They are pin for pin compatible with an teensyLC.
Buy the pre soldered pins on the LC put them on a small breadboard. (I wish these LS2 Level Shifter chips were available pre soldered) - solder this board and add it to another small board but jump between the two boards, connecting the pins. Set pin 12 high on the LC for Vin. Add a power supply for your three motors. I suggest using the three of the same motors. (Posted on 12/11/15)