atm pinpad

Hello , Masters of Scam and profesionals from computer , my question is easy. I have a wifi (WPA2 password) so they are a central that control a lot of other machines that connect to this network and send cc data so I have some experience sniffing data over serial port , but i have never seen...

i am looking to buy atm pinpad schematics of the fallowing banks, will pay for the information, please pm me or update in this thread about the prices and details i am looking for complete information for making the keypads/pinpads 1.Wincor 2.NCR 3.Diebold