Software · Raspberry Pi & electronics

esp32-s3-adblock

Pi-hole-style DNS ad blocker for the ESP32-S3 (N16R8). Blocks ads and trackers for your whole network, sends other lookups over encrypted DNS-over-TLS (Cloudflare/Quad9), caches answers in PSRAM and updates its…

Completely free
Open source
No account

Overview

esp32-s3-adblock is a microcontroller program.

Features described in its GitHub repository: ad and tracker blocking.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Pi-hole-style DNS ad blocker for the ESP32-S3 (N16R8).” — GitHub, 10 November 2026
“Blocks ads and trackers for your whole network, sends other lookups over encrypted DNS-over-TLS (Cloudflare/Quad9), caches answers in PSRAM and updates its…” — GitHub, 10 November 2026

At a glance

esp32-s3-adblock is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) — 9 November 2026
Facts collected from LicitPro automatic classification () — 7 November 2026
Last technical check: 7 November 2026
Description from github.com — Dépôt GitHub denzilrdz/esp32-s3-adblock (MIT)

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