File list

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Date Name Thumbnail Size User Description Versions
14:55, 14 May 2012 Drawing with SVG drawing 2012-04-01 21-54-09.svg (file) 174 bytes Shawn Modified in svg-edit: tried to draw a line 1
09:42, 14 March 2014 Voltage-regulator-circuit.png (file) 7 KB Shawn A typical 5V regulated circuit, with protective diode and output capacitor. The input voltage must be greater than the dropout voltage of the regulator plus the voltage of the diode plus the output voltage (see a data-sheet). 1
11:13, 9 May 2014 Infrared-photogate-circuit-diagrams.png (file) 7 KB Shawn Symbolic diagrams for active-low and active-high photo-gates, used for marking the passage of objects between a light source and a phototransistor sensitive to that source. An NPN transistor is used to provide a clean signal for micro-controllers. 1
08:46, 13 December 2009 Sundial Roofus.jpg (file) 15 KB Shawn Roofus the solar dog, as created for NREL. This dog is pasted on photos of solar energy and energy efficient appliances. 1
22:55, 6 December 2013 Speedometer-Diagram1.png (file) 16 KB Shawn Added a switch to the power supply. 2
09:37, 18 October 2014 Apple Reminders bad contrast.png (file) 18 KB Shawn As of 2014, Apple's application Reminders puts the body text in light grey on a lighter grey background.. 1
18:42, 7 March 2010 EnergyHog3.jpg (file) 19 KB Shawn Energy Hog from Alliance to Save Energy 1
19:01, 7 March 2010 LouieTheLightningBug.jpg (file) 20 KB Shawn Louie the Lightning Bug, for Nebraska Public Power District, with minions. 1
20:53, 6 March 2012 RecycleRosie.png (file) 21 KB Shawn From Allied Waste, Arizona, a character to explain waste and recycling to kids. 1
21:08, 13 March 2014 Magnetometer-PICAXE-20M2.png (file) 21 KB Shawn Circuit diagram for a PICAXE-based magnetometer, using a PICAXE 20M2 with an SS49E Hall effect sensor and an EA DOGM081 LCD 8-character display. Pin numbers on DOGM081 begin on at 21 on upper right and go to 40 on upper left when facing module. 1
13:17, 12 March 2014 PICAXE-Photo-gate-timer-i2c-LCD-2014.png (file) 26 KB Shawn Circuit diagram for a five-photo-gate timer based on a PICAXE 20M2 with a Newhaven NHD-C0216CiZ-FSW-FBW-3V3 LCD display connected via I2C. 1
09:05, 13 December 2009 Energy ant poses.jpg (file) 27 KB Shawn USDOE, Energy Information Administration's kids' mascot. 1
20:46, 20 September 2011 FordElectronicShowroom.png (file) 28 KB Shawn Image from Ford Motor's 1989 advertising program, by the SoftAd Group Inc., Sausalito, CA. 1
08:23, 13 December 2009 NRCKidsLogo.gif (file) 29 KB Shawn NRC's colorful character:a masculine nucleus with a cape, a pointer, a mortarboard hat, muscles, a swarm of electrons, and a patronizing smile. 1
18:53, 7 March 2010 Dara-250x323.jpg (file) 29 KB Shawn Drafty Darlene is a character you can color at Sky Renewable Energy's web site for kids. 1
09:04, 13 December 2009 EnergyAntTurbine.JPG (file) 30 KB Shawn From EIA (USDOE), Energy Ant stuffed mascot. Androgynous, but claimed to be mail in a history no longer published at EIA. 1
14:22, 24 April 2014 Frequency-meter-Arduino-on-a-board.png (file) 33 KB Shawn Added missing pin numbers for crystal. 2
13:57, 20 January 2016 USBJackHoldingTabs.jpg (file) 35 KB Shawn Right-side up now. 2
19:00, 8 May 2014 Photo-gate-timer-Arduino.png (file) 37 KB Shawn This is a circuit diagram for a photo-gate timer using an Atmel Atmega 328 micro-controller running at 2MHz and a Newhaven i2c serial 16x2 character LCD. 1
08:08, 15 May 2014 Bicycle-speedometer-Arduino-on-a-board-4-bit-LCD.png (file) 38 KB Shawn This is the circuit diagram for a bicycle speedometer using a unipolar Hall effect switch, an Atmel 328P AVR micro-controller, and a 4-bit LCD display. See Media:Bicycle-speedometer-Arduino-on-a-board-4-bit-LCD.pdf for a printable diagram. 1
20:56, 23 February 2012 WickedAwesomeApostrophe.jpg (file) 38 KB Shawn Seen at a Frisco natural food store in 2012. I guess you have two choices to pluralize nouns:add an e, or add an apostrophe. 1
15:11, 1 March 2017 Epson-DS-40-Scanner-repair-08.jpg (file) 45 KB Shawn Cleaning the Epson DS-40 document scanner. 1
13:51, 20 January 2016 FlatteningASwab.jpg (file) 48 KB Shawn The photo shows how to flatten a cotton swab with a pair of pliers. 1
14:08, 15 March 2014 Frequency-meter-PICAXE-08M2.png (file) 50 KB Shawn Detailed circuit diagram, with guide to pins, for a frequency meter with a AH180 Hall effect switch, a PICAXE 08M2 micro-controller, and an Electronic Assembly DOGM081 (or equivalent) LCD display. 1
18:48, 7 March 2010 CFL bulb rap.jpg (file) 51 KB Shawn Reliant energy uses this "rap" CFL icon. 1
13:17, 1 December 2011 Grey Text Designer.png (file) 53 KB Shawn An example of bad web design. Irony comes cheap. 1
15:11, 1 March 2017 Epson-DS-40-Scanner-repair-12.jpg (file) 65 KB Shawn Cleaning the Epson DS-40 document scanner. 1
14:02, 20 January 2016 PryingUSBJackTab.jpg (file) 67 KB Shawn This photo shows me prying a tab in a USB jack to grip better a USB plug. Anyone attempting this should avoid prying the tab too far, lest it get snagged on the edge of the plug. 1
15:23, 1 March 2017 Epson-DS-40-Scanner-repair-04.jpg (file) 68 KB Shawn better cropped 2
16:26, 14 August 2011 FloatingClassroom1.jpg (file) 69 KB Shawn Eco-tours for the public on Cayuga Lake. 1
17:00, 8 February 2016 Bose 802C System Controller response.png (file) 73 KB Shawn Showing the frequency response of the Bose 802C System Controller, both in full-range for 802 speakers, and biamplified for a 302 and 802 speaker system. 1
14:08, 20 January 2016 SqueezingUSBPlug.jpg (file) 80 KB Shawn This shows me squeezing a USB plug so that it will connect more snugly to a USB jack. 1
17:25, 27 May 2012 Shure-SM57-Perforated-Collar.JPG (file) 87 KB Shawn Showing glue that had kept the collar of a Shure SM57 mic from moving, but then failed, causing rattle. 1
15:11, 1 March 2017 Epson-DS-40-Scanner-repair-01.jpg (file) 93 KB Shawn Cleaning the Epson DS-40 document scanner. 1
12:13, 21 February 2010 SouthCottonwoodCreekWY.JPG (file) 93 KB Shawn Dad's favorite fishing spot. 1
10:55, 7 April 2010 LightTempSolBQ20090416-2.pdf (file) 95 KB Shawn This HOBO was taking light and temperature readings, sitting inside a covered aluminum pan with 40 chips and 200g of cheese, that pan in a plastic bag, set on a stand in a concentrator in full sun, starting at 2:10 PM. 1
16:14, 14 August 2011 GlobalSunOvenandAlison.jpg (file) 95 KB Shawn Alison is baking two layers of a cake in Ithaca July 2011. 1
11:46, 31 March 2010 ElectronicsComponentsCmap.pdf (file) 95 KB Shawn Starter concept map of electronic components, using CMAP. 1
16:35, 9 January 2010 ParisCityWalk13.jpg (file) 99 KB Shawn Example of one of the great cards from City Walks Paris by Chronicle Books. The reverse of each map is a list of points of interest. 1
12:59, 1 May 2010 BruceWilson2002InnovativeCurriculum.pdf (file) 104 KB Shawn Presented at The Second International Forum on Education Reform : Key Factors in Effective Implementation September 2-5, 2002 The Ambassador Hotel, Bangkok, Thailand Panel Presentation on Some Key Factors in Effective Implementation of the Learner-center 1
17:02, 6 April 2012 Bad blog CSS by a blog professional.png (file) 105 KB Shawn Here's unreadable link-text in a blog by someone who advertises themselves as a blog theme designer. 1
11:43, 7 April 2010 BlackEnamelPlasticBag3sides.jpg (file) 106 KB Shawn   1
15:11, 1 March 2017 Epson-DS-40-Scanner-repair-02.jpg (file) 110 KB Shawn Cleaning the Epson DS-40 document scanner. 1
15:06, 16 January 2010 PastaMultiplePasses.jpg (file) 112 KB Shawn Shawn and Alison passing pasta through the pasta machine to make it thin and stretched. 1
08:08, 9 January 2010 TaschenPressStore.jpg (file) 114 KB Shawn At the Taschen Press store on chic Rue de Buci. 1
16:53, 27 May 2012 Shure-SM57-Taped-Collar.JPG (file) 119 KB Shawn Showing how I added a couple pieces of tape to help buoy this perforated collar up against the retaining ring that holds on the screen of a Shure SM57 microphone. 1
15:11, 1 March 2017 Epson-DS-40-Scanner-repair-11.jpg (file) 130 KB Shawn Cleaning the Epson DS-40 document scanner. 1
08:58, 21 January 2010 1709 Balance and weights.jpg (file) 132 KB Shawn On exhibit at [ Musée le Secq des Tournelles], pre-Revolutionary weights. 1
09:29, 23 January 2010 FancyTimedLockRouen.jpg (file) 143 KB Shawn A lock with fanciful metal-work in Musée Le Secq des Tournelles in Rouen, France. 2009. 1
22:19, 15 December 2009 UdppcCommunique20091126.pdf (file) 152 KB Shawn A protest regarding the cutting of time in high school science classes in the national standards. 1
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