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Monoprice.com has these with a weird USB to 2.6mm cord for $2.34: http://www.monoprice.com/products/product.asp?c_id=104&cp_id=10420&cs_id=1042001&p_id=6171&seq=1&format=2 Or these which are a 4mm plug for $5.34...

If you want to control a LM317 with a microcontroller, you can use a digital potentiometer. Analog Devices makes a range of them, for example the AD5220. Operation of the 5220 is pretty simple; you just need 3 digital outputs from your uC (or two if there's nothing else on the bus; you can...

17188+11 = 17199

7517 + 5 = 7522 Cooled down a glass while bottling it... the first words out of my wife's mouth were "this stuff could get you drunk!"

Make sure you get that primer as smooth as possible. Maybe a little sanding would help. We put chalkboard paint on an old kegerator, and it worked fine until it came time to erase it. Any grooves/texture in the surface will hold the chalk, so you have to really douse it with water to wash it...

Looking over the paper, it would appear that the statement in the article linked above that "extremely low frequency magnetic waves boosted ethanol production by 17 percent" is misleading. The 17% gain is in, as the authors phrase it, "overall volumetric ethanol productivity," which is measured...

I'm in the same boat... did a couple of batches a few years ago, and recently picked up a can of pre-hopped malt to get back into it. I guess I forgot everything I learned back then, so I did the corn sugar thing too (just followed the directions in the kit). Check out this section of How to...

I'm a member, but I've only got 10 beers on my account, and the last one I added was apparently last October. I've been to the Saucer a few times but didn't bother swiping my card. I like the Beer Knurd shirt, though.