✉news Technology Software first seen 7 h ago, last 1 h ago, peak #14

Open-source ESP32-C3 DNS ad blocker blocks over 500,000 domains

Original: Open-source ESP32-C3 DNS ad blocker supports up to over 500,000 domains without PSRAM

An open-source DNS-based ad blocker running on the low-cost ESP32-C3 microcontroller can filter ad and tracking domains for entire networks, handling lists of more than 500,000 domains without needing PSRAM. The project turns the inexpensive chip into a network-wide ad filter, similar in purpose to Pi-hole, but on minimal hardware. It is drawing interest from DIY and self-hosting enthusiasts looking for cheap, low-power network ad blocking.

Why now: It shows a very cheap microcontroller can replace dedicated hardware for network-wide ad blocking, appealing to the self-hosting community.

ESP32-C3 Espressif

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Open-source ESP32-C3 DNS ad blocker supports up to over 500,000 domains without PSRAM · CNX Software
Open-source ESP32-C3 DNS ad blocker supports up to over 500,000 domains without PSRAM · CNX Software

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