Hassalarm

Hassalarm

Overview

• Hassalarm is a specialized integration designed to bridge the gap between mobile alarm clocks and your Home Assistant (Hass.io) ecosystem.

• By capturing alarm data directly from your smartphone, it allows your smart home to synchronize its automation triggers with your personal wake-up schedule.

Core Functionality

1. Real-time Synchronization:

• The integration continuously listens for updates emitted by the alarm clock applications on your connected devices.

2. Dynamic Scheduling:

• It automatically updates specific Home Assistant entities, such as input_datetime.next_alarm, ensuring that your home environment is aware of exactly when your next alarm is set to trigger.

3. Custom Entity Support:

• While it defaults to standard alarm entities, users have the flexibility to configure the integration to track custom entity IDs, providing versatility for complex automation setups.

4. Automation Enablement:

• Once the next alarm time is exposed to Home Assistant, you can create sophisticated automations.

• For example, you can trigger gradual lighting, climate control adjustments, or morning routines to coincide perfectly with your wake-up time.

Technical Resources

1. Open Source Architecture:

• The project is maintained as an open-source initiative, welcoming community contributions and transparency in its code structure.

2. Documentation and Installation:

• For detailed installation guides, configuration parameters, and the latest technical documentation, users should visit the official repository hosted on GitHub.

3. Reference:

• You can access the source code, report issues, or view recent updates by visiting the following link: https://github.com/Johboh/hassalarm.

Home Automation Made Simple

• By integrating Hassalarm, you transform a standard mobile alarm into a central node for your home automation system, ensuring your living space is ready the moment you wake up.

FAQ

Q: Which default entities in Home Assistant does Hassalarm update?

A: By default, Hassalarm automatically updates the standard input_datetime.next_alarm entity in Home Assistant. This ensures that your system always has a clear and accurate record of exactly when your next wake-up call is scheduled to trigger.

Q: Can I configure Hassalarm to track custom entity IDs instead of the default ones?

A: Yes, you absolutely can. While the integration defaults to the standard setup, it provides the flexibility to configure and track custom entity IDs, which is incredibly useful if you have a complex automation environment or multiple users to manage.

Q: What are some practical examples of wake-up automations I can create with this integration?

A: Once Hassalarm shares your wake-up time with Home Assistant, you can create wonderful morning routines. For instance, you can set your bedroom lights to slowly brighten like a sunrise, adjust your thermostat to warm up the house, or trigger your smart coffee maker to start brewing just as your alarm goes off.

Version History

v1.36——27 Jul 2026

Update Home Assistant (Hass.io) sensor based on next scheduled alarm Download the latest version of Hassalarm to enjoy new features and updates immediately!

*1.36

Add Signal App to list of queries

*1.35

Add sanity job for periodically checking for alarms to publish

*1.34

Set correct theming and fix dark mode