I don't think you will get a lot of light out of UV LEDs at 3mA, they are kindof weak at 20mA.
After reading up a bit on voltage regulators and dissecting a whole bunch of dead PSUs, i have gained some knowledge about how stuff like this...
Capacitance messurement is usually ****, even on more expensive multimeters. Autoranging is great, but cheap autoranging multimeters could have...
When i get at doing stuff like that, i use one of those fan connectors that came with old CPU fans for Intel MMX processors, the ones that pass...
Inkjet ink is usually water soluble, and thus would get washed away. And you can make traditional etching printouts on inkjets too, you just...
I used this method for screws without screwdriver tracks to begin with. I took a small drill and drilled 3 overlapping holes in a straight row...
Did you clip it to the correct leg of the LED? Is the frequency counter supposed to work with the voltage of the LED you tested on? The ones i...
I have dissected at least 20 misc rechargeable battery packs, and i have found that most times, these extra connectors are any of the following,...
I have scrapped a couple of scanners, and all of them do not have an inverter that can be easily started outside the scanner, and most i have seen...
You can't just stop a CNC mill like that, pushing the emergency breaker kan destroy gears and tools that cost more than a years salary....
The 5/3.3 and 12V rails balance each other, so to get stable voltages on 3.3 and 5V, you need to load 12V a little. I have experienced a drop...
When you look at a sound dampening box for computers, they are usually covered in foam on the inside and then there is one of the previously...
Watch out for some cheap spraypaints, they often peel or go pale after a year or so, i have had that happen with some cheap spraypaints while...
Probably not, most laptop keyboards are just the sensor raster without a controller, the controller is mounted on the motherboard. To get a...
Laptop drives are not as shockproof as many people think, damaged harddrives is very usual in laptops. If you just string the harddrive up in a...
Why didn't you test if the pump still worked? :D What you should do is, no matter if you have receipt or warranty left, is to take the pump,...
A PC uses the chassis as ground for allmost everything with a metal chassi, like harddrives and CD-roms. But since computers have highly...
I wouldn't use either cyanoacrylate or epoxy glue, neither is fit for gluing acrylic. Whay you would need is glue made specifically for acrylic.
After some testing and reading, i am starting to think that just removing the reader arm screw or spindle screw will unsettle the platters or arm...
I don't know american or brittish patent law, but swedish patent law requires patented objects to have a level of originality high enough and...
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