When you’re intrigued by the prospect of constructing a DIY router, Seeed Studio has a board that is simply ready to place a Raspberry Pi Computing Module 4 (CM4) to work. Assuming, after all, that yow will discover the Pi module.
Seeed’s CM4 Router Board provides two full-speed gigabit community ports, two USB 2.0 ports, a microSD slot, an HDMI out, a GPIO interface for Raspberry Pi HAT add-ons, and a 0.91-inch OLED show to your Pi CM4. Having the CM4 on the system’s core provides you 32 completely different choices for RAM, storage, and wi-fi capabilities in your homebrew router. The Router Board comes with OpenWRT put in, nevertheless it may run Ubuntu, Raspberry OS, or every other Pi-friendly system.
Seeed notes that past DIY routers, the CM4 Router Board may additionally change into a gateway, mini-NAS, wi-fi community bridge, or mini-server. You should buy a Pi CM4 with wi-fi capabilities, however you will doubtless want (or want) a separate Wi-Fi setup connected to your DIY router.
Why not simply plug a USB-to-Ethernet adapter into the Pi you have already got? Seeed says its board’s RTL8111E controller chip “affords higher efficiency, decrease CPU utilization, and better stability for a very long time work [sic] in contrast with a USB community card.”
These trying to find a Raspberry Pi CM4 board would possibly think about Ars commenter MightyPez’s advice to control Pi inventory monitor Rpilocator, which affords RSS feeds. You possibly can even arrange push notifications with Rpilocator’s official Python script.