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I inverted 2 GPIO pins. Is pi4 dead?

I think you mean "shorted" and not inverted. And yes, this is fatal for the PMIC (power management IC). Your Pi is dead.
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2 votes

I am trying to make a camera turn on and off with the press of a button, but the GPIO ports are not working, and it is not acknowledging the button

You need to setup GPIO24 as output at the start of your code: GPIO.setup(24, GPIO.OUT)
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1 vote

How to create a data signal using pwm from a gpio output?

Choose a GPIO library. See https://elinux.org/RPi_GPIO_Code_Samples Write the code.
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1 vote

GPIO only outputs 1.8V when using Bluedot

You state "the GPIO pins suddenly output 1.8V" - this is IMPOSSIBLE (unless the GPIO is grossly overloaded). For a lightly loaded circuit the GPIO output will be >2.5V or <0.8V. It is ...
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