An ESP32-C3 SuperMini with just 400 KB of RAM and 4 MB of flash can block over 537,000 ad and tracking domains with roughly ...
Back when Google ran a functional search engine, there used to be all kinds of quirky, fun antics hidden in their products.
Tom's Hardware on MSN
Clever hacker fits 537,000 domains in a tiny $5 ESP32 ad-blocking dongle
This project uses a clever hashing trick to fit over half a million blocked domains into just 4MB of flash memory.
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