Gray Domestic Cat Looking at Cloudy Weather Outside the Window, Lying on a Shelf. Side view. Daylight. Bored fluffy cat looks at nature. Balcony. Blurred background. Reflection. Windy autumn weather.

But sometimes, the simplest solutions are the best. Take this simple stepper-powered cat door lock. For [Jason Winfield], the essential problem with his outdoor cat’s late-night demands for ...