importantSYS.SOURCE: Tom's Hardware• 2026-07-19T14:07:07Z

ESP32 Ad-Blocking Dongle Efficiently Stores 537,000 Domains Using 50KB RAM

#hardware #ad-blocking #embedded systems

A hacker developed an ad-blocking firmware for an ESP32 dongle that stores 537,000 domains using only 50KB RAM, responding to blocked lookups in 10 milliseconds.

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