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trackball_module

trackball_module_main00

This is a module part for 34mm trackball with ADNS-5050 sensor. Module size is within 2u x 2u (38mm x 38mm) so that it can be easily implemented with existing DIY keyboards. Connection with other boards is via 2.54mm-pitched 5 pins or 1.0mm-pitched SH connector. The module is embedded with a Meishi (name card) sized PCB which can also work as a stand-alone mini trackball with two keys, a rotary encoder and an OLED display.

  • Keyboard Maintainer: aki27kbd @aki27kbd
  • Hardware Supported: meishi trackball module PCB, ProMicro
  • Hardware Availability: BOOTH Go on sale in October 2022.

Build Guide JP / EN

1. Stand-alone Mini Trackball

Meishi trackball module can be used as a mini trackball running on QMK. Keycodes and rotary encoder settings are easily customized via Remap.

BOM

名前 備考
MicroUSB or USB-TypeCケーブル 1本
ProMicro 1個
コンスル― or ピンヘッダ(12ピン) 2本
キースイッチ 2個 MX互換 or Choc v1
キーキャップ(1U) 2個 MX互換 or Choc v1
ロータリーエンコーダ(EC12互換) 1個 水平タイプも可
ロータリーエンコーダ用ノブ 1個 最大直径16mm以下
OLEDモジュール 1個
OLED用ピンソケット 1個
OLED用ピンヘッダ 1個
リセットスイッチ 1個
34mmボール 1個
M2ねじ 6mm 4本
M2ナット 4個
アクリルボトムプレート 1枚 オプション
M2ねじ 4mm 8本
M2スペーサー 6mm 4本

trackball_module_main01

trackball_module_main02

2. Trackball Module

trackball_module_main03

Square part located at the center of Meishi PCB can be cut off and used as a trackball module. There are several ways to connect this module with main boards.

  1. Pin Headers & Pin Sockets
    5 pins need to be connected. Straight and L-angle types are available.

  2. Cables Cabling/wiring between pins of the module and the main board.

  3. SH Connectors SH horizontal connectors are also supported for the connection with external boards.