I also used a cheap wifi motion sensor to tie into Home Assistant which triggers another automation for a smart bulb in my office to let me know when the dog wants in from the garage.
A former colleague of mine had an even more advanced version of this. Since his dog is chipped, and the chip is RFID, he hooked up an RFID reader to an Arduino, and built a dog door with a motor that automatically opens when his, and only his, dog is there, and sends him a notification.
A former colleague of mine had an even more advanced version of this. Since his dog is chipped, and the chip is RFID, he hooked up an RFID reader to an Arduino, and built a dog door with a motor that automatically opens when his, and only his, dog is there, and sends him a notification.