JustBoom Standalone DAC and Amp Case - Red [discontinued] _RPI_DISPLAY_PAPER The pinout for the UART

The pinout for the UART interface is plug-and-play compatible with the Adafruit FTDI Friend

For example:

Breakout board details:

Wikipedia has a great article on magnetic stripe cards which will help you determine if you need a three-track reader or if a two-track reader is good enough

JustBoom Standalone DAC and Amp Case - Red [discontinued] _RPI_DISPLAY_PAPER The pinout for the UARTThe JustBoom Standalone DAC and Amp Case is a stylish and durable enclosure for the standalone JustBoom Standalone DAC and JustBoom Standalone Amp Board. You can have either one or both of the boards in the case at the same time. Removing or installing the DAC or Amp boards is quick and simple; all without the need for tools. The two piece case is incredibly easy and straight forward to use. This is currently the only case to perfectly accommodate the