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There are white ink pens one can buy cheap, that should do the trick!
No, I ordered it in black.I would not recommend painting the buttons because the paint will just rub away with use. Durability wise it's been two years now and it's still working as from day 1.
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Arcade Controller on a BudgetView Instructable »
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For powering on electronic components and circuits before you connect them to other stuff (and checking if they're faulty).
Thank you, I always try to make my projects as simple as possible to build.
Plywood Hot Wire Foam Cutter
The negative rails do not provide nearly the same amperage so you could end up overloading your PSU. Also, since there is only one -12v wire you wouldn't be able to combine it with others.I think I understand what you mean but I don't see a way you could do that with the PSU.
That one I often use when testing the LEDs.
Hey, thanks, though I feel that's it's more rugged than fancy :)
Hey, thanks, though I feel more that's it's rugged than fancy :)
Hey there! It is used for testing of electronics before you connect them with others or put them in enclosures. Lets say you make a LED USB powered light but you don't want to put it into your computer on the first run in case crossed wires or reversed the positive and negative. So if it malfunctions it's gonna damage the old cheap power supply instead of your 1000$ computer :)
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+12V2 is second rail that supplies processors voltage regulator circuit on motherboard. while +12V1 supplies the graphics card, fans and motors of HDD and CD/DVD. They each have an overload sensor to protect the various circuits; a short on those will immediately shut down the PSU.
All black solid wires are ground, yes :)
That's correct. If you connect +12v and -12v rails you get 24v.
Portable Game EmulatorView Instructable »
Actually it is variable in the means that you can combine +12v and -12v to get 24v, +5v and -12v to get 17v DC and +12v and +5v to get 7v :)
A simple Bench Variable Power SupplyView Instructable »
That's completely o.k. I still prefer to keep extra airflow on anything that is a wooden enclosure for electronics or as the old saying goes: better safe than sorry. :)
Several reasons, first of them being the device is on 24/7 while being enclosed in wood. As wood is a heat insulator and not heat conductor like aluminum I wanted to have a fan for air circulation. Second reason is that small fans need to spin much faster thus making noise while a big fan on lower RPM dispenses gets same circulation while also being almost completely quiet.Third reason being Pi 3 gets much warmer than it's predecessors under load; even up to 83 °C.
Plywood Raspberry Pi box with fanView Instructable »
Thank you :)
Bookend - Tie InterceptorView Instructable »
Build a Star Wars Boba Fett plywood wall plaque
Hope it works, nicely done :)
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