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TechRadar
Christian Cawley

Now that's one way to block annoying online ads — developer uses a $5 dongle to squeeze in 537,000 domains into just 4MB of flash memory

Memory GitHub
A USB adblocking dongle.
  • Egyptian developer demonstrates how to block ads with an ESP32-C3 "SuperMini" board
  • ESP32 ad-blocking dongle costs just $5 to build
  • 537,000 blacklisted domains are stored in the device’s 4MB of flash memory

When online ads become a problem, ad-blocking software is a good idea, used in conjunction with dedicated hardware like a Raspberry Pi running Pi-Hole. But what if the device is rebooting or otherwise out of action? Egyptian developer ZedAxis claims to have developed a solution that might inspire a rethink on how online whitelisting and blacklisting is processed.

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