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I agree with your assessment; Designing your own circuits is far more valuable than not understanding the technology and just buying it. It's even a little disheartening that such marvels of engineering are of such little value.I do IT for electrical engineers. While I know how to network and manage computers, they know how to design and build them.
Sounds like too much flux. I use liquid flux instead of the paste. put it on the metal when it is cool and heat the metal rather than the solder. As the flux evaporates, it keeps the oxygen off the metal.If it doesn't stick, let it cool and buff it with an emery cloth. Metal oxides are our enemy.
Noooooo no no no no no! You are suggesting home surgery.If you go to the doctor, you are guaranteed access to antibiotics and pain medication. Plus you have an expert who is trained and knows what they are doing, plus the laser settings are set to the right tolerances right between the therapeutic and permanent skin damage. Plus the wavelength of the light has to be exactly right. It has to burn the pigment and not the skin. The burning from tattoo removal is from the pigment being blasted, not the skin.
I've done this using overhead projector transparent sheets. Your choice of paper is a nice, economical touch.For another added twist to save even more money, I use Red Devil Lye as an etchant.
My son would claim he was unworthy, therefore unable to clean the toilet.
We had a nest break through our ceiling and they were swarming in the house. I did this with a bowl of detergent water, a lamp and some maple syrup. It kept them off us until the exterminator came.
The wine attracts them. The detergent breaks the surface tension so they quickly drown. You don't even need the alcohol, except that it may act as a preservative.
I've tried to recover a stepper motor from a printer only to find that it was a regular DC motor that had a marked disk and optical sensor that kept track of the positioning.
how many growlers of ale will it take to produce enough tanning solution?
I've seen these work. It is fascinating and disgusting at the same time.
I don't see this ending well.
I turn older computers into supercomputers. All the motherboard needs is a few PCI-E connections and I can hook up several graphics cards to do GPU computing. (CUDA and OpenCL.) In graphics and video-content production, a cheap motherboard with two higher end graphics cards can outperform 6 $4,000 render farm servers.
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