I need to set my clock within 1 second of "real" time as posted on time.is and similar sources. This is required by my digital radio application. The built-in NTP synchronization (Pi 3A+ with current OS) will usually provide this but not always. So when it doesn't, I would like to manually set the t...

I attempted to get the system to default to my USB audio device. Unfortunately, I used guidance that predated Buster that apparently is no longer valid. Specifically, I followed these steps: sudo nano /usr/share/alsa/alsa.conf Scrolled and found the following two lines: defaults.ctl.card 0 defaults....

Some folks including myself have gotten frustrated when trying to do a headless set-up of their PI by inserting the blank SSH file and the wpa_supplicant.conf file into the boot folder. For example see: https://www.raspberrypi.org/forums/viewtopic.php?t=230604 After a lot of trial and error, this us...