This inclinometer is designed to be used with a Micro:bit V2 to allow you to measure angles by sighting through the tube. Pressing the button marked SET, will store the angle at the button push, pressing the READ button will scroll the set angle on the LED's, and pressing both button scrolls the highest angle the device recorded, in case you miss the button push. You can download the Micro:bit code here: https://makecode.microbit.org/_DhuWY5UFJM8P

To see how it works: https://twitter.com/i/status/1583504929305468929