User contributions for Ricardo
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1 September 2007
- 16:1016:10, 1 September 2007 diff hist +23 Barcode file transfer →How does the recipient read the information?
- 16:0916:09, 1 September 2007 diff hist +66 Barcode file transfer →How big are they?
- 16:0616:06, 1 September 2007 diff hist +1,491 Barcode file transfer Added links and Using information from 2D barcodes in mass publications.
- 15:3715:37, 1 September 2007 diff hist +31 Barcode file transfer Revised intro.
- 15:3215:32, 1 September 2007 diff hist +15 Barcode file transfer →Who can use it?: Changed title.
- 15:3115:31, 1 September 2007 diff hist +906 Barcode file transfer Added categories Network and Internet, plus IPR issues.
- 15:1415:14, 1 September 2007 diff hist +103 Barcode file transfer →How are they created?: Fixed typos.
- 15:0815:08, 1 September 2007 diff hist +3,791 N Barcode file transfer First version.
- 14:3414:34, 1 September 2007 diff hist +198 Internet →Pages for other data-communication technologies: Added 'Barcode file transfer' section.
- 11:5511:55, 1 September 2007 diff hist +276 Radio and broadcast →Overview: Added where it could be used and by what type of computer.
- 11:4411:44, 1 September 2007 diff hist −64 Radio and broadcast →Overview: Added bit about doesn't required a license, etc.
- 11:3511:35, 1 September 2007 diff hist −3 Radio and broadcast →Signal format: Changed frequencies, updated picture.
- 11:2911:29, 1 September 2007 diff hist +1 Radio and broadcast →Signal format
- 10:5710:57, 1 September 2007 diff hist +151 Radio and broadcast →Signal format: Added picture of waveforms.
- 10:5010:50, 1 September 2007 diff hist +199 N File:AFSK.png Binary Data repesenting part of a file, embedded as AFSK Audio Frequency Shift Keying audio-tones within a Music Signal. The binary 0s and 1s are represented by periods of 1200Hz and 2400Hz sinewave.
- 09:2109:21, 1 September 2007 diff hist +167 Radio and broadcast →Development status: Added stuff about university project, etc.
- 09:1609:16, 1 September 2007 diff hist +326 m Radio and broadcast →Overview: Moved text around.
- 09:0309:03, 1 September 2007 diff hist +18 Radio and broadcast →Overview: Improved wording of intro.
31 August 2007
- 10:5910:59, 31 August 2007 diff hist +837 The Theft Problem Added 'steel cable and padlock'.
- 10:4110:41, 31 August 2007 diff hist +157 The Theft Problem →The EduVision eSlate anti-theft system: Added WLAN, FLASH, etc.
- 10:3610:36, 31 August 2007 diff hist +436 The Theft Problem Added TI EZ-Spot section.
29 August 2007
- 15:5115:51, 29 August 2007 diff hist +91 Optical data link →Ronja cheap home-made optical link: There are 2 versions, red and infra-red.
28 August 2007
- 20:0920:09, 28 August 2007 diff hist +99 Radio and broadcast →Streaming real-time or pre-prepared audio encoding
- 20:0720:07, 28 August 2007 diff hist +453 Radio and broadcast Added new section 'Streaming real-time or pre-prepared audio encoding'.
- 20:0120:01, 28 August 2007 diff hist +2 Radio and broadcast →Two-Way Transmission - Benefits for Radio-Stations and Schools
- 19:5919:59, 28 August 2007 diff hist +83 Radio and broadcast →Two-Way Transmission - Benefits for Radio-Stations and Schools
- 19:5719:57, 28 August 2007 diff hist +48 Radio and broadcast →Development Partners
- 19:5519:55, 28 August 2007 diff hist +51 Radio and broadcast →Verifying the data before transmission: Just an option.
- 19:5119:51, 28 August 2007 diff hist +12 Radio and broadcast →Wide coverage of data transmission
- 19:5019:50, 28 August 2007 diff hist +17 Radio and broadcast →No need for new Radio-licenses: Chnaged title.
- 19:5019:50, 28 August 2007 diff hist +8 Radio and broadcast →Cheap Hardware
- 19:4919:49, 28 August 2007 diff hist +204 Radio and broadcast →Cheap Hardware
- 19:4519:45, 28 August 2007 diff hist +73 Radio and broadcast →Quantity of data
- 19:4019:40, 28 August 2007 diff hist +43 Radio and broadcast →Overview
- 19:3519:35, 28 August 2007 diff hist +310 Radio and broadcast →Overview
- 19:2319:23, 28 August 2007 diff hist +283 Radio and broadcast →Development status
- 19:1919:19, 28 August 2007 diff hist +399 Radio and broadcast →Overview: Added development status.
- 19:1319:13, 28 August 2007 diff hist +258 Radio and broadcast →Overview
- 19:1019:10, 28 August 2007 diff hist +490 Radio and broadcast →Overview: Added bit about expense of equipment.
- 19:0319:03, 28 August 2007 diff hist +213 Radio and broadcast →Overview
- 18:2118:21, 28 August 2007 diff hist +40 Radio and broadcast →Satellite Broadcast: Added link to worldspace.
- 18:1918:19, 28 August 2007 diff hist +610 Radio and broadcast →Satellite Broadcast: Added eduvision.
- 17:5617:56, 28 August 2007 diff hist +79 The Theft Problem →The EduVision eSlate anti-theft system
- 17:5517:55, 28 August 2007 diff hist +916 The Theft Problem Added eSlate section.
25 August 2007
- 08:0808:08, 25 August 2007 diff hist +64 m Sneakernet Added villages etc.
- 08:0608:06, 25 August 2007 diff hist +42 Sneakernet Added wikipedia link for sneakernet.
- 08:0508:05, 25 August 2007 diff hist +190 Sneakernet Added page intro.
- 08:0308:03, 25 August 2007 diff hist +43 Internet Added wikipedia link.
- 08:0108:01, 25 August 2007 diff hist +24 m Internet Changed OLPC to One Laptop Per Child in intro.
24 August 2007
- 11:0811:08, 24 August 2007 diff hist +107 One encyclopedia per child →Links (on various wikis): Added Wikipedia on DVD.