From 0f7a51cef58151ebf133a078649dd583b25a94a4 Mon Sep 17 00:00:00 2001 From: Priyadi Iman Nurcahyo Date: Sun, 2 Apr 2017 22:13:05 +0700 Subject: [PATCH] Add information about trackpoint --- Modding-your-keyboard.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Modding-your-keyboard.md b/Modding-your-keyboard.md index 3599b3c..43cc819 100644 --- a/Modding-your-keyboard.md +++ b/Modding-your-keyboard.md @@ -102,6 +102,8 @@ Please note the USB port can only supply a limited amount of power to the keyboa Its possible to hook up a PS/2 mouse (for example touchpads or trackpoints) to your keyboard as a composite device. +To hook up a Trackpoint, you need to obtain a Trackpoint module (i.e. harvest from a Thinkpad keyboard), identify the function of each pin of the module, and make the necessary circuitry between controller and Trackpoint module. For more information, please refer to [Trackpoint Hardware](https://deskthority.net/wiki/TrackPoint_Hardware) page on Deskthority Wiki. + There are three available modes for hooking up PS/2 devices: USART (best), interrupts (better) or busywait (not recommended). ### Busywait version