Lightkeeper

Lightkeeper does four things with lights you have already paired: A Light Remote turns any remote, switch or dial into a controller for them. A light schedule switches them on and off at the times and on the days you choose. A circadian light or a Colour Curve Light moves them through the colours of the day, following your own sunrise and sunset or a curve you draw. A Room-sensing Light sets their brightness from a light sensor you own, or from how high the sun is. Light Remotes and schedules write and maintain the Homey Flows for you, so they need a Personal API Key. The other three need no key. Every device's values are Flow tags, and two Flow cards set a room from your Lightkeeper devices or ask whether it is dark enough. Everything runs on your Homey: no cloud, no telemetry. Designed and written with AI, verified on real hardware.

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Supported devices

Circadian light

Technology

LAN

Homey Bridge required

Colour Curve Light

Technology

LAN

Homey Bridge required

Light Remote

Technology

LAN

Homey Bridge required

Light schedule

Technology

LAN

Homey Bridge required

Room-sensing Light

Technology

LAN

Homey Bridge required

What’s new

Version 1.0.0 — Lightkeeper 1.0 is out of early access. From now on, an ordinary update keeps every device you have already set up working as you set it up. Anything that would need Repair, adding a device again or losing a setting you chose comes only as a new major version, with a note here. Nothing in this update needs redoing. Every brightness in Lightkeeper is now Homey's own number — 50% here is 50% in Homey — and the Brightness scale setting is gone. Devices you already set up were converted, so your lights look exactly as before. The choices for how a device controls your lights have clearer names: “Keep lights updated while they’re on” and “Keep lights updated, even while off”. Also fixed: the light test on the last setup screen now puts a light that was showing white back to white, instead of leaving it on a colour. It also waits for a light to finish switching on before putting it back, so a light that brings back an earlier setting as it comes on keeps its own colour temperature. Also fixed: removing a device could leave your other devices asking for a new Personal API Key. And Lightkeeper now removes only the Flows it can prove it created, never one you have added a condition to.

View changelog