Use Home Assistant to Send a Notification at a Specific Interval When the Door is Left Open

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This blog post builds on my last post about the Wemos D1 Mini Garage Door Controller.

Sending a notification via Home Assistant is a simple process, and it is mostly well documented. However, I had trouble finding a solution that repeatedly sends a notification about a device state until that state changes. In this case, I wanted something to notify me when my garage door is open for a while, and then continue sending me notifications every 30 minutes until it’s closed.

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Wifi Garage Door Controller using a Wemos D1 Mini

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I decided I wanted to be able to control my garage door using my phone. After some research, I decided to use an ESP8266 based Wemos D1 Mini and Home Assistant.

Here are the parts that will be needed:

Software Requirements:

I’m going to assume that Home Assistant, MQTT, and Arduino IDE are all setup. There are plenty of guides out there on how to set those up. If anyone reading this does need help with any of that, feel free to post a comment.

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