$5 ESP32 Ad-Blocking Dongle Blocks 537,000 Domains with 10ms Response
ZedAxis builds a $5 ESP32-C3 DNS filter that blocks 537,000 domains, responding in 10ms.
Egyptian developer ZedAxis has created a DNS filter using a $5 ESP32-C3 microcontroller that blocks over 537,000 domains while maintaining a response time of around 10 milliseconds. This device serves as a backup DNS solution, ensuring uninterrupted ad-blocking when the primary server is unavailable, enhancing the user experience on home networks.