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3.53V on input, 2.61V on the output.
There’s your problem! The BLE chip isn’t getting enough voltage, likely because you’re overloading the port with that device requiring more current than the NES port can supply…
I don’t know enough about the NES to walk you through how to mod it to increase the available current, and I’m unfortunately not seeing any immediately available guides on the problem your facing but your two options would be to see if there’s some current limiting inside the NES for those ports (and risk full device brownouts, overloading, damage to power further upstream) or isolate the existing power rail and essentially replace it with the USB power adapter… Or just use the external power adapter…
From what I got, the SNES, N64 & GameCube controller ports are outputing 3.3V directly, not 5V.
Doing a quick google, this excerpt about the GameCube is enlightening:
There are two power rails on the connector, a 3.43V supply that is probably used for the logic, and a 5V supply that appears to be used to power the rumble motor (and perhaps logic also).
I’m willing to bet the 5V for the rumble is what is being used to power that module as it had significantly higher current capacity and would explain why it works on that device but not the NES.
You mean far-right groups like Israeli officials = Zionists = genocidal terrorists?