Keyboard Builders’ Digest / Initiatives
TrackPoint78 keyboard
ChnMasterOG launched the TrackPoint78, a three-mode wi-fi keyboard with built-in trackpoint.
KBD.information
Revealed September 21, 2025
The 75% TP78 or TrackPoint78 is a three-mode wi-fi mechanical keyboard mission by ChnMasterOG aka seriscyberalchemist. The keyboard encompasses a trackpoint and touchbar, and might be prolonged with modules by way of magnetic connectors.
[The TP78] was designed as an fanatic keyboard to satisfy 4 basic wants: trackpoint, portability, wi-fi, customizable shortcut keys – ChnMasterOG.
By the way in which, that is already the third model of the sequence: the TP78v1 was pushed by a CH582M controller unit, the TP78v2 makes use of Hi2821 because the MCU, and V3 sports activities a BS21E chip – supporting 8K polling charge wired.
TP78 V2
The trackpoint’s placement has been up to date too: V1 used an IBM-style pointing stick positioned between the G/H/B keycaps, mixed with low-pro switches for the mouse keys.
Then sooner or later, I caught myself staring on the spacebar: I by no means really press the center half, do I? So I wrote a script to trace thumb positions whereas typing. Certain sufficient, the center part was nearly by no means touched. What if… I break up the spacebar and put the TrackPoint proper within the center? – ChnMasterOG.
So V2 moved the trackpoint in between the break up house keys, aided by a contact delicate strip. Lastly, with the newest model (V3), the writer has ditched 3D printing and opted for a CNC machined aluminum case.
Options
- 75% structure, 78 keys
- MX switches, hotswap
- Hi2821 MCU
- YDX-C09 trackpoint
- OLED
- USB hub
- per-key RGB
- magnetic connectors for extension
- VIA
Assets
Revealed on Solar twenty first Sep 2025. Featured in KBD #199 (supply).
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