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Home Assistant Calendar Trigger Offset: Before and After an Event
A signed Home Assistant calendar trigger offset fires before or after the event start or end. See a complete YAML automation and how to test the trigger itself.
Home Assistant Notification Tag: Replace an Alert Instead of Stacking It
Send the same tag in the nested data block and each Companion app update replaces the previous alert. Includes action-only YAML, group and channel differences, and the iOS and clearing limits.
Home Assistant Template Sensor Unavailable: Check the Source First
Trace an unavailable template sensor from its source entity through the availability and state templates, the loaded configuration, and update timing, with an illustrative guarded example.
Home Assistant Input Boolean Restore State: Keep or Reset a Toggle
Home Assistant input boolean restore state explained: a toggle helper keeps its last value by default, Turn on or Turn off pins the next startup, and the timer restore option does not apply.
Home Assistant Schedule Helper: Turn Weekly Blocks Into Actions
Create a weekly Schedule helper, draw its blocks, and make an automation respond to touching and overnight blocks with the right trigger.
Home Assistant Sun Offset: Before or After Sunrise and Sunset
How Home Assistant sun offsets work: negative fires before sunrise or sunset, positive after. Check location, time zone, UTC attributes, and the elevation alternative.
Home Assistant Timer Restore: Keep Countdowns Through Restarts
Enable Restore on a Home Assistant timer helper, add restore: true in YAML, and see why an automation may miss a timer that expires while Home Assistant is off.
Home Assistant Choose vs If: One Branch or Every Matching Check?
Compare a single Choose block with two separate If actions in Home Assistant, using notification-only YAML examples and a four-row expected-output table.
Home Assistant HomeKit Not Working? Separate Pairing from No Response
Separate missing bridges, failed pairing and unresponsive accessories. Check the entity, local network and bridge configuration before resetting HomeKit.