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Now that's one way to block annoying online ads — developer uses a $5 dongle to squeeze in 537,000 domains…

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.

Relying on a sub-$5 ESP32-based mini board, the device somehow squeezes over 500,000 domains into paltry 4MB of onboard flash storage.

The build has been demonstrated on YouTube, with the video of the “DNS sinkhole” apparently providing how simple it is to set up. All the hard work has been done by ZedAxis, with the code available via GitHub.

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This Searchable Tool Is Helping Track Flock Surveillance Cameras in Your City

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OpenAI-Hugging Face attack doesn't mean agents are evil – unless you tell them to be

Microsoft fiber foul-up cut off Azure California for almost five hours