do do Card Reader is installed in the amusement machines, such as, game arcade, slot machine to replace the coin acceptor.
Just put the do do Card on the reader. Then, the reader will read the card information and deduct the value from do do Card(provided that the value is positive) in exchange for credit in game machine.
Install it on the game machine or slot machine for coin-in / coin dispense. In addition, it can record the amount of coin-in and the amount of coin dispense.
