BGmicro.com also has one I was looking at recently, but IIRC it was =20 around $85 for 3A and only 0-15A, so this seems to be a better deal on =20 the surface. Quoting Jesse Lackey : > I recently bought one of these... > 30V, 3A, constant-current, "mini", for $50 > > ...but have not used it yet. > > The 5 amp version, $70. > > > A current-limited power supply is vital for electronics work. If you > know your circuit should draw say 200mA, you can set the current limit > to 500mA, and if you hit it, then something is wrong and you get a > chance to debug before you smoke your board. > > Cheers > J > > > > Nathan House wrote: >> I'm burning through batteries like nobody's business and think it's >> high time I purchased a power supply. I know I can make my own board >> with voltage regulators for common voltages like 3.3, 5, 12, etc, but >> I think I'd rather have something that's adjustable and can source a >> lot of current in case I ever need it. I've been looking at power >> supplies on ebay and stumbled across a very low price one that seems >> to be pretty popular (the seller has sold 159 of them): >> >> http://www.ebay.com/itm/Precision-Lab-PS305D-Variable-30V-5A-DC-Power-Su= pply-/120716204084?pt=3DLH_DefaultDomain_0&hash=3Ditem1c1b3f1834 >> >> I've never heard of the brand before. What do you think, good buy or not= ? >> >> Thanks, >> >> Nate >> > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .