STEP 12: INSTALL I/O BOARD
https://youtu.be/blmTi7bXP-Q
(2) M3 x 6mm Pan Head Black Oxide Screw (Bag 1)
STEP 13: INSTALL OUTPUT BOARD
https://youtu.be/G8QNOahc76Q
(4) M3 x 24mm Female Brass Standoff (green) (Bag 3)
(4) M3 x 6mm Narrow Pan Head Black Oxide Screw (pink) (Bag 1)
(4) M3 x 6mm Pan Head Black Oxide Screw (green) (Bag 1)
(1) 50mm 16-Position Ribbon Cable (Bag 8)
(1) 50mm 20-Position Ribbon Cable (Bag 8)