Hi all
I've been trying to figure out a way to use a recent model (e.g. T480) touchpad externally by USB.
I've seen a few hackaday and instructables posts showing some older touchpads are PS/2, and can be converted to USB with some rewiring.
Does anyone have any experience, or know where I could find a technical manual for a recent model touchpad?
I've been thinking of integrating one into a frankenpad (e.g. my beloved X61s) or rigging up a secondary thin/tall touchpad just for scrolling on the right side of the keyboard on my T480s.
Any help or advice would be greatly appreciated? Thanks in advance
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External USB Trackpad/Touchpad (idea)
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- Senior Member
- Posts: 745
- Joined: Fri Sep 21, 2007 11:37 pm
- Location: Downtown Toronto, Canada
External USB Trackpad/Touchpad (idea)
ThinkPad P14sgen2 (2021)
i7-1185G7 | 32+8GB RAM | 1TB Samsung 980 Pro (PCIe 3.0 speed) | UHD upgrade | Glass Touchpad | Intel AX210
The X61 is dead... long live the X61
Past IBM ThinkPads: T480s, T450s, X250, X230, X220, X300, T410, X61s, T60p, T41, X31, T23, A21m
i7-1185G7 | 32+8GB RAM | 1TB Samsung 980 Pro (PCIe 3.0 speed) | UHD upgrade | Glass Touchpad | Intel AX210
The X61 is dead... long live the X61
Past IBM ThinkPads: T480s, T450s, X250, X230, X220, X300, T410, X61s, T60p, T41, X31, T23, A21m
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- Senior ThinkPadder
- Posts: 3794
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: External USB Trackpad/Touchpad (idea)
Anything later than the xx40 might be awkward to use, as the trackpoint buttons are part of the toucpad module.
While I've yet to play with touchpads, I've done a bit of research a while back. Regarding Regarding USB conversion, a normal USB to PS/2 converter can be used, or you can get fancy with micro-controller boards like the Teensy or some Arduino clones.
As for the pinout, it helps to get an actual touchpad and start googling for the part numbers silkscreened on the circuit board itself. Others have done this sort of thing before and some may have used the same touchpad that you have in your possession.
Regarding the X61, fellow forum member Vavet made a touchpad mod a while back.
While I've yet to play with touchpads, I've done a bit of research a while back. Regarding Regarding USB conversion, a normal USB to PS/2 converter can be used, or you can get fancy with micro-controller boards like the Teensy or some Arduino clones.
As for the pinout, it helps to get an actual touchpad and start googling for the part numbers silkscreened on the circuit board itself. Others have done this sort of thing before and some may have used the same touchpad that you have in your possession.
Regarding the X61, fellow forum member Vavet made a touchpad mod a while back.
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
-
- Senior Member
- Posts: 745
- Joined: Fri Sep 21, 2007 11:37 pm
- Location: Downtown Toronto, Canada
Re: External USB Trackpad/Touchpad (idea)
many thanks!
ThinkPad P14sgen2 (2021)
i7-1185G7 | 32+8GB RAM | 1TB Samsung 980 Pro (PCIe 3.0 speed) | UHD upgrade | Glass Touchpad | Intel AX210
The X61 is dead... long live the X61
Past IBM ThinkPads: T480s, T450s, X250, X230, X220, X300, T410, X61s, T60p, T41, X31, T23, A21m
i7-1185G7 | 32+8GB RAM | 1TB Samsung 980 Pro (PCIe 3.0 speed) | UHD upgrade | Glass Touchpad | Intel AX210
The X61 is dead... long live the X61
Past IBM ThinkPads: T480s, T450s, X250, X230, X220, X300, T410, X61s, T60p, T41, X31, T23, A21m
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