Over the last few years with the raspberry pi people selling their inventory to enterprise customers instead of the hobbyists that have using them for 10+(?) Years ive found that x86 thin clients are actually a much better option in terms of price and upgradability. Most modern thin clients (wyse, HP, etc) have m.2 storage expansion, sodimm sockets, and sometimes even pcie expansion. If you get lucky you can get a decent current-ish gen thin client for ~100$ depending on the specs. What are pi 4s going for these days?

I have two in use right now, one with RetroPi connected to a small tube TV in my living room (did you know that the headphone jack on the pi can also output composite video!?, I didn’t until recently).

The other I have setup on a bookshelf as a model PDP-11 (from the great PiDP-11 kit). It’s mostly just some pretty lights to look at, but it’s also a functional PDP-11 simulator. Theoretically it could also run pihole, but my router has openwrt which has the same capability.

I run retropie on mine

I mostly use my 3B+ as a development and sysadmin sandbox. Lately I’ve been using it to test out a few IoT-type projects.

I’d love to get my hands on a Pi Zero W at some point, but chip shortage.

pihole is basically it at this point. Got eonugh spare machines sitting around to do the rest anyway

After my NAS suddenly stopped booting, I bought a cheap USB hard drive enclosure, plugged it into the Pi and now my Pi is a poor man’s NAS.

One for pihole. One for Home Assistant. One for an office dashboard.

One as a NAS storage for my security camera.

Another one as a media server running docker with Plex, Emby, Arr’s, File server. Portainer to mange and Watchtower to automatically update the containers. And finally Pi hole.

It’s actually amazing the stuff it can pull off for a device of such small form factor

I have one running pihole and another as my main emulator platform.

One runs a Bitcoin Lightning node and the other runs Octoprint for my 3D printer. I’ve thought about setting one up for pihole but adblock does such a good job for every site I visit I haven’t really bothered.

I bought one a while ago and had a delightful time setting it up, and then I put it away and haven’t used it since…I already have a NAS and home media server that I can host things on. But I’m glad to have it on hand, since I hope to be working on some software where it would be useful to test that it compiles and runs on a rpi sometime in the future.

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I haven’t been lucky enough to secure an actual pi so I’ve been playing with a few different rock chip boards. I have a libre renegade doing pi hole duty. Then I have an orange pi 5b on retro game duty. And I just got an odroid m1 that will be an android tv box / dvr when I get around to it.

DLNA music server, mostly for access to our old CD collection.

One for running AdGuard Home and another for running various bits including hosting a backup drive over SMB, running Vaultwarden, and doing monitoring of the rest of my home lab stuff.