In an earlier post I wrote about my attempt to take out a Synaptics Touchpad form a laptop and connect it to my computer's PS/2 plug.
The Synaptics Touchpad pinout seems to be different for each model, so be careful not to fry the circuit! Triple check every pin and connection before you power this up. Also remember that the touchpad is not plug and play: you need to connect it to your computer before powering it on.
I have used a Synaptics T1006 0544 touchpad.
The pinouts for the PS/2 keyboard connector and the Synaptics T1006 0544 touchpad can be viewed in the schematic below.
You can observe in the schematic that I only connected the communication pins (Vcc, Ground, Clock, Data).
The pins Left Click, Right Click, Scroll Left, Scroll Right, Scroll Up, Scroll Down can be linked to external buttons (I haven't done that because the Synaptics software allows default scrolling and normal tapping).
For the right mouse button you can define a corner of the touchpad that when tapped will trigger the right mouse click action.
Good luck!
I'm planning to do the same with a spare touchpad that I've got, but mine is a t1006 0531 model from an Acer laptop.
ReplyDeleteAny posibilities that the pin out for both touchpads would be the same?
Well, it might work. Unfortunately synaptics haven't published the schematics.
ReplyDeleteTake a look at the second post too: Synaptics Touchpad on my desktop, maybe the pictures will help you.
Word of advice: triple check the connections before powering (plugin in) the device, because I damaged a touchpad when wiring it the wrong way. If the chip heats, remove the power immediately.
I did this with a T1006 0504. I know I'm commenting late on this but I spent years hunting the pinouts down to find nothing. So using a pdf from Synaptics, your guide here, and a little deducing I got it wired up to a PS2 cable and got it right first time around. This pad seems to be P&P because the Pc recognized it right away. I still need the software to get the right click to work. OIr I may just hook external buttons to it since I now know which ones they are. I took a wild ass guess on the DATA and CLK but it paid off. GND and VSS were easy to find. Multimeter really helped after I removed the original plugs from it. Thought I'd share my PS2 Touchpad misadventure. If you want to know more about this just send me an email: [email protected]
ReplyDeletetm00396001
DeleteI have this please help me
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DeleteI have this please help me
Congratulations, It's awesome that you accomplished that! Data/CLK logical signals, I don't think they'd burn the touchpad if reversed, but you never know :).
ReplyDeleteYou can install the Synaptics driver for windows and in control panel -> mouse, you should find the Hot Corner settings for the right click, or maybe even gestures and multitouch settings.
The concept of touchpad and keyboards together is relatively new but touchpads have been around for a long time as the traditional navigation device for notebooks and laptop computers. Best Gaming Laptops Under 300 Dollars 2019
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