This is a Joystick Adapter for Apple IIc, with this adapter you can use the Apple ][ Plus Joystick.

Joystick Adapter Pinouts:

12►

Some fixes for the Electron Data Recorder ALF03.

• Fixed the output Audio.
• Replace the belt.
• Clean the tape head and fix the Azimuth.
• Fixed the Powersupply cable.
• Self made RGB Cable.
• Self made Data Recorder Cable (DIN 7 PINs).

Click here for my Acorn Electron computer.

Autopsy:

This is my homebrew C2N232 Interface.

from Marko Mäkelä’s homepage:

The C2N232 is a small RS-232 interface that can be plugged to the cassette port of an 8-bit Commodore computer:

• PET series: 2001, 3000 series, 4000 series, 8000 series, 200 series
• PET-II series: CBM 500, 600 or 700 series (P500 or the B series)
• Commodore VC-20, VIC-20 or VIC-1001
• Commodore 64, 4064, 64c or 64G
• Commodore 128, 128D or 128DCR
• Commodore 264 series: 16, 116, plus/4 or 232

source: Marko Mäkelä’s Homepage

My homebrew Powersupply adaptor for Amstrad CPC 6128 with a External Floppy Drive 3½.

source: cpcwiki.eu jrp king homepage kjthacker.f2s.com

Parados Installation Photo Gallery:

ParaDOS is 16kB ROM that replaces the AmsDOS. Allows to use double-sided floppy disks and some more disk formats.

source: grimware.org

Foto review of the Serial cable and Transfer program:

ADTPro may be used to transfer Apple diskette/disk images in DOS or ProDOS/SOS format.

The Apple client side happens to run under ProDOS or SOS, but it is perfectly capable of reading or writing Apple DOS (or Pascal, or CP/M, or…) diskettes.

source: adtpro.sourceforge.net

My homebrew Powersupply adaptor & RGB/Audio Scart cable for Amstrad CPC 464/6128.

source: cpcwiki.eu jrp king homepage kjthacker.f2s.com

I have bricked my fonera and now the power light comes on but the fonera reboot cycling. I cannot access the web gui /ssh or telnet through redboot. Serial Connection fix all  my problems.

Gallery:

source: dd-wrt.com

Replacement the Sinclair QL membrane and reassemble the Keyboard.

source: rwapsoftware.co.uk

Some Screenshots :

source: atari-forum.com

Teac Floppy Drive and some games Screenshots:

source: atari4ever

• PIN 1 = Common (GND)
• PIN 4 = Free
• PIN 2 = 14.6v (AC)
• PIN 5 = Free
• PIN 3 = 14.6v (AC)

Click here for my Commodore Modem 8010.

Sound fix diagram here. (pdf)

from Cristian Secară Homepage:

The first release (the +3) has a fatal hardware mistake: the 128K sound output is completely distorted.

• Tech explanation: the analog output of the AY-3-8912 sound chip was intended to be amplified by a one stage common-emitter transistor. In practice, they have forgot to put a resistor to the transistor’s emitter. The result: the transistor works in switch-mode – the sound is converted from analog multi-level amplitude to digitized two-level amplitude, same as the old 48K sound system.

source: secarica.ro ay8912 Demos

ColecoVision RGB Hack:

Photo from #3 to #6 explain how to hack the RGB output signal inside the console.

ColecoVision RGB connector pinout:

__________________________________
\ o1  o   o3  o   o5  o   o   o8 /
 \  o   o   o   o   o13 o   o15 /
  \____________________________/

Pin Signal

 1  Red Output
 3  Green Output
 5  Blue Output
 8  Ground
13  Composite Synch
15  Audio Output (very low volume)

Scart RGB pinout:

   ----------------------------21
  _| 19 17 15 13 11 9 7 5 3 1 |
 |                            |
 | 20 18 16 14 12 10 8 6 4 2  |
  ----------------------------

Pin Signal                     Signal level

 1  Right Audio Out
 2  Right Audio In
 3  Left Audio In
 4  Audio Ground
 5  Ground (blue)
 6  Left Audio Out
 7  Blue input                 (0.7V, 75ohm)
 8  Function select/AV control (9.5-12V = AV mode, >10kohm)
 9  Ground (green)
10  Reserved Data
11  Green input                (0.7V, 75ohm)
12  Reserved Data
13  Ground (red)
14  RGB Blanking
15  Red input                  (0.7V, 75ohm)
16  RGB switching control      (1-3V = RGB mode on, 75ohm)
17  Ground (sync signal)
18  Ground (RGB switching)
19  Composite Out
20  Composite Input (Synch)    (as in 1Vpp video signal, 75ohm)
21  Common ground (shield)

Fix:

• Video Contrast problems: i have bypassed the resistor for RGB. (Photo #6)
• Jamma Connector is too big for my SNK MV-2F MVS: I have used a rasp for reduce the Jamma connector. (Photo #7)

source: wikipedia