---
title: "Joystick Port Modification for Trakball"
type: "article"
slug: "joystick-port-modification-for-trakball"
url: "http://localhost/article/joystick-port-modification-for-trakball/"
markdown_url: "http://localhost/article/joystick-port-modification-for-trakball.md"
published_at: "2026-03-14T13:09:31+00:00"
modified_at: "2026-03-14T13:09:32+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Describes a hardware modification to the TS2068 player 2 joystick port: breaking the trace from pin 7 and jumpering to ground allows an Atari-compatible trakball to work correctly. Wiring schematic included. Also used for a CHRDKEY Bugserio Keypad. Demonstrates the Romswitch trakball capability shown at October meeting."
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  - name: "TS 2068"
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model:
  - name: "Timex/Sinclair 2068"
    slug: "ts-2068"
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indiv:
  - name: "Rita Carr"
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publication_r:
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  title: "Timelinez"
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authors_r:
  - name: "Rita Carr"
    slug: "rita-carr"
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    url: "http://localhost/indiv/rita-carr/"
volume: "3"
issue: "1"
issues_articles:
  - id: 38815
    title: "Timelinez v3 n1"
    type: "issue"
    url: "http://localhost/issue/timelinez-v3-n1/"
pages: "5"
pubdate: "January 1985"
archive_link: false
---

# Joystick Port Modification for Trakball

Describes a hardware modification to the TS2068 player 2 joystick port: breaking the trace from pin 7 and jumpering to ground allows an Atari-compatible trakball to work correctly. Wiring schematic included. Also used for a CHRDKEY Bugserio Keypad. Demonstrates the Romswitch trakball capability shown at October meeting.