Reading change in analog signal with digital GPIO

[/RaspberryPi]

I have an analog joystick like this that I need to read with my Raspberry Pi 3B, unfortunately I don't have access to an ADC chip right now, and I can't wait for delivery. I don't need any precision, only to know whether the joystick is in its base position or if it has moved, which will be assigned to a boolean.

Is there a way to do this with RPi's digital pins?
submitted by /u/ARM_over_x86
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Source: https://www.reddit.com/r/raspberry_pi/c ... ital_gpio/