I am designing a device which uses LiDAR to count things and also measure distance and speed. It is powered by an Adafruit Trinket Pro and will soon receive an upgrade that enables it to log data to the cloud. The LiDAR module is a LiDAR-Lite v1 that I picked up a few years ago.
I love how easily I can design and build custom enclosures using the GlowForge.
Here are some pictures of my first non-cardboard prototype: