cheap cherry numberpads

[RougeR]

will work with din5>ps/2 passive i think...
http://www.ebay.com/itm/Vintage-Genovation-5440-Custom-Numeric-Keypad-DB-9-/370671834088?pt=PCA_Mice_Trackballs&hash=item564dc353e8

NIB but needs convertor (serial
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=360608391647&fromMakeTrack=true&ssPageName=VIP:watchlink:top:en#ht_2033wt_1397


most of the genovations are cheap and cherry and doubleshots from the looks, but need converting for a lot of them.
http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_nkw=genovation&_pgn=2&_skc=50&rt=nc

[Mugen]

Is there any guide on how to create the converter?

[RougeR]

emmm not that ive seen, i would assume a teensy then solder in a USB cable, shouldnt be too too bad, but its really not my area of expertise