Installing and configuring operating systems on single-board computers can be painful when there is no nearby ethernet connection available. A pocket-router that provides wired internet access over an existing wireless network can help here.
I just posted an article where I discuss why I decided to build one myself using #openwrt and describe the particular steps conducted. Moreover, I also present measures regarding performance and power consumption.
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.