I checked the output of the AC at the plug and it's 5.39V
It sounds like a poor regulation.
I would try to use a higher voltage adapter and allow the onboard regulator to regulator power to the chip / peripherals.
I checked the output of the AC at the plug and it's 5.39V
It sounds like a poor regulation.
I would try to use a higher voltage adapter and allow the onboard regulator to regulator power to the chip / peripherals.