This is a little security measure you get with Internet Banking with the Co-Op, generates codes to confirm your identity using your bank card. About the size of a pocket calculator, this is the keypad & screen.
The rear of the unit, the card slots into the top, manufactured by Gemalto Digital Security.
Outer back cover removed, showing the 8 contacts for the chip on the bank card, the 2 contacts below that switch on power when a card is inserted. Power comes from 2 lithium coin cells in the compartment on the lower left.
PCB removed from the casing, showing the internal components. Two large pads at top left are battery connections, while the only IC on the board is the main CPU, under the card connector. 6MHz oscillator & 32Khz crystal on board for processing & timekeeping. LCD screen connection at far right.
Reverse side of the PCB, with the keypad contacts. LCD on right, with programming interface pads at side of keypad.
Why don’t they make these things more popular and for other uses e.g. referendums where i put in a government approved chip ID (maybe a replacement for driving licence) type in my pin and vote creating an instant verified vote across the country?