88ohms is the most important part and will pull 4.17 amps.

I just attempted a coil with 18 gauge copper magnet wire. I made it to the max dimensions I can get in the housing with a scramble wind. I'm getting 1.2 ohms, which would pull 10 amps or so. Not good.

Was able to get 187 feet given the resistance.

If I go with 20 gauge copper, assuming I can get 235 feet (1.26 * 187) and I should get 2.319 ohms. Probably get a little more than 235 feet and get the resistance up a little more.

What does this do to the strength of the magnetic field?

Would I be better off putting a power resistor in series with my 18 gauge coil?

Any advice greatly appreciated!

 

Another before:

It's green Vermont slate, figured out that it was originally painted black and marbled. Victorian thing, faux marble mantels. Fireplace is also Victorian faux, red brick, would have had logs and a red light. I'll be putting in a gas insert at some point.

Started at 220grit, and worked up to 1000. Finished with a 50/50 mix of boiled linseed oil and mineral spirits:

Didn't realize slate could be this pretty and figured:

 

Cishet male. In no way do I mean offense or have I tried to take advantage of lower functioning individuals, that's just sick. Best I can figure, I'm a typical. Maybe I'm a little crazy; but who isn't.

During a discussion about my son's neurodivergency, I realized I have a 'type' of woman. (Son is technically stepson, but he's my boy.) I tend to be attracted to high functioning women that are on the spectrum.

I've been in four relationships with divergent women, three serious and two extended friends with benefits. I've been in two serious relationships with typical women. Many flings with typical women. Figure that's pretty statistically unlikely.

In my experience, divergent women tend to have a refreshing openness in communication. Painfully honest. Direct. They have some weird stuff that can be alternately cute and irritating. When sleeping they either don't like to snuggle or like being an octopus. (My preference is octopus but my wife only tolerates some side contact.) They like to discuss instead of argue. Sexually adventurous and willing to work for satisfaction. They prefer precision in statements. I find myself writing in an extended way that I don't engage in with other people and try and pay attention to grammar and punctuation. Pretty sure this doesn't apply to all women on the spectrum, just my 'type'.

I dunno, just a strange realization, especially at this stage of life. It's not a fetish, just something that has occurred.

 

I'm 30 hours into a real bad trip. Didn't do it on purpose. Was cutting angel trumpet with an knife, was burning theroots.

Good thing Im experienced. Hospital would have been expensive.

This is some real bad shit. It's not fun. Stay away. Brugmanssia, Datura, hogweed, voodoo vine, don't fuck with it

Edit: waking up again, talked to my girl, she's okay. Have a unreal headache like a hangover. Going back to sleep. Typing is still difficult.

Edit: holy shit, still coming down. Trying for more sleep. I poisoned myself on accident. This is the nastiest thing I've ever run in to and I have experience. Please be careful around Angel trumpet and daura and such.

Edit: the boy is making me drip-drop electrolyte drink. I ate some olives. Ate some canned fruit. He found me some crackers. He's tired of hearing me tell him I love him. We're all going to be okay. It was close.

Edit: my fucking head hurts. Been a rough time. Think I'll be able to sleep hard soon. Walked to the corner store and back. Bought the boy every twix they had.

Edit. Now able to spit, gag and hork. Had hiccups for a while but didn't puke. Digestive system is waking back up. Had cotton mouth for two day des.

Edit. I'm down. Heavy shakes. 2:45am. Had to sleep with the light on in the bathroom. Going back to sleep in a minute. I just about died and now hurt all over. Real sleep is so nice. Y'all take care.

Edit. 7:00am. Just got off the phone. I've put my girl through a bad scare. She's happy now, says I sound more normal. Sense of smell is returning. Boy is still asleep. We're taking the day off, can load the truck tomorrow. Head hurts, ears are ringing. Drinking water and thinking about some coffee.

Edit: 10:46am. Speech continues to improve. Put hydrocortisone cream on my arms at my wife's direction.She's a RN. Boy fed me a coke and a liquid IV. Was able to take a hard piss earlier.

Edit: 11:40am 7-29-24. Here are some pictures of the rash on my arms and hands as well as the flowers. https://imgur.com/a/CqPl8AT

Edit: 1:49pm 7-29-24. The boy and I are watching Steve1989 eat some real old Twinkies. Clear fluid coming out of the sores on my hands and arms. The girl and I researched. Don't think there has been kidney or liver damage.

Edit: 10:04pm. 7-29-24. Sent my son to take a shower, going to brush his hair out. Will be going to bed shortly. We watched documentaries about beaches, cars, and guns. I've eaten crackers, cheese, Spaghetti O's and jello. Have a truck to load and a house to clean tomorrow.

Edit: 6:21pm 7-30-24. Rash continues to develop. https://imgur.com/a/gvE7wO5 Was able to do a limited amount of work today. Canceled the appointment with realtor for tomorrow. Have eaten around 5-650 calories and will try some chicken soup in a little while. Used shopping bags as gloves to put the exposed clothing in the trash. Took a short walk. Arms itch something fierce, face feels sunburned. We're watching Lassie on YouTube.

Edit: 6:09am 8-1-24. Had over a 1000 calories yesterday and was able to eat a pb&j. Most calories are coming from boost meal replacement drink. Had a much better night, was able to fall asleep around 1:00am. Been up and down several times. Lot of heavy sweating while asleep.

Think the reishi tea I drank last night kicked in. (Have used reishi I collect for around twenty years as a general healing and health agent as well as for my autoimmune disorder. Swelling of rashes is down as is the itching. Ganoderma applantum is the variety I find in the southern woods, usually yellow or cream but occasionally brown. Lighter the color, the more bitter it is, seems to work better. Have a bunch of Turkey Tail, Trametes versicolor, but don't think it's indicated. My belief in the usefulness of Reishi is anecdotal and may be placebo but I'll take what I can get.)

Had normal dreams, normal for me, I guess. Only got a bullet graze once in the dreams. Feel fairly normal, still a little weak but much more improved. Was able to turn off the music and sleep without it in the night. Was able to quit focusing as heavily on my heart and always having to slow it. Going to try and snooze a little, will look for vitamins

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