It used to be, on my phone, I could switch to another window to read some messages or whatnot, and as long as I returned within 60 seconds it was OK.
It seems like this has changed, and now you can forfeit after just a few seconds. Yesterday I lost two games because I just switched to read a text message.
Anyone else experience this?
Further to my previous post about DIY-ing a pulse plating system, I put together a mosfet H-bridge with a microcontroller to drive forward and reverse pulses.
As suggested by helpful member Mkysmith I didn't try to control the current myself and just connected a lab power supply in CC mode to the input of the H-bridge system, in the hope that it will figure it out.
I made a brave and possibly questionable design choice and put a big chunky 2200uF low-ESR capacitor at the H-bridge input. The idea is that it helps keep the power supply happy between pulses and avoid confusing it, and also allow big juicy pulses to happen if I hold the output OFF for a few milliseconds. (Because the cap charges while the output is closed)
It has a wifi chip so I can reprogram the pulses quite easily.
So far I've tried the following:
Happy to hear your thoughts on possible pulse programs, and also whether or not the cap is a good idea?
I've seen a few reports that tankers have been taking an undocumented route along the Omani coast, which is how UAE is still exporting oil.
IRGC has noticed and recently shot at a couple ships.
But how many have gotten through? Could it be the case that there is actually significantly more oil going through the strait than we've been led to believe?
So there's a layer shift, lol. Ignoring that, what's up with the overhangs.
Layer height is 0.12mm
Local dollar store was selling these small containers for about $0.50 each, so I grabbed a bunch of them and then went home and designed a tumbler around it. It uses one of those yellow 3-6v motors that come with arduino robot kits, and the rest I 3d-printed.
Motor speed can be controlled by a buck power supply that is fed from a 12v line. Motor is held to the stand literally with a rubber band, lol.
It's remarkably ghetto but works suprisingly well. If anyone wants the files, give me a shout, although I don't know if you have these exact containers where you are..
So there's a layer shift, lol. Ignoring that, what's up with the overhangs.
Layer height is 0.12mm
This is a relatively small print, printed in ABS with a 0.4mm nozzle and 0.08mm layer height. It gets a bit messy around the edges. Any way to get cleaner results?
(ABS is necessary because I need to ABS vapor smooth)
I'm thinking of DIYing a pulse plater as a weekend project, I have some microcontrollers, MOSFETs, and H-bridge drivers lying around from my robotics work, so I think I have all the ingredients.
As I understand, you run the bath with pulses to allow ions to distribute during the OFF phase, and get them to stick with the ON phase, while occasionally reversing the current to smooth peaks. Current is measured with a shunt, and via a control loop you drive a PWM to manage the average current.
What I don't understand: What is the actual end voltage driven into the bath during the "ON" part of the pulse?
Is it:
Just a little used 3d printer, I thought. If I don't like it I can sell it. And what is this beautiful colored plastic? Let's buy some of that too.... Oh, and they have a carbon fiber version, and what is this thing, it does wood texture? How is that possible, we have to investigate...
And now my house is full of filament. I don't even know what to print with it all. My friends are tired of 3d-printed junk, their houses are full too.
Send help.
Can't tell you how many times some annoying idiot just pops up and says "supply and demand" like they're a professor of macroeconomics and then sits there proud of themselves waiting for everyone to do a slow clap...
This is kind of a funny observation, on my main account I'm around 1800. Recently picked up an old phone that was logged in on another account rated around 900. Honestly I couldn't really tell much difference.
At both levels, the games often end in 5-10 moves due to opening blunder.
At both levels, people often hang a basic tactic or miss a mate-in-1.
At both levels, people often make a terrible move in the first 2-3 moves because they don't know the 3rd move of a basic opening like scotch game.
At both levels, people often stalemate a game they should have won because they don't know how to play endgames.
I'm guilty of all of these btw, and I even lost a few games to the 900 rated players lol.
Biggest difference is that the 1800 players typically catch more tactical plays and make somewhat fewer tactical mistakes.
I'm one of the tutors in the math/cs section, I charge around $45-$60/hour depending on how many students I have. I get some people that show up for university/career progression, and they sometimes get stuck on some really basic thing, and no amount of repeating, examples, etc. helps them get through it.
I even assume that maybe I'm explaining it poorly and give them youtube videos about the topic, and they still don't get it.
I don't know what to do. There are only so many ways I can explain a single thing. Do you come across this?
I'm rotating my part at 2RPM. Is that good enough or will I get smoother results from a magnetic stirrer?
I'm trying to make an EDF plane that hits 300-400 km/h in a dive.
I will design the airframe myself, and I am working on the intake. Here is my understanding so far:
Is that correct?
EDIT: To be clear, this isn't meant to be flown from the ground, it will be launched from a balloon. Goal is to basically reach high speed in a dive setting, just trying to get a high km/h.
I've been trying to learn electroforming, experimenting by plating some 3d-printed models.
People here advised against graphite DIY and suggested that I buy some real conductive paint, so I splashed out and spent $70 on a can of MG-chemicals 843AR, silver-coated copper. The resistance was between 0 and 15 ohms as measured across any two points. I threw it in the plating mix, and the next day you see the results in the photo: approx 50% splotches of copper and completely naked spots elsewhere..
Previously I did some DIY with graphite powder and a solvent, which you can see in the second picture, it turned out OK although it took forever for the plating to spread over all the graphite.
Bath is pretty normal: 225 g/L copper sulfate, 7.5% sulfuric acid, 50mg/L NaCl, a bit of glycerine and Thiourea. Was working fine with graphite coating, although a bit slow.
Is there perhaps a nuanced way to use the the professional paint that I have missed?
For a startup, I needed a proof of concept of a high performance market simulator with a basic front-end. I didn't know anything about web dev so I just made the whole thing in what I did know, C++.
So the entire backend is a C++ webserver with my own memoryDB. The frontend does some minimal HTML+CSS+javascript stuff. Point is that I was able to, as a 1-man team, quickly spin up a working prototype of a complex concept in 3-4 weeks.
Obviously a highly non-standard solution, and nobody wants it in a prod environment, but I'm investigating the idea of reusing it somehow.. Maybe another startup also needs a quick and dirty prototype? I know AI changes the game so rapid-prototyping is almost a non-thing now.
What do you guys think?
I'm trying to make a genie lamp in blender.
The shape is essentially a teapot and there are loads of teapot tutorials, so I think I can figure out how to do the main shape. (Although feel free to give any tips)
But I have no idea how to do the flowery design extrusions. It needs to be 3D geometry in the end because it will go into a 3D printer.
Any ideas please?
How would you go about modelling an aladdin-style oil lamp? I added a couple pictures for reference.
My idea is this:
What I don't know is:
Any tips would be appreciated
The platform, while greedy AF, actually provides some useful tools. All your students and calendar in one place, payment escrow, and a subscription system that pushes students to "keep learning" (i.e. "keep paying").
You may be tempted to take someone off the platform to save the 20% or whatever you're paying for commission. I too have been tempted. It always ends badly.
The site maintains a certain formality, and in the absence of that, the students become too friendly, messaging you like a friend, asking for last-minute lessons, cancelling last minute, etc. Also in the absence of a subscription they often take a break and then disappear. Finally, if you make a mistake of doing post-paid, you get people who you have to chase for cash.
So overall, I'd say the 20% commission is worth it.
Other things like unpaid trials are still a problem. I hope preply fixes it.
I had a big corporate career, working in hedge funds and big names in London like Goldman Sachs, Google, Facebook. I took a break to enjoy my life in a cheaper part of the world.
Now I'm toying with the idea of getting back into the industry, but I honestly don't want to pack up my family and move them to London or some other big city.
Is there actually viable work for a senior developer that's not of the spirit "outsource this boring mundane work to some cheap offshore devs" ?
