Quick-reference (QR) codes are similar to barcodes, as they are able to encode data that is represented by black and white squares. But instead of using a laser, a camera differentiates between the spaces and then sends that information to be processed. They are comprised of several large squares that help to align and position…
So this article is going to be my notes on how I built one using a cheap GPS module off eBay as the reference time source and a Raspberry Pi. (a 2B in this case, but hopefully the differences for newer models will be minor; if there are any, they’re probably around the behavior…
Do you want to play retro games without paying for the expensive old consoles? You can do just that with the Raspberry Pi. The Raspberry Pi is a “credit card-sized computer” that is capable of many cool things. There are many different types of these. The Pi is readily available in most online retailers like…
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