Start with the source.

Build a client with KM43, use the equipment dataset in your own tools, or inspect the controller boards. Each repository includes its source and licence.

origin89hq on GitHub

Public repositories

KM43

Protocol

How a controller talks to its clients, across UART, USB, BLE and the network.

A no_std Rust crate, TypeScript bindings and test vectors alongside the draft specification.

Rust crate Test vectors Documentation

Repository: origin89hq/km43
Formats: Rust / TypeScript
Licence: Code: MIT OR Apache-2.0

Equipment data

Dataset

Equipment specifications and register maps, with sources you can check.

Models, ratings and protocol dialects for batteries, inverters, charge controllers and more.

Browse the data Download index Source records

Repository: origin89hq/data
Formats: Parquet / CSV / JSON
Licence: MIT

Controller hardware

Electronics and CAD

Editable files for the controller board, the separate generator board and the enclosure.

EasyEDA projects, Gerbers, bills of materials and FreeCAD enclosure source. The boards are prototypes still in validation.

Controller board Generator board Enclosure

Repository: origin89hq/hardware
Formats: EasyEDA / FreeCAD
Licence: Designs: CERN-OHL-W-2.0

Documentation and design

Technical documentation

Protocol decisions, controller architecture and hardware reasoning.

Design guide

Colour tokens, type, plate buttons, reading states and brand downloads.

Component library

Try the React components and their loading, error and mobile states.

Brand source

Versioned logos, fonts, colour tokens and Buddy artwork.

Bring a model, a fix or a question.

A register map from a manufacturer’s manual, a reproducible protocol bug or a board review gives us something concrete to work with. Start in the relevant repository and include the source or steps to reproduce it.

KM43 contribution guide