Experienced Pi-eaters will see that there’s no room for a HAT. Once we’ve confirmed that it’s working without issue, we can drop the Touchscreen Pi into its case. Once our Touchscreen Pi has rebooted, it should be ready to play some music. Suddenly removing the power cables and reinserting them can corrupt the microSD card. Hot tip: always use the software to reboot or shut down the Touchscreen Pi. ‘Commit Changes’ again and reboot when asked. Now plug that exact same name, observing any case changes, into the RoPieee web interface’s ‘Display’ tab. In Roon, set up the Touchscreen Pi as an endpoint (Settings > Audio) and give it a name. Next, we need to tell RoPieee which Roon endpoint it is controlling. I went on the hunt for Pi 4 cases without fans but where a back panel could be left off to leave the Pi’s backside exposed to the elements: Who wants a cooling fan whirring away in their hi-fi rack? Not me. As the Pi 4B runs hotter than the 3B, it’s important we consider cooling but without introducing a fan. The port layout on the Pi 4B differs from the 3B so remember to buy the right one for your device. This cost me €15 but your mileage may vary. Lastly, we’ll need a display case to wrap everything in and to help the Touchscreen Pi stand upright on a table, sideboard or hifi rack. RoPieee developer Harry ten Berge has stated on the Roon forum that he has no plans to broaden touchscreen support beyond that of the Raspberry Pi Foundation’s own 7″ model: Anything else is beyond the remit of this article and beyond my ken. Software compatibility issues mean third-party options need not apply. We also need the official 7″ Raspberry Pi touchscreen (€99). At the time of writing, however, the Raspberry Pi is in extremely short supply and might be difficult – or more costly – to source through the usual channels: I also went with a Pi 4 because I had a spare knocking about. I went with a Pi 4 (4GB variant) because the Pi 4 is a more reliable USB audio source than the Pi 3 whose USB and Ethernet data share the same bus. Are you sitting comfortably? Then we’ll begin… And as we will see, RoPieee also allows us to add a 7″ touchscreen to the mix – with full Roon playback control – for very little effort. This first feature hones in on the RoPieee operating system, a turn-key solution for putting bit-perfect Roon playback on a Raspberry Pi. This year, I’ll be looking at some different touchscreen configurations. In the past, I’ve looked at how we can use a Pi to stream Roon, Spotify Connect, Squeezebox and Tidal Connect. Each year I take on a fresh Raspberry Pi-based audio streaming assignment.
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