PJLinker

Source code / repository

https://codeberg.org/gllm/gd-pjlink/

What it does

- Controls PJLink-compatible projectors from a desktop app and embedded web UI

- Manages multiple projectors with batch power and AV mute commands

- Shows live status, errors, and lamp hours with color-coded indicators

- Serves a responsive LAN web remote—no installs needed on phones/tablets

Who it is for

- AV teams in auditoriums, classrooms, meeting rooms, and houses of worship

- Facilities staff who need quick LAN-wide projector control and monitoring

- Integrators who want a lightweight, self-hosted PJLink endpoint

Key capabilities

- Network discovery to find projectors on your subnet

- Power, AV mute, input switching, and status polling (PJLink Class 1)

- REST API for automations and third-party dashboards

- Configurable poll interval, HTTP port, and web interface enablement

 Safety notes

- Web UI is LAN-only by default; avoid exposing it to the public internet

- Use trusted networks and secure any forwarded ports with care