From Sound Waves to Cybersecurity: My DIY Password Generator Project

1 CysecTools 1 9/5/2025, 10:10:37 AM cysectools.com ↗

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CysecTools · 12h ago
Some time ago, I decided to blend two of my passions: electronics and ethical hacking.

Using an ultrasonic transducer/transceiver hooked up to an Elegoo microcontroller (Arduino-style), I built a system that listens to environmental feedback — then processes that data in C++ to output… password permutations.

Not random ones — entropy-rich, context-influenced strings that could be used for pen-testing or bug bounty password lists. Basically, it’s like training a tiny sound-powered machine to brainstorm unpredictable keys for me.

This is one of those oddball projects where electronics meets cybersecurity, and it reminded me why I love this field — it rewards curiosity and creative thinking