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|Pin (LTR)||Voltage Reading||Purpose||Notes|
|0||+-0V||GND||Left charging cradle pad is also GND. Very useful test point.|
|1||+0.1V - +0.2V||???||Possibly a data pin? Voltage readings change each test.|
|2||+0.1V - +0.2V||???||Another possible data pin.|
|3||+-0V||???||Also likely to be a data pin. Possibly an input?|
|4||+2.8V||Vcc||Regulated voltage. Peak current is 300mA, stable at 200mA.|
None of the pins read a frequency..
Turning off the GamePad
Shorting pin 1 or 2 to Vcc triggers many, many failsafes and the GamePad should immediately turn off. You also might break it.