Locate the bumper labeled pins on the opposite side of the gamepad PCB. Referencing the photo, from the bottom up, the order of pins are: '''L button''', '''R button''', '''Ground''', '''Ground'''. Once you're familiar with the pin order, solder in the wires from the 12mm tactile buttons. | Locate the bumper labeled pins on the opposite side of the gamepad PCB. Referencing the photo, from the bottom up, the order of pins are: '''L button''', '''R button''', '''Ground''', '''Ground'''. Once you're familiar with the pin order, solder in the wires from the 12mm tactile buttons. |