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Flipper Zero alternatives, expanding your 2023 hacking toolkit
(digitalnomadhardware.com)
This is a most excellent place for technology news and articles.
Mostly NFC. Flipper standalone is more versatile than a proxmark3 I used to carry. Also seems the NFC reader is more reliable - you still can do more, and generally have better control via the proxmark when connected to a phone, but for just investigating the flipper is better. And as bonus supports a bunch of other stuff that might be interesting to look into.