via RaspberryPi.org
It is a truth universally acknowledged that a person in possession of a large record collection must be in want of a good shelving system. Valentin Galea has solved this problem by developing the Vinyl Shelf Finder. In this build, a web-based app directs a pan-and-tilt laser to point out your record of choice among your collection.
People love to collect stuff. Stamps; soap bars; Troll dolls; belly button fluff (no, really); if you can think of a tangible item, someone out there in the world is collecting it. Of course, every collector needs to solve two issues — which system to use for cataloguing and sorting their collection, and how to best retrieve items from it. This is where Valentin’s Vinyl Shelf Finder comes in.
Valentin keeps an online record of his vinyl collection using Discogs. He entered each LP’s shelf position into the record, and wrote a Node.js app to access the Discogs database. The mobile app has a GUI from which he chooses records based on their name and cover image. To build the hardware, he mounted a Pimoroni Pan-Tilt HAT on a Raspberry Pi, and affixed a laser pointer to the HAT. When he selects a record in the app, the pan-and-tilt laser moves to point out the LP’s location.
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