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Here is the display I got from PJRC:

Probing the board with my multi-meter, it looks like the board was designed to interface with a 5V logic board and the resistors R1, R2, & R3 are voltage drop current limit resistor that let SD card work with 5V logic boards (with an off board pull-up resistor). So, I am guessing the only...

Looks like all the above post are for older versions of the display than what I got. I got V1.2 so what, if any, modifications do I need to make to let the SD card work with a Teensy 3.1 (I happen to have 3 laying around)?