Supply Definition and 506 Threads

I am working on trying to get a reliable power supply primarily for my Electrolytic Cell, and secondly for any other power supply needs that should come up. I have pretty much concluded that a computer power supply will suit me best. In the past, I hav been using a AT power supply, but I...

With a loud pop and a puff of smoke my 300 W ATX power supply died last night and I find myself looking to quickly buy a new one. I was wondering if I should replace it with a higher power one. I ran this one for 3 year with most of this hardware without any noticeable problems. Rather than...

http://www.boston.com/news/nation/washington/articles/2004/12/05/bush_not_alarmed_by_warning_on_food_supply/ having done a lot of work in the food industry [large scale production applications] and I can certainly vouch for the danger. In fact I have commented on this fact many times while...

hi, I want to power a digital pen using a USB connected to the PC. What is the exact procedure for this...as in do i require any external circuitry? I also heard about this DTR pin which when permenantly enabled, acts as a power supply. can anyone enlighten me about these things? thanks.

What's a good online chemical supply co? (cheap, fast, reliable) I'm looking for the following to do a experiment: Aniline 4A Molecular Sieves Dry Methanol Tetrahydrofuran (THF) HCL NaCl NaOH CH2Cl2 Pyridine Propionyl Chloride Acetone

My power supply is making weird sounds! HELP Hey guys, my power supply (possibly my cpu fan - but i think its the power supply) is making funny sounds, like a dieying chicken, its getting really loud, then really quiet. Acting strange, I detached it from my case, and I am trying to figure out...