User contributions
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- 15:25, 11 May 2008 (diff | hist) . . (+853) . . Talk:Measure (→Measure page/project re-org idea: comment and some action)
- 15:09, 11 May 2008 (diff | hist) . . (-15,612) . . Talk:Measure (→Build your own microphone. Build your own speaker.: moved article)
- 15:02, 11 May 2008 (diff | hist) . . (+612) . . Measure (→Activities Index: flesh this out)
- 14:41, 11 May 2008 (diff | hist) . . (+60,094) . . N Measure/Projects/Oscilloscope probe (start new article)
- 14:39, 11 May 2008 (diff | hist) . . (+40) . . Measure (→Activities Index)
- 14:37, 11 May 2008 (diff | hist) . . (+16,057) . . N Measure/Activities/Magnets and Wire (Move content from Measure:Talk to new page)
- 14:34, 11 May 2008 (diff | hist) . . (+41) . . Measure (→Activities Index)
- 14:22, 11 May 2008 (diff | hist) . . (+502) . . Measure (→Learning Activities: start an index of activities with links)
- 14:11, 11 May 2008 (diff | hist) . . (+1,824) . . Talk:Measure (→Build your own telephone: some modifications based on experimental events)
- 16:52, 9 May 2008 (diff | hist) . . (+274) . . Talk:Measure (→Build your own microphone. Build your own speaker.: add tentative schematic of a 1000:1 amplifier)
- 16:44, 9 May 2008 (diff | hist) . . (+43) . . N File:OLPC vibrating-wire amp -- schematic 1.JPG (Original drawing by wvbailey in Autosketch.)
- 16:33, 9 May 2008 (diff | hist) . . (+76) . . Talk:Measure (→Build your own microphone. Build your own speaker.: I'll move this when we figure out the articles' structure & cataloging method)
- 16:31, 9 May 2008 (diff | hist) . . (+3,370) . . Talk:Measure (→Build your own telephone: vibrating guitar wires)
- 17:35, 8 May 2008 (diff | hist) . . (+160) . . Talk:Measure (→Build your own microphone. Build your own speaker.: add drawing of wire-vibration "detector")
- 17:27, 8 May 2008 (diff | hist) . . (+43) . . N File:OLPC wire-vibration detector -- cut-away 1.JPG (Original drawing in Autosketch by wvbailey.)
- 17:21, 8 May 2008 (diff | hist) . . (+1,933) . . Talk:Measure (→Build your own microphone. Build your own speaker.: Build your own telephone.)
- 10:36, 7 May 2008 (diff | hist) . . (+1) . . User:Wvbailey (current)
- 17:42, 6 May 2008 (diff | hist) . . (+557) . . Talk:Measure (→measure the gravitational constant: followup)
- 17:37, 6 May 2008 (diff | hist) . . (+7,958) . . Talk:Measure (→Build your own microphone. Build your own speaker.: some wordage, split drawings into two)
- 16:45, 6 May 2008 (diff | hist) . . (+43) . . N File:OLPC microphone, top-view -- assembly 1 .JPG (Original drawing by wvbailey in Autosketch.)
- 16:44, 6 May 2008 (diff | hist) . . (+43) . . N File:OLPC microphone, cut-away -- assembly 1 .JPG (Original drawing by wvbailey in Autosketch.)
- 16:29, 6 May 2008 (diff | hist) . . (+59) . . N File:OLPC microphone -- assembly 1.JPG (.jpg version of original drawing by wvbailey in Autosketch.)
- 16:27, 6 May 2008 (diff | hist) . . (+68) . . Talk:Measure (→Build your own microphone. Build your own speaker.: drawing resolution is poor, try a jpg)
- 16:23, 6 May 2008 (diff | hist) . . (+43) . . N File:OLPC microphone -- assembly 1.PNG (Original drawing by wvbailey in Autosketch.)
- 16:22, 6 May 2008 (diff | hist) . . (+374) . . Talk:Measure (→Commercially available sensor kits for the XO: Build your own microphone. Build your own speaker.)
- 16:56, 27 April 2008 (diff | hist) . . (+1,943) . . Talk:Measure (→Holding place: Information re the Measure/Temperature activity: a temp sensor much lower in cost than the LM35)
- 11:31, 16 April 2008 (diff | hist) . . (+2,894) . . Talk:Measure (→Holding place: Information re the Measure/Temperature activity: a response to the thermistor question)
- 19:22, 12 April 2008 (diff | hist) . . (+1,082) . . Talk:Measure (→Holding place: Information re the Measure/Temperature activity: a brief entry on how to make a water-proof probe)
- 18:54, 12 April 2008 (diff | hist) . . (+1,687) . . Talk:Measure (→Commercially available sensor kits for the XO: more pointed questions)
- 14:01, 2 April 2008 (diff | hist) . . (+625) . . Talk:Measure (→Commercially available sensor kits for the XO: a thought-question)
- 17:16, 11 March 2008 (diff | hist) . . (+805) . . User talk:Arjs (→Calls: I don't really believe the $2.00 is accurate --)
- 16:12, 5 March 2008 (diff | hist) . . (+66) . . Measure/Projects (→Revision History, simple differential amplifier: note updated B.O.M.)
- 16:10, 5 March 2008 (diff | hist) . . (+455) . . Measure/Projects (→Simple isolation and protection amplifier: design of v2 is done)
- 16:01, 5 March 2008 (diff | hist) . . (+1,246) . . Measure/Projects (→Bill of Materials (BOM): update)
- 11:02, 1 March 2008 (diff | hist) . . (+488) . . Measure/Projects (→Simple isolation and protection amplifier: Note a mistake in drawing (will fix later) + a discussion)
- 14:33, 28 February 2008 (diff | hist) . . (+131) . . Measure/Projects (→PC board manual-construction details: add locator drawing)
- 14:26, 28 February 2008 (diff | hist) . . (+95) . . N File:Oscilloscope circuit component locations 2k.JPG (Original drawing by wvbailey in Autosketch 9 saved as jpg. {{GPL}} (GNU General Public License))
- 12:50, 27 February 2008 (diff | hist) . . (+192) . . Measure/Projects (→PC board manual-construction details: add pcb dimensions drawing)
- 12:45, 27 February 2008 (diff | hist) . . (+145) . . N File:Oscilloscope circuit dimensions 2k .JPG (Original drawing by wvbailey in Autosketch 9, exported as jpg, trimmed in Adobe Acrobat and exported as jpg. {{GPL}} (GNU General Public License))
- 11:30, 27 February 2008 (diff | hist) . . (+132) . . Measure/Projects (→Revision History, simple differential amplifier: REV 6)
- 11:27, 27 February 2008 (diff | hist) . . (+1,474) . . Measure/Projects (→PC board manual-construction details: add two images)
- 10:41, 27 February 2008 (diff | hist) . . (+64) . . N File:OLPC oscilloscope probe front 2k .jpg (Original photo by wvbailey. {{GPL}} (GNU General Public License))
- 10:38, 27 February 2008 (diff | hist) . . (+64) . . N File:OLPC oscilloscope probe back 2k .jpg (Original photo by wvbailey. {{GPL}} (GNU General Public License))
- 18:29, 26 February 2008 (diff | hist) . . (+1,427) . . Measure/Projects (→PC board manual-construction details: revised with new drawings and text)
- 17:48, 26 February 2008 (diff | hist) . . (+153) . . N File:Oscilloscope circuit layout back 2k .JPG (Original drawing by wvbailey in Autosketch, saved as jpg then imported into Adobe Acrobat to trim and export as jpg. {{GPL}} (GNU General Public License))
- 17:25, 26 February 2008 (diff | hist) . . (+95) . . N File:Oscilloscope circuit layout front 2k .JPG (Original drawing by wvbailey in Autosketch 9 saved as jpg. {{GPL}} (GNU General Public License))
- 17:15, 26 February 2008 (diff | hist) . . (+99) . . N File:Oscilloscope circuit layout 2k.JPG (Original drawing by wvbailey in Autosketch 9 and saved as jpg. {{GPL}} (GNU General Public License))
- 22:27, 25 February 2008 (diff | hist) . . (+723) . . Talk:Measure (→Holding place: Information re the Measure/Temperature activity)
- 22:12, 25 February 2008 (diff | hist) . . (+64) . . N File:OLPC temp sensor with crimped leads 1.jpg (Original photo by wvbailey. {{GPL}} (GNU General Public License))
- 21:45, 25 February 2008 (diff | hist) . . (+975) . . Talk:Measure (→Holding place: Information re the Measure/Temperature activity)
- 21:35, 25 February 2008 (diff | hist) . . (+265) . . Talk:Measure (→Basic metafor - Oscilloscope for beginners: where the microphone input is located)
- 19:03, 24 February 2008 (diff | hist) . . (+159) . . Measure/Projects (→Specifications: emend the emendments)
- 18:55, 24 February 2008 (diff | hist) . . (+108) . . Measure/Projects (→Specifications: emend)
- 18:36, 24 February 2008 (diff | hist) . . (+45) . . Measure/Projects (→Revision History, simple differential amplifier: Rev 5)
- 16:16, 24 February 2008 (diff | hist) . . (+163) . . N File:Oscilloscope cabling 1.PNG (Original drawing by wvbailey in Autosketch 9.0 saved as png, then imported into Adobe Acrobat and trimmed and exported as png. {{GPL}} (GNU General Public License))
- 16:04, 24 February 2008 (diff | hist) . . (+29) . . Measure/Projects (→PC board manual-construction details: add drawings)
- 12:50, 24 February 2008 (diff | hist) . . (+98) . . N File:Oscilloscope enclosure left and right 1.JPG (Original drawing by wvbailey in Autosketch 9.0, saved as jpg. {{GPL}} (GNU General Public License))
- 12:36, 24 February 2008 (diff | hist) . . (+101) . . N File:Oscilloscope enclosure top 1.JPG (Original drawing by wvbailey in Autosketch 9.0, exported as jpg. {{GPL}} (GNU General Public License))
- 12:34, 24 February 2008 (diff | hist) . . (+101) . . N File:Oscilloscope enclosure cover 1.JPG (Original drawing by wvbailey in Autosketch 9.0, exported as jpg. {{GPL}} (GNU General Public License))
- 12:27, 24 February 2008 (diff | hist) . . (+152) . . N File:Oscilloscope enclosure right 1.PNG (Original drawing by wvbailey in Autosketch 9.0, exported as png then trimmed in Adobe Acrobat and exported as png. {{GPL}} (GNU General Public License))
- 12:25, 24 February 2008 (diff | hist) . . (+152) . . N File:Oscilloscope enclosure left 1.PNG (Original drawing by wvbailey in Autosketch 9.0, exported as png then trimmed in Adobe Acrobat and exported as png. {{GPL}} (GNU General Public License))
- 12:21, 24 February 2008 (diff | hist) . . (+152) . . N File:Oscilloscope enclosure cover 1.PNG (Original drawing by wvbailey in Autosketch 9.0, exported as png then trimmed in Adobe Acrobat and exported as png. {{GPL}} (GNU General Public License))
- 12:16, 20 February 2008 (diff | hist) . . (+303) . . Measure/Projects (→Cable: For +5 volt power from laptop and audio-plug input to laptop: revise)
- 11:29, 20 February 2008 (diff | hist) . . (+425) . . Measure/Projects (→Simple isolation and protection amplifier: add photo)
- 11:11, 20 February 2008 (diff | hist) . . (+17) . . N File:Oscilloscope probe photo 1.jpg (Photo by wvbailey)
- 10:55, 20 February 2008 (diff | hist) . . (+343) . . m Measure/Projects (→Construction Details: add holding place for "mechanical details" section plus)
- 23:27, 19 February 2008 (diff | hist) . . (+93) . . Measure/Projects (→Revision History, simple differential amplifier: updates REV 4)
- 23:17, 19 February 2008 (diff | hist) . . (+345) . . Measure/Projects (→USB 2.0 Connection for +5 volt power: add preliminary assembly drawings)
- 23:02, 19 February 2008 (diff | hist) . . (+147) . . N File:Oscilloscope cabling 5.PNG (Original drawing by wvbailey in Autosketch 9, imported into Adobe Acrobat to trim, then exported as .png. Template:GPL (GNU General Public License))
- 19:54, 19 February 2008 (diff | hist) . . (+147) . . N File:Oscilloscope cabling 6.PNG (Original drawing by wvbailey in Autosketch 9, imported into Adobe Acrobat to trim, then exported as .png. Template:GPL (GNU General Public License))
- 19:09, 19 February 2008 (diff | hist) . . (+142) . . N File:Oscilloscope cabling 2.PNG (Original drawing by wvbailey in Autosketch 9, imported into Adobe Acrobat to trim, then exported as .png. {{GPL}} (GNU General Public License))
- 18:51, 19 February 2008 (diff | hist) . . (+156) . . N File:Oscilloscope cabling 3.PNG (Original drawing by wvbailey in Autosketch 9, saved as .png, imported into Adobe Acrobat, trimmed and exported as .png. {{GPL}} (GNU General Public License))
- 18:30, 19 February 2008 (diff | hist) . . (+91) . . N File:Oscilloscope cabling 4.PNG (Drawn by wvbailey in Autosketch 9 and saved as a .png. {{GPL}} (GNU General Public License))
- 14:38, 19 February 2008 (diff | hist) . . (+141) . . N File:Oscilloscope cabling 2j.png (Original drawing by wvbailey in Autosketch, exported into Acrobat and then saved as .png. This is a trial to see if resolution is sufficient.)
- 14:32, 19 February 2008 (diff | hist) . . (+67) . . N File:Oscilloscope cabling 2j.JPG (Original drawing by wvbailey in Autosketch. Test to see resolution.)
- 14:26, 19 February 2008 (diff | hist) . . (+52) . . N File:Oscilloscope cabling 2j.pdf (Original drawing by wvbailey. Test export as a .pdf.)
- 23:47, 12 February 2008 (diff | hist) . . (+102) . . Measure/Projects (→Circuit description: update)
- 23:26, 12 February 2008 (diff | hist) . . (+307) . . Measure/Projects (→Revision History, simple differential amplifier: update)
- 23:20, 12 February 2008 (diff | hist) . . (+4,633) . . Measure/Projects (→Construction Details: update)
- 17:12, 12 February 2008 (diff | hist) . . (+100) . . N File:Oscilloscope circuit layout 2j.png (Drawn by wvbailey in Autosketch and saved as .jpg. Imported into Adobe Acrobat and exported as .png.)
- 16:02, 12 February 2008 (diff | hist) . . (+9,363) . . Measure/Projects (→Bill of Materials (BOM): update BOM)
- 13:55, 26 January 2008 (diff | hist) . . (+4,652) . . User talk:Arjs (→Temperature measurements: a comment on assembling the temp probe and on the)
- 22:05, 22 January 2008 (diff | hist) . . (+2,712) . . Talk:Measure (→line voltage: a longish answer)
- 01:01, 15 January 2008 (diff | hist) . . (+1,138) . . User talk:Arjs (→Temperature measurements: a few more thoughts)
- 00:33, 15 January 2008 (diff | hist) . . (+580) . . Talk:Measure (→The speaker output as a source of square, triangle and sine waves but in the Measure activity)
- 19:57, 14 January 2008 (diff | hist) . . (+1,873) . . User talk:Arjs (→volunteers for your projects: yes, I will order the parts. Some concerns about tools needed...)
- 15:52, 14 January 2008 (diff | hist) . . (+448) . . Measure/Projects (→Construction Details: add board drawing that will fit inside a Hammond box)
- 15:44, 14 January 2008 (diff | hist) . . (+86) . . N File:Oscilloscope circuit dimensions 2g.png (Drawn by wvbailey in Autosketch then converted to .png through Adobe Acrobat. {{GFDL}})
- 12:17, 14 January 2008 (diff | hist) . . (+2,096) . . Measure/Projects (→Specifications: redo with more info)
- 19:31, 13 January 2008 (diff | hist) . . (+216) . . Measure/Projects (→Simple differential amplifier: change name to make clear what the purpose of this is, remove a drawing, etc)
- 19:23, 13 January 2008 (diff | hist) . . (+9,032) . . Measure/Projects (→Circuit description: add a lot more detail)
- 15:19, 9 January 2008 (diff | hist) . . (+417) . . Measure/Projects (→Construction Details: add the USB drawing and a header)
- 15:10, 9 January 2008 (diff | hist) . . (+884) . . Measure/Hardware (add USB drawing with an assembly print)
- 14:55, 9 January 2008 (diff | hist) . . (+117) . . N File:USB 2.0 plug.png (Original drawing by wvbailey in Autosketch, exported from Adobe Acrobat as png. Drawn from the USB 2.0 specification.)
- 14:44, 7 January 2008 (diff | hist) . . (+713) . . Talk:Measure (→measure the gravitational constant: where to buy magnets)
- 13:01, 6 January 2008 (diff | hist) . . (+278) . . OLPC:News (→Laptop News 2008-01-05: add wall street journal articles as well (1st one seems fully accessible, but the 2nd is restricted))
- 16:38, 5 January 2008 (diff | hist) . . (+1,846) . . Talk:Measure (→measure the gravitational constant: some thoughts, observations)
- 16:05, 5 January 2008 (diff | hist) . . (+6,351) . . Measure (→Simple differential amplifier: update schematics, drawings etc. schematic has an error -- two R9's. R9 in divider is actually R10. Will fix shortly.)
- 15:46, 5 January 2008 (diff | hist) . . (+92) . . N File:Oscilloscope circuit 2e.png (drawn by wvbailey, circuit with optional components, 1:20 gain, 1-turn trimmer potentiometer)
- 11:11, 3 January 2008 (diff | hist) . . (+337) . . Measure (→Construction Details: new section -- revision history)
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