i have my own custom designed logger, the data can be downloaded from bluetooth, its collects data from swipes and pin entry with time stamp, and my logger is not 8 wires, its membrane, i have designed it for 3070 and sc5000, and also i have mouth piece for 3070 (the lip) i prefer not to sell, and im working on the frequency logger which no need of head anymore
sorry bro i cant sell u gerber files or layouts, i have my manufactuaring to produce, but if u guys wants me to design the custom , i can do for you and show you one sample , i personally dont like to sell gerber files but i can think about it in future .. i cant sell the current chip gerber that i have, cuz still that making me money so , if u want new chip to design i can design and sell u or if u want to buy the current chip that im using also i can sell for u , i have designed bluetooth chip, bluetooth built in chip, wireless such as xbee or RF , GSM .. but i personally like bluetooth chip more control and its work amazing