User contributions for Wvbailey

3 January 2008

• 15:0515:05, 3 January 2008 diff hist −28‎ Measure ‎ →‎Simple differential amplifier: move revision history to bottom

2 January 2008

• 16:2916:29, 2 January 2008 diff hist +131‎ Measure ‎ →‎Simple differential amplifier: add a "Revision" note
• 15:5415:54, 2 January 2008 diff hist +2,823‎ Measure ‎ →‎Construction Details: clearer drawing, assembly tips
• 14:4614:46, 2 January 2008 diff hist +73‎ N File:Oscilloscope circuit 2d.png ‎ Drawn by wvbailey in Autosketch and exported from Adobe Acrobat as a png.
• 00:5300:53, 2 January 2008 diff hist +123‎ Measure ‎ →‎Construction Details: slight but important addition
• 00:4600:46, 2 January 2008 diff hist +2,253‎ Measure ‎ →‎Construction Details: flesh out with the idea of casting/molding. this would need some detail work but is a really interesting way to make "blocks" that are quasi-hermetic

1 January 2008

• 23:5823:58, 1 January 2008 diff hist +80‎ N File:Oscilloscope circuit 2c.JPG ‎ Drawn in Autosketch and saved as a .jpg. The .png version has very poor quality.
• 23:5323:53, 1 January 2008 diff hist +80‎ N File:Oscilloscope circuit 2c.png ‎ drawn by wvbailey in Autosketch, imported into Adobe Acrobat and saved as a png.
• 19:2419:24, 1 January 2008 diff hist +831‎ Measure ‎ →‎Bill of Materials (BOM): revised BOM
• 19:2119:21, 1 January 2008 diff hist +1,840‎ Measure ‎ →‎Bill of Materials (BOM): add a few "construction details" to get this going
• 18:3818:38, 1 January 2008 diff hist +630‎ Measure ‎ →‎Specifications
• 18:1118:11, 1 January 2008 diff hist +496‎ Measure ‎ →‎Specifications: add common-mode rejection spec
• 17:5717:57, 1 January 2008 diff hist +488‎ Measure ‎ →‎Circuit description: tweaks
• 17:2417:24, 1 January 2008 diff hist +5,023‎ Measure ‎ →‎Circuit description: add a bill of material with costs etc.

31 December 2007

• 18:4818:48, 31 December 2007 diff hist +4,597‎ Measure ‎ →‎Simple differential amplifier: flesh out the specs
• 17:2717:27, 31 December 2007 diff hist +7‎ Measure ‎ →‎Simple differential amplifier
• 17:2717:27, 31 December 2007 diff hist +21‎ m Measure ‎ →‎Simple differential amplifier
• 17:2617:26, 31 December 2007 diff hist +33‎ Measure ‎ →‎Simple differential amplifier
• 17:2517:25, 31 December 2007 diff hist +87‎ Measure ‎ →‎Hardware details: simple differential amplifer with 100K input impedance
• 17:1917:19, 31 December 2007 diff hist +95‎ N File:Oscilloscope circuit 2.png ‎ Designed, tested and drawn by wvbailey in Autosketch and exported as a .png from Adobe Acrobat.
• 17:1817:18, 31 December 2007 diff hist +1,160‎ User talk:Ixo ‎ Calculate activity...

30 December 2007

• 21:0121:01, 30 December 2007 diff hist +295‎ Talk:Calculate ‎ →‎gallery of Calculate examples: examples very helpful, also a syntax and list of functions/instructions/commands would be helpful

29 December 2007

• 22:1022:10, 29 December 2007 diff hist +274‎ Measure ‎ →‎Input specifications: change specs based on successful circuit and measurements
• 17:5717:57, 29 December 2007 diff hist +162‎ Measure ‎ →‎'''SAFETY FIRST!'''
• 17:5217:52, 29 December 2007 diff hist +354‎ Measure ‎ →‎SAFETY FIRST!: verbage tweak
• 17:4117:41, 29 December 2007 diff hist +19‎ Measure ‎ →‎SAFETY FIRST!: tweak
• 17:3717:37, 29 December 2007 diff hist +69‎ Measure ‎ →‎SAFETY FIRST!: last of the warnings
• 17:3217:32, 29 December 2007 diff hist +79‎ N File:Cautionary warning -- Explosion and Fire.png ‎ Drawn by wvbailey in Autosketch, imported into Adobe Acrobat and saved as .png.
• 03:1303:13, 29 December 2007 diff hist 0‎ Measure ‎ →‎SAFETY FIRST!: Boldface major warning
• 03:1203:12, 29 December 2007 diff hist −14‎ Measure ‎ →‎SAFETY FIRST!: The ultimate red warning banner
• 03:0903:09, 29 December 2007 diff hist +82‎ N File:Warning -- Read and Understand these Warnings and Cautions.png ‎ Drawn by wvbailey in Autosketch and imported into Adobe Acrobat and saved as .png.
• 02:5202:52, 29 December 2007 diff hist +361‎ Measure ‎ →‎SAFETY FIRST!: more safety symbols
• 02:4302:43, 29 December 2007 diff hist +71‎ N File:Caution -- Read and Understand These Instructions.png ‎ drawn by wvbailey in Autosketch and exported from Adobe Acrobat as .png
• 02:4002:40, 29 December 2007 diff hist +431‎ Measure ‎ →‎Input specifications: tweaks of warning labels
• 02:2902:29, 29 December 2007 diff hist −2‎ m Measure ‎ →‎Input specifications: amplified image more in scale
• 02:2802:28, 29 December 2007 diff hist −2‎ m Measure ‎ →‎Output and related ideas: amplified image

28 December 2007

• 19:3019:30, 28 December 2007 diff hist −2‎ m Measure ‎ →‎SAFETY FIRST!: change image to more pronounced version
• 19:1719:17, 28 December 2007 diff hist +685‎ Measure ‎ →‎Introduction: apply warning at the outset. This needs a red warning and will do soon, plus a symbol for "read the instructions"
• 19:1319:13, 28 December 2007 diff hist +336‎ Measure ‎ →‎Output and related ideas: add glaring safety warning to lower warning as well
• 19:1119:11, 28 December 2007 diff hist +666‎ Measure ‎ →‎Input specifications: more info about plugs etc
• 18:5518:55, 28 December 2007 diff hist +26‎ Measure ‎ →‎Input specifications: drawing showing design of a phono jack with
• 18:5018:50, 28 December 2007 diff hist +77‎ N File:OLPC input jack.png ‎ drawn by wvbailey in Autosketch, imported to Adobe Acrobat and saved as .png.
• 16:3516:35, 28 December 2007 diff hist +161‎ Measure ‎ →‎Input specifications: add a bit more to warning
• 16:2316:23, 28 December 2007 diff hist +1,861‎ Ask OLPC a Question about Hardware ‎ →‎Connecting to Apple Wireless: safety issues and equipment-destruction issues re the Measure activity
• 16:0216:02, 28 December 2007 diff hist +358‎ Ask OLPC a Question about Hardware ‎ →‎opening the laptop: how do I opening the laptop, bottom keyboard half

26 December 2007

• 23:0023:00, 26 December 2007 diff hist +315‎ Measure ‎ →‎Input specifications: a more graphically explict image of what happens when you mess around with AC line voltages
• 22:5222:52, 26 December 2007 diff hist +147‎ N File:Cautionary warning -- Electrocution 2.png ‎ redraw as more graphic version of Image: Cautionary_warning_--_Electrocution.png by wvbailey in Autosketch and converted to .png with Adobe Acrobat
• 22:1222:12, 26 December 2007 diff hist +182‎ Measure ‎ →‎Input specifications: 2nd cautionary warning
• 22:0622:06, 26 December 2007 diff hist +72‎ N File:Cautionary warning -- Caution.png ‎ drawn by wvbailey in Autosketch and converted to .png with Adobe Acrobat
• 21:4721:47, 26 December 2007 diff hist +243‎ Measure ‎ →‎Input specifications: add cautionary label (lightning bolt) and wording. Exclamation mark to come.