On 6/23/06, William Chops Westfield wrote: > Does anyone know what the pinout of an IBM laptop "tackpoint" > (aka "force stick", aka "pointing stick") module looks like? > I came across a moderate quantity of "broken" laptop keyboards > (missing keys, etc), for which the apparent remedy is "discard > and replace") I'd like to be able to use them ... elsewhere. > I was assuming the moderately extensive electronics would provide > a mouse-like interface, but the (flex) connector has 10 wires > (two are obviously power, so that's a start.) 10 wires is too > many for a standard mouse interface, although from some controller > chip docs I've found, they could be things like button inputs... > > Thanks > Bill W General description: http://wwwcssrv.almaden.ibm.com/trackpoint/download.html Circuit diagram (find the datasheet for the controller your keyboard uses): www.ortodoxism.ro/datasheets/philips/TPM754A.pdf Regards, Mark markrages@gmail -- You think that it is a secret, but it never has been one. - fortune cookie -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist