This is very serious project
I need a device goes inside a POS(gas pump).It has to store all info of magstrip and get [url removed, login to view] it encrpts,also date ,time .Also comes with a password protection or wirles depends on price .
REQUIREment :: can log all data you want haves realtime CLock. Dataflash storage. Bluetooth communication or wireless communication or RF has to have the rage of 1km. laptop software to upload your card transaction wihtout open again the pos device. also record all PIN in POS. any transaction logged in the poS will be with time stamp