Clever hacker fits 537,000 domains in a $5 ESP32 ad-blocking dongle

By sbulaev · 2026-07-19 · 88 points · 26 comments

https://www.tomshardware.com/networking/clever-hacker-fits-537-000-domains-in-a-tiny-usd5-esp32-ad-blocking-dongle-firmware-uses-only-around-50kb-of-ram-and-can-answer-blocked-lookups-in-10-milliseconds

By sbulaev · 88 points · 26 comments · on Hacker News, read on BetterNews.

Open the full discussion on BetterNews