https://wiki.geekworm.com/index.php?action=history&feed=atom&title=CommentStreams%3A591307c1d89325c385b1a737d5cb16e8CommentStreams:591307c1d89325c385b1a737d5cb16e8 - Revision history2026-06-05T12:40:32ZRevision history for this page on the wikiMediaWiki 1.43.8https://wiki.geekworm.com/index.php?title=CommentStreams:591307c1d89325c385b1a737d5cb16e8&diff=35721&oldid=prev87.166.101.4: Migrated comment #64372026-04-23T23:39:31Z<p>Migrated comment #6437</p>
<p><b>New page</b></p><div>Hey, i run into the following error when trying to read the fan speed:<br />
localadmin@raspberrypi:~/x735-script $ sudo python3 read_fan_speed.py <br />
[sudo] Passwort für localadmin: <br />
Traceback (most recent call last):<br />
File "/home/localadmin/x735-script/read_fan_speed.py", line 29, in <module><br />
GPIO.add_event_detect(TACH, GPIO.FALLING, fell)<br />
19:59, 26 May 2026 (CST)19:59, 26 May 2026 (CST)19:59, 26 May 2026 (CST)19:59, 26 May 2026 (CST)~^^^^^^^^^^^^^^^^^^^^^^^^^^<br />
RuntimeError: Failed to add edge detection<br />
<br />
<br />
Does anybody know what the problem is? <br />
I am running a Raspberry Pi 5 with 8 GM RAM and did the installation according to the guide above.<br />
<br />
localadmin@raspberrypi:~/x735-script $ lsb_release -a<br />
No LSB modules are available.<br />
Distributor ID: Debian<br />
Description: Debian GNU/Linux 13 (trixie)<br />
Release: 13<br />
Codename: trixie<!-- migrated from Comments; original IP: 87.166.101.4 --></div>87.166.101.4