Hi /diy/. I have a bit of a pickle.
I have this seven port USB hub, four ports USB3, three ports USB2.
One day the USB2 ports stopped working, USB3 ports still work fine, I noticed maybe a day later that the USB2 end of the hub was very warm. I opened it up and giving it a bit of power found that the source of the heat is the USB2 controller chip (U4).
I have tried to find a short to ground to no avail, USB7 looks a bit dodgy but not enough that it would make the controller chip overheat.
Even then, if I find the fault somewhere else what is the likelihood that the controller chip will still work after the temperatures it reached?
Should I just cut my losses and rip the chip from the board and have three ports that can only provide power?
>>1006894
sounds like your chip failed, and there's no reasonable prospect of spontaneous revival unless you can get Jesus to lay his hand on it.
death: it's part of life for both man and silicone.
>>1006907
Well, my soldering iron arrives tomorrow. I guess I will rip and tear it off the board.
you're gonna fuck it up with the soldering iron. even experienced people have trouble with SMT components. fortunately, it's very easy to just cut the pins one by one: press down with an x-acto knife. you can leave the discarded pins behind, or scrape them away getly using the iron.
My country is heavily restricting sales of thermite so I thought of making my own. But I want to be able to create something purer and better quality (then that DIY shit you often see on YT).
I have money, time, lots of tools and a creative mind.
https://warosu.org/diy/thread/S1000157#p1000171
Also, don't shoot my dog when you raid my house pls.
Nice try
>>1006324
Aluminium foil > blender > ball mill.
0000 steel wool > bleach to make rust > water to rinse > sun to dry > blender > ball mill.
At least that's what the internet tells me.
I am renting a house, and would love to be able to have a place to sit, eat, grill etc, but there's no deck or patio area, see pic related is theback door. The landlord also won't let me build a patio for some stupid reason and wants it left with the stairs just ending in the lawn.
Is there something I can throw down on the ground to make a temporary patio like surface while I live here?
>>1006137
Bricks, pavers, etc
>>1006137
Nothing that won't kill the grass underneath it.
I suppose you could mount growlights underneath a platform if you were really crazy.
>>1006137
maybe pallets, depending on what you can find
Ok, so I tried this thread over in /adv and got bitch slapped, with one exception, for no real reason. Yes the key is stupidly simple. Yes any moron could pick this lock. But how? Why is the lock this key opens a joke? What is a technical explanation of why this is a bad key? I need this when I go to wreck the apartment management. And now, the earlier post:
So I come home for lunch today and some asshole is trying to rob my apartment. It's a small studio. I'm in the doorway, there's no other way out. He's hiding behind the wall separates the kitchen from the main room. I yell out, "Hey man, I know you're here". Not sure why I did that, still processing I guess. I start to call 911 and he rushes me. We go down in a tangle in the hallway. He gets to his feet first and bolts down the stairs. I know he cant get out of the building without moving through doors with camera, so I run to the rental office and they call the cops. We have him on camera tailgating someone into and out of the building. He left his hoodie in the south stairwell. The Crime Scene technician showed up (Cute as Hell!, My age!, Sharp as it gets! I... I...) and dusted the pile of expensive electronics on my floor. I asked her if anybody ever tryed to rob a clean apartment. I got a smile! The staff found a hoodie (yeah the guy was black, not that that means much) in the south stairwell. The CST was going through it in the rental office and pulled out a homemade lock pick. Looked like twisted coat hangers and shit. I showed her the key to my front door and she flipped out. Then she looked at the apartment manager and said a 10 year old could pick my door in 10 seconds. Anons, here is the key, I'm calling on anyone with locksmithing experience to verify. How simple is it to pick a lock with this key cut? Just so you know. I didn't loose anything. I must have gotten there about 10 minutes after he did. In the end, I got a half day off and a hell of a story.
Is that you, Irish Stu?
>>1005918
No Irish Stu here. Just some guy that got his day wrecked by an asshole trying to steal his stuff.
>>1005916
Is that seriously your key?
So Is there anyone who know how to work a arduino?
Project
Solar tracking rig for maximum sunlight using a arduino.
1. Fully automated sun tracking.
2. I must have 2 axil control.
3. Abel to hold 10 panels.
4. High winds must be taken into account and turn accordingly.
5. Low budget.
So there is my project (Personal project for own home. No power grid connection. Solar only) that im busy with. Point 2 and 3 I can do. Im studying mechanical engineering part time right now. So the rig and strength is not a problem for me to build.
My big problem is the electronics and the arduino. I tend to do 10plus hour days and 18 hour days is not uncommon for me. I dont have the time to turn the rig by hand. The second motivation to the automation is that I get about 150W maybe 200W if its a good day out of a 900W array. And its not the panels. I have tested them. I still need to add another 600W to the current array. To run everything that I need to run at this point.
Later on, I need to add 3 more arrays to give me a total of 6 kW.
Questions.
1. Im looking at the arduino nano r3. Daz anyone have any experience with the arduino? And will the nano be enough.
2. My limited experience say that LDR sensors is the path to go, Mounted in a star to give direction. Any thoughts?
3. Is the LDR sensors sensitive to the angle the light hits them?
4. Any thoughts, comments, advice or criticism anyone can give.?
Thanks.
Other thing I forgot to add is stepper motor requirement and sufficiently sized drivers.
Listen bro, I can't help you with this but I just want to share something I've learned through the years.
You're going for the holy grail right now. Don't. First build a platform that can be turned and skewed with a simple panel. Fine tune the shit out of that, it needs to be absolutely flawless. You'll need an Arduino, some motors and a little pit of engineering.
Once that is all done and is working like a champ, once that is done.. don't you fucking dare build a sensor that tracks the sun.. the sun follows the exact same path every damn day. So you're going to program a cronjob that turns the panels according to the time of the day.
In case of storms it's probably best to let it go back to it's default flat state.. which could simply be done by measuring the windspeed from a high pole nearby the panels.
Anyway, good luck.
You'd have a much easier life by programming it to move according to a timer.
Sensors introduce complication and a damaged sensor can screw over your entire array.
>bird shits over LDR
Another complication you'd encounter is cloud chasing. Your array would get disturbed by clouds since they'd change the values of your LDRs leading to basically your array moving constantly during the day, burning away the little electricity you have.
Now to solve such an issue you'd have to introduce mechanics for dealing with situations that arn't simply a clear sky and the sun. And a way of dealing with those mechanics I found was to simply limit the sensor array to move during specific times, but simply find an ideal position during those short frames. But hey, if you're already moving according to a timer, why not just ditch the liability of the sensors.
The most energy efficient way to do this is have pre-set points for the array (bonus points for scaling according to season) and have the array move in steps to those points.
No constant slow crawling motor.
Step A =single movement=> Step B => Step C etc.
Eurofag here. Why do murifags have doorknobs instead of door handles? Whats the point?
>>1004687
We dont have the need to feel a phallic shaped object hundreds of times a day.
...not that there's anything wrong with that
Door handles are required on commercial buildings. Something something Cripples Act.
Knobs are just more aesthetic.
Stupid question
I've got one of these portable ACs in my office, and the exhaust tube goes up to the ceiling
So when it's running, the tube is radiating a quite a bit of heat.
I was wondering what's the best way to insulate it
Probably pipe insulation, if you can find it in the right diameter.
>>998140
Best way to insulate an air duct is just wrap it with foam or other types of insulation, but tobehonest just wrap it with cardboard with some duct tape will help a lot since it is not a huge issue anyway
(they are used in starbucks coffee to hold a hot cup so they works)
What do with a cherry log that's 1m long and 20-30cm in diameter? Basicaly i need ideas. Google mostly gives me chairs and benches and i have no need for those. My tools are limited to chainsaw ( could be used to rip that bitch), el. plane,circular and jigsaw and a lot of hand tools. I guess i could have it planed somewhere nearby but i could go the hard route with a hand plane/scraper and a shitload of sanding. God i just love sanding. Don't you?
I want to get into gas welding. Any anons can recommend some equipment? From what I've read good low pressure regulators are important. The options for torches and tips is a little overwhelming doe. I'm mainly wanting aluminum and steel cut & weld capabilities.
>>994958
Get any ARC welder or Tig/Stick combo. It will do everything better and not explode.
>>994976
Said _GAS_ faggot. If you don't know shit about it, GTFO out my thread
>>994981
I do know about it. I have done gas, gtaw, smaw, gmaw, Flux core, etc etc welding of all kinds and gas sucks. It's good for one thing and that is cast iron and honestly tig/gtaw welding is better.
A stick and tig machine can do titanium, stainless, magnesium, aluminum, mild steels, white metals, brass, bronze, copper, etc etc.
Gas cannot do those thing. Gas is good for heating metal and cutting. It's a poor welding medium compared to any Arc welder.
Hello /diy/. How to build a circuit for 9 [email protected] watts with Arduino Leonardo? How it will works is that everytime a button is clicked, it would light up.
I'm currently building a Pop'n Music controller and I'm already done with the wiring. All is left to make it pretty is to lit it up.
Not sure what you're trying to do but all you need is a push button and a transistor
>>1008261
You mean build an LED circuit, or what OP?
Use LEDs push buttons
Im planning on the long term to build myself a clean room.
Has anybody tried to DIY hepa filter? Is it doable?
>>1008181
I've installed camfil farr biological grade filter systems on morgues and biological labs in the past.
If you're talking that level of clean, then no. Not DIY able.
>>1008183
What about a Elctrostatic Precipitator then?
>>1008183
>installing an airfilter system not possible to /diy/
But restoring a old military bunker all by yourself. With included blast doors... Thats within the /diy/ realm.
no Fireworks Thread?
Fireworks Thread.
http://www.instructables.com/id/How-to-Make-Fireworks/
>>1008071
Let the chinese make the fireworks
>>1008071
>>>/ATF/
http://www.instructables.com/id/How-to-Blow-Your-Hand-Off-Then-Burn-Yourself-To -Death/
I got this in my workshop/old maids room
I assume they are fuses? They have 30A500v rating on them.
My workshop is only 220v with 2 double outlets on the same line and 2 ceiling lights and that is all the electrical in there.
I want to move/add some more double outlets on the other side of the room and I am not too familiar with fuse breakers. Is there anything I should consider, other than opening the circuit, before beginning?
>>1007587
Its hard to tell what these were used for without you tracing the wires. It might be that each of those outlets has its own fuse (protip, look into breakers).
>>1007597
The outlets are on the same line as previously mentioned. Wires are surface mounted on the wall
>>1007587
They are wire fuses, if you pull them out and look at the reverse side you will see two terminals with fuse wire across them, the wire thickness determines the value. You will have one for lights and the other for sockets, assuming UK that should be 6A and 13A respectfully. If you plan on using it as a workshop, would get it all replaced with a new consumer unit using rcbo's, cabling and sockets. Those old fuses are notorious for being slow to blow or having the wrong wire installed. You can find modern RCD drop in replacements for them, but they are expensive as fuck. Last time I looked you can get a 10 way CU complete with breakers / rcbo's for the same price.
Got a Siemens A14-16 frontload washer, unfortunately the bearings broke. Now a new problem arises: how does one find the type of bearing for the machine? (I'm not at home so I can only look up the model number)
>>1006032
also got this vague picture of the part numbers
>>1006041
The bearings that make the wash drum rotate.
The sticker was on the top of the barrel of the drum.
Anyone have any experience with Chinese chainsaws? I have a Haddon lumber maker, a rip chain and plenty of logs. Looking to cut my own lumber.
>>1004432
some of them are meant to be pretty good. I want to get a bandsaw mill.
>>1004432
Always used husqavana or stihl myself
>>1004433
Logosol M8 master race reporting in...
/audio general/
I jusr bought my first serious kit, an s-87 from microphone-parts
Really looking forward to it, and also getting interested in cheap pre amps and electret mics for more experimental recordings.
Pic related is a piezo contact mic preamp, ill probly give that a shot after the s-87
>>1002494
>photo of a screen displaying a scanned drawing
>not a photo of a screen displaying a photo of scanned drawing on a wooden table
so close
>>1002506
?Who are you quoting?
Anyways, got the kit today, will hopefully start it in a couple days time. Bump for the meantime
This is a direct order to keep me posted, because I have now developed an interest in this, which may develop into an investment.
Now go.