File list

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File list
 
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Date Name Thumbnail Size User Description Versions
14:28, 1 March 2017 Epson-DS-40-Scanner-repair-07b.jpg (file) 1.57 MB Shawn Grasping the roller to move it out of its hub. 1
14:23, 1 March 2017 Epson-DS-40-Scanner-repair-04.jpg (file) 68 KB Shawn better cropped 2
14:18, 1 March 2017 Epson-DS-40-Scanner-repair-10b.jpg (file) 1.12 MB Shawn   1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-07.JPG (file) 1.57 MB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-08.jpg (file) 45 KB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-09.JPG (file) 1.54 MB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-10.JPG (file) 1.58 MB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-11.jpg (file) 130 KB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-12.jpg (file) 65 KB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-02.jpg (file) 110 KB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-05.JPG (file) 1.72 MB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-06.JPG (file) 1.6 MB Shawn Cleaning the Epson DS-40 document scanner. 1
14:11, 1 March 2017 Epson-DS-40-Scanner-repair-01.jpg (file) 93 KB Shawn Cleaning the Epson DS-40 document scanner. 1
16:00, 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
13:08, 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
13:02, 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
12:57, 20 January 2016 USBJackHoldingTabs.jpg (file) 35 KB Shawn Right-side up now. 2
12:51, 20 January 2016 FlatteningASwab.jpg (file) 48 KB Shawn The photo shows how to flatten a cotton swab with a pair of pliers. 1
08:37, 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
08:27, 18 October 2014 App Store bad contrast.png (file) 264 KB Shawn An example of poor design where the most important text, the body, is lower contrast than the headlines and other elements. 1
07:08, 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
07:03, 15 May 2014 Bicycle-speedometer-Arduino-on-a-board-4-bit-LCD.pdf (file) 484 KB Shawn Unipolar Hall effect instead of omnipolar, and removed superfluous pullup on 4. 1
10:13, 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
19:16, 8 May 2014 Photo-gate-timer-Arduino.pdf (file) 586 KB Shawn PDF version of photo-gate timer circuit diagram, for printing. 1
18:00, 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
13:22, 24 April 2014 Frequency-meter-Arduino-on-a-board.png (file) 33 KB Shawn Added missing pin numbers for crystal. 2
10:15, 31 March 2014 1.5mm pitch pins soldered onto 2.5mm header.jpg (file) 198 KB Shawn Showing how to spread the 8 1.5mm pitch pins of a Newhaven Display serial LCD onto a 0.1" pitch header for easy insertion into solderless breadboards. 1
14:45, 30 March 2014 Freedom crumpets with berry preserves.jpg (file) 386 KB Shawn   1
14:43, 30 March 2014 Thick pancake mix.jpg (file) 243 KB Shawn Cropped the branding of the pancake mix—It wasn't my favorite and it isn't relevant. 2
14:37, 30 March 2014 Browned freedom crumpets.jpg (file) 249 KB Shawn Apologies for the blur. 1
14:12, 26 March 2014 Frequency-meter-Arduino-on-a-board.pdf (file) 670 KB Shawn A Hall effect sensing switch attached to an Atmel ATmega328, driving an Electronic Assembly DOGM081 LCD display. 1
13:51, 15 March 2014 Frequency meter 372.jpg (file) 470 KB Shawn A five digit frequency meter. The real precision is dependent on the input frequency, which can be from 0.1Hz to 50 Hz. Created by Shawn Reeves, 2014. 1
13:08, 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
13:05, 15 March 2014 Frequency meter-PICAXE-08M2.pdf (file) 551 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
08:42, 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
20:08, 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
12:17, 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
18:12, 11 March 2014 Photo-gate-timer-2014-03-11.jpg (file) 635 KB Shawn Circuit for a 5-gate photo-gate timer, with an LCD display. 1
09:19, 7 December 2013 Cosmopolitan pierogies 2013-12.jpg (file) 282 KB Shawn To accompany the recipe here. 1
21:55, 6 December 2013 Speedometer-Diagram1.png (file) 16 KB Shawn Added a switch to the power supply. 2
12:23, 15 September 2013 315-Color-Option-1.jpg (file) 475 KB Shawn A photo of a house with colors changed by using Adobe Photoshop's Adjustment Layers, Hue/Saturation. 1
11:40, 10 October 2012 Haagse Bluf fondue restaurant 002.jpg (file) 765 KB Shawn At the Haagse Bluf fondue restaurant in Rotterdam, The Netherlands, the bill comes on a mini shopping cart with gummy hamburgers. 1
16:25, 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
15:53, 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
15:18, 27 May 2012 Shure-SM57-screen.jpg (file) 318 KB Shawn Showing a screen removed from a Shure SM57 mic, with tape added to reduce rattle. 1
13:55, 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
16:02, 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
12:59, 18 March 2012 Museum of 20th Century IT 14.jpg (file) 2.56 MB Shawn This SE and iMac are set up to chat with each other and the internet. 1
12:58, 18 March 2012 Museum of 20th Century IT 13.jpg (file) 2.45 MB Shawn The colorful, fanciful iMac inspired the industry. 1
12:56, 18 March 2012 Museum of 20th Century IT 12.jpg (file) 2.52 MB Shawn This airport base station, powerbook, and G4 exemplify the voluptuously rounded era, the late 90s, 1
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