Difference between revisions of "Altai Joystick Adapter"

From The Dragon Archive
(Added composite picture.)
 
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An adapter to use up to two standard Atari joysticks with the Dragon.
 
An adapter to use up to two standard Atari joysticks with the Dragon.
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The board uses four PNP transistors marked “B1014”, which correspond to 2SB1014 (Japanese PNP small‑signal transistor, TO‑92).
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Pinout (flat side facing, leads down): E–B–C.
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As the original part is discontinued, a 2SA1015 or a general‑purpose PNP (e.g. 2N3906, BC557) with matching pinout and similar ratings (−50 V, −150 mA, hFE ≈ 100–320) may be used.
  
 
== Pictures ==
 
== Pictures ==
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Image:Altai_JoystickAdapter_Bottom.jpg
 
Image:Altai_JoystickAdapter_Bottom.jpg
 
Image:Altai_JoystickAdapter_PCB_Top.jpg
 
Image:Altai_JoystickAdapter_PCB_Top.jpg
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Image:Altai_Dragon_Joystick_Adapter_Annotated.jpg
 
Image:Altai_JoystickAdapter_PCB_Bottom.jpg
 
Image:Altai_JoystickAdapter_PCB_Bottom.jpg
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Image:Altai_Dragon_Joystick_Adapter_Composite.jpg
 
Image:Altai_JoystickAdapter_Box_Front.JPG
 
Image:Altai_JoystickAdapter_Box_Front.JPG
 
Image:Altai_JoystickAdapter_Box_Back.JPG
 
Image:Altai_JoystickAdapter_Box_Back.JPG

Latest revision as of 11:09, 14 August 2026

An adapter to use up to two standard Atari joysticks with the Dragon.

The board uses four PNP transistors marked “B1014”, which correspond to 2SB1014 (Japanese PNP small‑signal transistor, TO‑92). Pinout (flat side facing, leads down): E–B–C. As the original part is discontinued, a 2SA1015 or a general‑purpose PNP (e.g. 2N3906, BC557) with matching pinout and similar ratings (−50 V, −150 mA, hFE ≈ 100–320) may be used.

Pictures