Ryan's Inter-Online Web Blog

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Tags: electronics

Irons in the Fire

11/02/09 02:44, by Ryan, Categories: School, Geekery, Photographs , Tags: 74xx, amplifier, analysis, capstone, electronics, elt201, elt202, eng200, gps, logic, photographs, projects, reading, school, soldering, surface mount, svee6, writing

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 »

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Recent updates to the dehumidifier monitoring system

08/29/09 14:31, by Ryan, Categories: Geekery , Tags: arduino, capacitance, dehumidifier, electronics, math, munin, rrd, rrdtool

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 »

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Measuring the water level in a dehumidifier's tank

08/23/09 21:29, by Ryan, Categories: Geekery, Howto , Tags: arduino, capacitance, compile, dehumidifier, electronics, ftdi, ftdi-sio, kernel, linode, mouser, munin, python, sensor, soldering, usb, water

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 »

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Real Time Photo: Yes We Have No Bananas

04/02/09 07:19, by Ryan, Categories: School, Geekery, Photographs , Tags: bananas, electronics, lab

Originally uploaded by nflect on 2nd April, 2009.Excuse me, sir; it appears my bananas are plugged. more »

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Real Time Photo: 9-185 Lab

03/30/09 15:11, by Ryan, Categories: School, Geekery, Photographs , Tags: 9-185, electronics, lab, mcc, oscilloscope, power supply

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 »

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Real Time Photo: Radians have twice the π

03/17/09 14:59, by Ryan, Categories: School, Geekery, Photographs , Tags: electronics, friday, math, trigonometry, whiteboard

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 »

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Real Time Photo: High-impedance cat

02/22/09 12:46, by Ryan, Categories: School, Geekery, Photographs , Tags: cats, electronics, homework, lab, punk, thevenin

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 »

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Real Time Photo: Freeduino SB

12/03/08 19:57, by Ryan, Categories: Geekery, Photographs , Tags: arduino, atmega, atmel, electronics, freeduino, projects, soldering

Originally uploaded by nflect on 3rd December, 2008.The Freeduino SB is here and it blinks! First soldering project in a while. more »

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Welcome to Ryan Tucker's standard output blog. Here, you'll find variety of geeky projects, random prognostications, and other miscellany. Strive at all times to bend, fold, spindle, and mutilate.