“Have you wanted lately to make an intruder alarm or other things that require a remote measuring system? In this Instructable I will show you how to make an easily customizable Ultrasonic Measuring Device, using the HC-Sr04 and Arduino. Once completed, you will be able to get accurate distances of objects, which can be used for a range of different projects, including a few listed at the end of this Instructable. So let’s get started!”