Trying to get PWM signal to an arduino

[tractorguy]

I have a pixhawk 4 connected to a PM07. The M1 pin of the PM07 is connected to an Arduino pin. Until recently, I was able to get PWM signal from the pixhawk to the arduino. In QGroundControl I set up SERVO1_FUNCTION as RCIN1 and used a joystick to control the RCIN1 which would be read by the arduino. I was adjusting some settings in QGC (BRD_SAFETYENABLE, FS_THR_ENABLE, etc.) and then the arduino suddenly stopped receiving PWM signal. I reverted the settings but I was still not getting anything. I tried using another pixhawk, another PM07, changing the cables, changing the arduino, deleting and redownloading QGC and updating the firmware. No luck. Does anyone have any helpful hints as to what’s going wrong? Btw, I need the arduino for something else connected to the project which reacts to the PWM signal. If there is any other information I should provide please let me know it’s my first time posting.