Tags: electronics
Irons in the Fire
It's been awhile since I've updated this here blog. Fortunately, I have a plethora of wonderful excuses: Working on school projects: For ELT201, I get to build a power amplifier (and pre-amplifier!). This is coming along nicely. Above left, yo… more »
Recent updates to the dehumidifier monitoring system
Just a couple quick splats of news: My lovely wife and resident mathematician pointed out that solving the series capacitor formula for the number of capacitors is pretty easy when all the capacitors are the same. Turns out x+x+x+x+...+x is n*x.… more »
Measuring the water level in a dehumidifier's tank
When Mark Walling created his Twittering dehumidifier, I decided to kick things up a notch by monitoring the actual level of the water. This is actually a fairly simple thing to do, electronically, but it still took me awhile to actually get a sufficien… more »
Real Time Photo: Yes We Have No Bananas
Originally uploaded by nflect on 2nd April, 2009.Excuse me, sir; it appears my bananas are plugged. more »
Real Time Photo: 9-185 Lab
Originally uploaded by nflect on 30th March, 2009.A rare look into the lab. Here, I'm doing some ripple measurements on a power supply I built, under full load. Looking good. The fuzzy blue line on the scope is noise, concealing a very (!) slight ripple… more »
Real Time Photo: Radians have twice the π
Originally uploaded by nflect on 17th March, 2009.A couple Fridays ago, I gave an impromptu lecture/tutorial for a few classmates. The whiteboard ended up a little... crazy. more »
Real Time Photo: High-impedance cat
Originally uploaded by nflect on 22nd February, 2009.Due to an unfortunate typo, the prerequisite homework for tomorrow's electronics lab requires the use of a Thevenin equiv. cat. more »
Real Time Photo: Freeduino SB
Originally uploaded by nflect on 3rd December, 2008.The Freeduino SB is here and it blinks! First soldering project in a while. more »