User contributions for Wvbailey

11 May 2008

• 19:2519:25, 11 May 2008 diff hist +853‎ Talk:Measure ‎ →‎Measure page/project re-org idea: comment and some action
• 19:0919:09, 11 May 2008 diff hist −15,612‎ Talk:Measure ‎ →‎Build your own microphone. Build your own speaker.: moved article
• 19:0219:02, 11 May 2008 diff hist +612‎ Measure ‎ →‎Activities Index: flesh this out
• 18:4118:41, 11 May 2008 diff hist +60,094‎ N Measure/Projects/Oscilloscope probe ‎ start new article
• 18:3918:39, 11 May 2008 diff hist +40‎ Measure ‎ →‎Activities Index
• 18:3718:37, 11 May 2008 diff hist +16,057‎ N Measure/Activities/Magnets and Wire ‎ Move content from Measure:Talk to new page
• 18:3418:34, 11 May 2008 diff hist +41‎ Measure ‎ →‎Activities Index
• 18:2218:22, 11 May 2008 diff hist +502‎ Measure ‎ →‎Learning Activities: start an index of activities with links
• 18:1118:11, 11 May 2008 diff hist +1,824‎ Talk:Measure ‎ →‎Build your own telephone: some modifications based on experimental events

9 May 2008

• 20:5220:52, 9 May 2008 diff hist +274‎ Talk:Measure ‎ →‎Build your own microphone. Build your own speaker.: add tentative schematic of a 1000:1 amplifier
• 20:4420:44, 9 May 2008 diff hist +43‎ N File:OLPC vibrating-wire amp -- schematic 1.JPG ‎ Original drawing by wvbailey in Autosketch.
• 20:3320:33, 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
• 20:3120:31, 9 May 2008 diff hist +3,370‎ Talk:Measure ‎ →‎Build your own telephone: vibrating guitar wires

8 May 2008

• 21:3521:35, 8 May 2008 diff hist +160‎ Talk:Measure ‎ →‎Build your own microphone. Build your own speaker.: add drawing of wire-vibration "detector"
• 21:2721:27, 8 May 2008 diff hist +43‎ N File:OLPC wire-vibration detector -- cut-away 1.JPG ‎ Original drawing in Autosketch by wvbailey.
• 21:2121:21, 8 May 2008 diff hist +1,933‎ Talk:Measure ‎ →‎Build your own microphone. Build your own speaker.: Build your own telephone.

7 May 2008

• 14:3614:36, 7 May 2008 diff hist +1‎ User:Wvbailey ‎No edit summary current

6 May 2008

• 21:4221:42, 6 May 2008 diff hist +557‎ Talk:Measure ‎ →‎measure the gravitational constant: followup
• 21:3721:37, 6 May 2008 diff hist +7,958‎ Talk:Measure ‎ →‎Build your own microphone. Build your own speaker.: some wordage, split drawings into two
• 20:4520:45, 6 May 2008 diff hist +43‎ N File:OLPC microphone, top-view -- assembly 1 .JPG ‎ Original drawing by wvbailey in Autosketch.
• 20:4420:44, 6 May 2008 diff hist +43‎ N File:OLPC microphone, cut-away -- assembly 1 .JPG ‎ Original drawing by wvbailey in Autosketch.
• 20:2920:29, 6 May 2008 diff hist +59‎ N File:OLPC microphone -- assembly 1.JPG ‎ .jpg version of original drawing by wvbailey in Autosketch.
• 20:2720:27, 6 May 2008 diff hist +68‎ Talk:Measure ‎ →‎Build your own microphone. Build your own speaker.: drawing resolution is poor, try a jpg
• 20:2320:23, 6 May 2008 diff hist +43‎ N File:OLPC microphone -- assembly 1.PNG ‎ Original drawing by wvbailey in Autosketch.
• 20:2220:22, 6 May 2008 diff hist +374‎ Talk:Measure ‎ →‎Commercially available sensor kits for the XO: Build your own microphone. Build your own speaker.

27 April 2008

• 20:5620:56, 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

16 April 2008

• 15:3115:31, 16 April 2008 diff hist +2,894‎ Talk:Measure ‎ →‎Holding place: Information re the Measure/Temperature activity: a response to the thermistor question

12 April 2008

• 23:2223:22, 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
• 22:5422:54, 12 April 2008 diff hist +1,687‎ Talk:Measure ‎ →‎Commercially available sensor kits for the XO: more pointed questions

2 April 2008

• 18:0118:01, 2 April 2008 diff hist +625‎ Talk:Measure ‎ →‎Commercially available sensor kits for the XO: a thought-question

11 March 2008

• 21:1621:16, 11 March 2008 diff hist +805‎ User talk:Arjs ‎ →‎Calls: I don't really believe the $2.00 is accurate --

5 March 2008

• 20:1220:12, 5 March 2008 diff hist +66‎ Measure/Projects ‎ →‎Revision History, simple differential amplifier: note updated B.O.M.
• 20:1020:10, 5 March 2008 diff hist +455‎ Measure/Projects ‎ →‎Simple isolation and protection amplifier: design of v2 is done
• 20:0120:01, 5 March 2008 diff hist +1,246‎ Measure/Projects ‎ →‎Bill of Materials (BOM): update

1 March 2008

• 15:0215:02, 1 March 2008 diff hist +488‎ Measure/Projects ‎ →‎Simple isolation and protection amplifier: Note a mistake in drawing (will fix later) + a discussion

28 February 2008

• 18:3318:33, 28 February 2008 diff hist +131‎ Measure/Projects ‎ →‎PC board manual-construction details: add locator drawing
• 18:2618:26, 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)

27 February 2008

• 16:5016:50, 27 February 2008 diff hist +192‎ Measure/Projects ‎ →‎PC board manual-construction details: add pcb dimensions drawing
• 16:4516:45, 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)
• 15:3015:30, 27 February 2008 diff hist +132‎ Measure/Projects ‎ →‎Revision History, simple differential amplifier: REV 6
• 15:2715:27, 27 February 2008 diff hist +1,474‎ Measure/Projects ‎ →‎PC board manual-construction details: add two images
• 14:4114:41, 27 February 2008 diff hist +64‎ N File:OLPC oscilloscope probe front 2k .jpg ‎ Original photo by wvbailey. {{GPL}} (GNU General Public License)
• 14:3814:38, 27 February 2008 diff hist +64‎ N File:OLPC oscilloscope probe back 2k .jpg ‎ Original photo by wvbailey. {{GPL}} (GNU General Public License)

26 February 2008

• 22:2922:29, 26 February 2008 diff hist +1,427‎ Measure/Projects ‎ →‎PC board manual-construction details: revised with new drawings and text
• 21:4821:48, 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)
• 21:2521:25, 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)
• 21:1521:15, 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)
• 02:2702:27, 26 February 2008 diff hist +723‎ Talk:Measure ‎ →‎Holding place: Information re the Measure/Temperature activity
• 02:1202:12, 26 February 2008 diff hist +64‎ N File:OLPC temp sensor with crimped leads 1.jpg ‎ Original photo by wvbailey. {{GPL}} (GNU General Public License)
• 01:4501:45, 26 February 2008 diff hist +975‎ Talk:Measure ‎ →‎Holding place: Information re the Measure/Temperature activity