Rising edge interrupt triggering multiple times on STM32 Nucleo

Question

I am using the STM32 NUCLEO-F401RE microcontroller board.

I have a speaker programmed to change frequency by a set amount when the joystick is pushed up/down. My issue is

Answer 1

Simple do not use EXTI for mechanical yousticks and buttons.

Use regular interrupt (for example systick) to poll the status of the pins.