Top Ethical Hacking Gadgets & Tools I Actually Tried (Flipper Zero, Wi‑Fi Deauther + DIY Builds)

I tested popular “hacker gadgets” as learning tools—Flipper Zero (RFID/NFC, IR, Sub‑GHz, GPIO add‑ons) and a DIY Wi‑Fi deauther for security labs. Here’s what each hacking tool does, what I used it for ethically, and what to know before buying/building.