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Raspberry Pi boards have gotten expensive, so I've been looking for cheaper alternatives. I found one in a tiny ESP32-S3 board.
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They say that necessity is the mother of invention, and the skyrocketing prices of Raspberry Pi boards have definitely been the kick in the pants that I've needed to look at cheaper, perhaps also better-suited, alternatives. I mean, the Pi is a great board, but for a lot of applications I've used it for over the almost 15 years that they've been around, it's also been overkill.
The other day, I needed to put together an ad-block solution, not because I dislike ads, but simply because I was working with quite a limited bandwidth. I reflexively reached for a Raspberry Pi board, but stopped when I remembered how much they cost nowadays and put it back.
Also: I tested a Bluetooth tracker that leverages LoRa mesh networks to find things - and it's so accurate