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Combined display of all available logs of RevSpace. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 21:08, 24 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.4.pdf (revised version with resistor dividers between PSG and SD-card slot to convert 5V PSG levels to 3V3 SD-card levels, datalines are pulled up clock and latch lines not (pulled low by resistor divider).)
- 13:41, 21 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png (PSG board with SD-card interface 3D preview)
- 21:58, 19 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.3.png (FIRST VERSION WITH SD-CARD SLOT)
- 21:54, 19 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.3.pdf (FIRST VERSION WITH SD-CARD SLOT)
- 21:36, 12 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.2.png (Third version, complete but GPIO's not yet used.)
- 21:32, 12 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.2.pdf (third version)
- 12:46, 6 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.1.png (work in progress)
- 21:29, 5 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.1.pdf
- 20:23, 28 June 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.0 medium.png (Smaller version, not as absurdly large as the original.)
- 19:44, 28 June 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.0.png (First version PSG for ZX81+35)
- 22:36, 26 June 2016 Mahjongg talk contribs moved page Zon X-81 expansion for ZX81+35 to Zon X-81 Programmable Sound Generator expansion for ZX81+35 (more descriptive name)
- 11:26, 24 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary)-1.png (final version)
- 21:03, 21 June 2016 Mahjongg talk contribs uploaded a new version of File:ZONX sound expansion REV 2,0.pdf
- 23:39, 19 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary)-1.png (color version, with corrections and enhancements,)
- 21:39, 19 June 2016 Mahjongg talk contribs uploaded File:ZONX sound expansion REV 2,0.pdf (second corrected version)
- 21:06, 14 June 2016 Mahjongg talk contribs uploaded File:ZON X sound expansion.pdf (ZX81 Programmable Sound expansion from BI-PAK; succeed the earlier model ZON X-81)
- 17:51, 8 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary)-1.png (added preliminary decoder (without read PSG))
- 21:20, 7 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary).pdf (ADDED PRELIMINARY LOGIC)
- 20:59, 25 May 2016 Mahjongg talk contribs uploaded File:Sound expansion (preliminary)-1.png (second iteration preliminary, interface of ay-3-8912 starting to take shape)
- 21:43, 24 May 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary).pdf (SECOND VERSION)
- 21:30, 17 May 2016 Mahjongg talk contribs uploaded File:Sound expansion (preliminary).pdf (Unfinished expansion module with AY-3-8912 PSG for the ZX81+35)
- 17:26, 8 April 2016 Mahjongg talk contribs uploaded File:Sound & edge connector expansion board example.png (An example of a possible expansion board, AY-8912 (ZON-X) sound, SD-Card interface and standard edge connector.)
- 17:31, 6 April 2016 Mahjongg talk contribs uploaded a new version of File:1e ontwerp bodem met PCB's.png (Better angle, added screws)
- 20:33, 5 April 2016 Mahjongg talk contribs uploaded a new version of File:1e ontwerp bodem met PCB's.png (removed white border around picture)
- 18:29, 5 April 2016 Mahjongg talk contribs uploaded File:1e ontwerp bodem met PCB's.png (1e concept bodem met inhoud ZX81+35)
- 18:28, 5 April 2016 Mahjongg talk contribs uploaded File:1e ontwerp concept bodem.png (1e concept van bodem ZX81+35)
- 23:59, 2 April 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Changed R59 to 10K (from 4K7) for better stability with cassette interface pulses that contain a lot of odd harmonics, which would otherwise randomly "split" the pulse in two digital pulses.)
- 18:23, 1 April 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 revision 2.2 december 2015 front preview.png (New updated version with pinheader keyboard connection and mounting holes)
- 17:23, 28 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (changed 10uF cap in cassette interface to 4n7)
- 17:07, 28 March 2016 Mahjongg talk contribs uploaded File:Average value after 0,15 sec with 4.7nF cap.png
- 16:48, 28 March 2016 Mahjongg talk contribs uploaded File:Average value after 0,15 sec with 10uF cap.png
- 15:01, 27 March 2016 Mahjongg talk contribs uploaded File:Layout ZX81+35 Rev 3 27 May 2016.png
- 14:49, 27 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Implemented working cassette input interface)
- 11:51, 27 March 2016 Mahjongg talk contribs uploaded File:Swing.png
- 15:31, 25 March 2016 Mahjongg talk contribs uploaded File:Picture of spice Wave forms on cassette interface ZX81+35.png (Picture of simulation wave forms of improved cassette interface ZX81+35)
- 15:29, 25 March 2016 Mahjongg talk contribs uploaded File:Picture of Spice model of cassette interface ZX81+35.png (picture of improved cassette interface)
- 15:28, 25 March 2016 Mahjongg talk contribs uploaded File:Wave forms on cassette interface ZX81+35.pdf (Simulation of wave forms on improved cassette interface)
- 15:28, 25 March 2016 Mahjongg talk contribs uploaded File:Spice model of cassette interface ZX81+35.pdf (improved cassette interface)
- 00:38, 23 March 2016 Mahjongg talk contribs uploaded File:Cassette interface march 23 2016.png (first revised cassette interface)
- 00:22, 23 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Changed the cassette port (first attempt))
- 02:04, 20 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Changed 2N7002 FETs in joystick interface to MMBT3904 NPN Transistors, source gate capacitance FETs had negative influence on keyboard timing)
- 21:17, 19 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Inverted clock of U18b.)
- 23:58, 16 March 2016 Mahjongg talk contribs uploaded File:Improved video quality.jpg
- 23:45, 16 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 perfect checkerboard.jpg
- 23:38, 16 March 2016 Mahjongg talk contribs uploaded File:ZX81+35 perfect checkerboard.jpg
- 23:35, 16 March 2016 Mahjongg talk contribs uploaded File:ZX81+35 fixed video.jpg
- 21:02, 13 March 2016 Mahjongg talk contribs uploaded File:ZX81+35 REV 3.0.pdf (first version of non prototype ZX81+35)
- 22:27, 9 March 2016 Mahjongg talk contribs uploaded File:PTDC0252.JPG (tv picture produced by ZX81+35 on march 8 2016)
- 01:59, 28 February 2016 Mahjongg talk contribs uploaded File:Its alive!.JPG (first sign of life for the ZX81+35)
- 22:21, 21 February 2016 Mahjongg talk contribs uploaded File:ZX81+35 REV 2.2 built up.JPG (All components soldered to the board, except part of the Joystick logic (to make debugging the keyboard layout easier))