LCA2021 SwagBadge
Online linux.conf.au ESP32-era SwagBadge and DagBadge hardware programme
linux.conf.au 2021's Open Hardware Miniconf is represented by a source-backed SwagBadge and DagBadge programme: badges were built and mailed to delegates, then covered by official software, hardware, SAO, test-jig, firmware, and show-and-tell sessions.