Engineering candidates, not production release. Main: H-MAIN-PCB-0.3; reader: RevH v0.2; current runtime: firmware v0.5.
Latest 2026-10-06 sample-approval specification corrects endpoint polarity: RAW_B/open/15.6kohm. This supersedes early RAW_A endpoint proposals.
Selected MPNs are an overlay and have not all been applied to native CAD. Original sample, full product firmware/App, physical qualification and supplier approval are outstanding.

Independent development using own tags/App/cloud. Public PETLIBRO references do not establish affiliation or interoperability. Start with sample-approval-v01.zip, then main-kicad-v03.zip, reader-kicad-v02.zip and firmware-c5-v05.zip. Blank prices are unquoted, not zero cost.
