Problem Statement: 

This home hack is made for my parents, who regularly leave the sliding door open in the kitchen so that our family’s cat can go outside. Our cat goes inside and outside repeatedly, and my parents often face the problem of not knowing whether the cat is inside before they leave the house and close the sliding door. They will often search the whole house for the cat or search the whole backyard in order to find the cat before they close the door.

Goal: 

My hack will use a switch to turn on the device, a motion detector to detect the cats movement, and an LED to indicate that motion has been detected. My parents will be able to then access the information online to see either "The cat is inside now" or "The cat is outside now" This will let them know if they are able to lock the back door, or if they need to go outside and bring the cat in. This will solve the problem of needing to look inside and outside for the cat, which is time consuming and frustrating