More advanced addons

[JustinG]

Does the new Marketplace fit the bill?

Announcing the Community Marketplace

Dear openHAB community, I am thrilled to announce the official opening of the new Community Marketplace category on this forum, along with the related feature available from openHAB 3.2 Milestone 3. Apart from a more user-friendly “add-on store” experience for discovering and adding functionality to their openHAB system, add-on creators can now self-publish their work very easily by simply posting in the Marketplace category, and have it featured in the main UI. It replaces and extends the Ecl…

There’s even already exactly the washing machine example you postulated

Alert when Washing Machine Finished

[logo] This rule template will create a rule that monitors the power consumption of a washing machine (for example, with a smart plug that can report consumption), and send an alert command when it gets below a threshold, meaning it has finished. Configuration Parameter Type Description Power Item Item Item that holds the power (in watts) of the washing machine. Can be a quantity type (Number:Power). Threshold Decimal When the power measurement was at or above the threshold and cross…