CommentStreams:591307c1d89325c385b1a737d5cb16e8

Hey, i run into the following error when trying to read the fan speed: localadmin@raspberrypi:~/x735-script $ sudo python3 read_fan_speed.py [sudo] Passwort für localadmin: Traceback (most recent call last):

 File "/home/localadmin/x735-script/read_fan_speed.py", line 29, in <module>
   GPIO.add_event_detect(TACH, GPIO.FALLING, fell)
   19:59, 26 May 2026 (CST)19:59, 26 May 2026 (CST)19:59, 26 May 2026 (CST)19:59, 26 May 2026 (CST)~^^^^^^^^^^^^^^^^^^^^^^^^^^

RuntimeError: Failed to add edge detection

Does anybody know what the problem is? I am running a Raspberry Pi 5 with 8 GM RAM and did the installation according to the guide above.

localadmin@raspberrypi:~/x735-script $ lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 13 (trixie) Release: 13 Codename: trixie