Hacking Xbox controller
Chips to remove:
U4 - TCA6416RTWR - (the only large ic on the power board)
This chip handles IO Expansion for all the buttons.
Test points to tap:
// ON THE POWER BOARD
13 - 5v from the USB
19 - LB
20 - RB
21 - A
22 - X
23 - Y
28 - LED through Q3
39 ...
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