Tags: ESP32

ESP32 Blocks 537,000 Domains for Ad Blocking, a Clever $5 Implementation

Gadgets

ESP32 Blocks 537,000 Domains for Ad Blocking, a Clever $5 Implementation

An Egyptian developer uses an ESP32-C3 microcontroller to build a DNS filter capable of blocking 537,000 domains. Leveraging 40-bit FNV-1a hashing, it fits within 4MB of flash memory.

July 19, 2026

Tags

.NET 1440p 18A 2026 AI 2nm 3D Engine 3D TV 3D printer 3D printing 3D reconstruction 3D video 4K 5G 8K AARD Code ACPI AGI AI AI Agent AI Assistant AI Browser AI Decision-Making AI Development Tools AI Ethics AI Gateway AI Image Generation AI Infrastructure AI Models AI Operation AI Organizational Governance AI PC AI Regulation AI Safety AI Semiconductors AI Training AI Vulnerability Detection AI accelerator AI acquisition AI adoption AI agent AI agents AI assistant AI bubble AI code assistant AI code generation AI code review AI coding AI data center AI development support AI diagnosis AI documents AI ethics AI for Science AI governance AI hardware AI hype AI in Education AI organizational transformation AI payment AI photo editing AI price war AI processing AI regulation AI research AI safety AI security AI servers AI smartphones AI speaker AI training AI video generation AI voice AI wearables AI-generated images AI-generated music AI-generated scams AMD AMD Ryzen AMDGPU ANC ANSSI AP-101B APFS API API Management APKWS APU AR ARM ASRock ASUS AT Protocol ATI Radeon AUR AVX-512 AWS AYANEO Academic publishing Accessibility Age Verification Agent Economy AgentCore Agents Agility Robotics AirPods Aircraft Alan Turing Alchemist Alexa Alien Megastructures Alipay Alpine Linux Amazon Amazon Fire HD Amy Olberding Android Android 17 Android Auto Andøya Spaceport Animal Behavior Anna's Archive Ant Group Anthropic Anti-UAV System Anti-drone Antitrust Apache Ossie App Bubbles App Store Apple Apple Intelligence Apple M3 Apple MLX Apple Silicon Apple lawsuit AppleCare Plus Arc Arch Linux Architectural Technology Arizona Arm Asahi Linux Asteroid Astro Astronomical Observation Astronomy Atlas Audio Australia AutoGen Automation Automobiles Automotive Industry Autonomous Driving Azure BAT BI BI Tools BIOS BLIP-2 BLM BMW BPF BSD BYD Backdoor Battery Bazzite Bedrock Benchmark Bevy Big Data Billionaire Tax Biohybrid Bioinformatics Biotechnology BitTorrent Bitdefender Bloomberg Blue Origin Bluesky Bluetooth Bluetooth SIG Boeing 747 Book Boston Dynamics Botnet Brain Simulation Brazil Broadband Broadcom Brown University Bug Fixes Build-Your-Own-X Bun ByteDance C language C++ CAR-T CATL CCleaner CET CISA CIX P1 CI・CD CLI CMF COSMIC COSMIC desktop COVID-19 CPU CPU cooler CPU scheduler CRT CSAM CSS CVE Cache Aware Scheduling California Canada Cancer Treatment Capita Case Report Censorship Chain of Thought Chapter 11 ChatGPT Chatbots Cheating Checks Cheetah Mobile Chery ChillPill China China AI China EV Market China market China tech Chinese AI Chinese battery industry Chinese market Chrome Chrome Extension Chromium Cisco Civic Claude Claude Code Claude Fable Claude Fable 5 Claude Mythos Clem Delangue Climate Change Climate Change Adaptation Cloud Cloud Migration Cloud Security Cloudflare Clustering CoWoS Code Migration Code Review Codex Cognitive Science Collaboration Campaign Comcast Commercial IP Commodore Community Community Notes Comparison Shopping Compatibility Competitive Programming Computex Computex 2026 Conflict of Interest Consciousness Studies Consumer Behavior Consumer Protection Containers Content moderation Copilot+ PC Copyright Coral reefs Core 2 Quad Cost Management Counter-Strike Creality Creator Protection CrewAI Cryptographic Algorithms Cryptography Cursor Custom Silicon Customization Cyber Essentials Cyber-occult Cybersecurity DDR1 DDR2 DDR5 DIY Guides DIY PC DJI DLSS DMCA DNA analysis DNS filter DRAM Daily Nous Daniel Ek Dark Matter Dark Mode Data Analysis Data Breach Data Center Data Centers Data Privacy Data Protection Data Sales Data Theft Data centers Data-Directed Programming Database Database Migration Databricks Dave Eggers Debian Decentralized Decision-making Decitron DeepMind DeepSeek Defender Delilah Denza Department of Defense Dependency Management Design System Design Tokens DevOps Developer Mode Developer Tools Development Learning Development Tools Diagnostic Imaging Digit Digital Camera Digital Distribution Digital Forensics Digital Inclusion Digital Marketing Digital Payments Digital Rights Digital transformation Discord Dish Display Issues DisplayPort Distribution DocLang Docker Dragonwing Driver Drone Countermeasures Drones Drug Discovery Durability E Ink E-paper E2E encryption ECS EFF ESET ESG ESP32 EU EV Echo Echo Hub EchoStar Edge 70 Fusion Education Elderly Care Electric Vehicles Elon Musk Embedded Linux Emerging Infectious Diseases Emotion Recognition Emulation Encryption Encryption API End of Support Engineering Engineering Sample Enterprise AI Epigenetic Reprogramming European Market European Space European market European space development Evolution Excel Exif Exploration Export Controls Export Restrictions Extensions FARO FCC FDA FEX FFI FISA FOSSA FPGA FSD FTC FTP-1 FUSE Fab Expansion Fable 5 Facebook Facial Recognition Fedora Fermata Auto Feynman Figma competitor File Management File System Files by Google Financial Fraud Fine-Tuning Finland Fintech Fire HD 10 First Amendment Fitness Trackers Flipper Zero Flood Prevention Fluid dynamics Foldable Smartphone Foldable Smartphones Food Culture Food Delivery Food preservatives Ford Foundry Framework France Fraud Detection Free Speech FreeBSD Frontend Design Frontier AI Fu Sheng Functional Programming G.Skill GCC GDID GETAC GGUF GHC GLM 5.2 GLM-5.2 GM GNOME GPL GPT-5.6 GPU GPU drivers GTA GTK3 Galaxy Galaxy S25+ Galaxy S26 Ultra Galaxy Watch Galaxy Z Flip 8 Galaxy Z Fold 8 Game Boy Advance Gaming Gboard Geekbench Geely Gemini Gene Therapy Genome Geoffrey Hinton Geometric Context Transformer George Hotz Gigabyte Git Git forge GitHub GitHub Copilot GitLab Gitea Gleam Go Goodwood Google Google Books Google Chrome Google Earth Google Maps Google Nest Hub Google Photos Google Pixel Google Research Google TV Google Wallet Government Government Websites Grand Mathematics Graphics driver Greater Zurich Area Grindr Grok Guizhou Cuisine H200 HBC HBM HCLTech HDMI 2.1 HDR HFS+ HVAC Haier Haiku Half-Life Half-Life 2 Hall Effect Handheld PCs Hardware HarmonyOS Haskell Headphones Heart Rate Sensors Heatwave Hello HiDream Hisense History of Technology HiveLegacy Hollywood Home Assistant Home Speaker Honda Honor Horizontal Gene Transfer Housing Huawei Hugging Face Human Rights Human-AI Collaboration Humanoid Robots Hunyuan Hy3 Hyundai IA-64 IBM IETF IP cameras IP68 IPO IPTV IPv4 ISP ISS IdeaPad Slim 5x Incident Response IndexedDB India Industrial Robots Inference Costs Information Management Innovation Paradigm Insects Insider Misconduct Insta360 Instagram Intel Intel Core Intel Mac Interconnectivity Internet culture IoT Iridium Isar Aerospace Itanium Ivan Miranda I・O Processor JBL JIT spraying JPL JaiLIP James Webb Space Telescope Japan JavaScript JavaScript runtime Jellyfin Jenkins Jensen Huang Jezero Crater Joolca Jujutsu Juno Computers Jurassic Park K-Means KDE KWin Kalshi Kernel Kimi Kimi K3 Kling AI L-system L3Harris LFP LGBTQ LGBTQ+ LHDC v5 LHS 1140 b LLM LLM comparison LLM customization LLM fine-tuning LLVM LPCAMM2 LTS Land Use LangGraph Laptop Large Language Model Large Language Models Larry Page Laser weapons Lawsuit Lehmer code Leica Lenovo Level 3 autonomous driving Lewis Ross Libraries License Licensing Lawsuit Light Mode Linear LinkedIn Linker Linus Torvalds Linux Linux Desktop Linux Foundation Linux Kernel Linux kernel Liquid Cooling Lisp LitPlayer Lithium-ion batteries LoRA Local LLM Log Collection Logitech Longevity Science Losses Love Island USA Lunar Development Lunar Exploration M&A M&S M4 M5 M6 M7 MATE MCP MEXT MINIX MIT Technology Review MITRE ATT&CK MLOps MR MSI MST MacBook Pro Machine Learning Mali Malware Mamdani Manifest V2 Manual Transmission Manufacturing Industry Maps MariaDB Mario Kart Wii Mark Gurman Markdown Mars Mars Exploration Mars exploration Maryland Material Technology Max Planck MeLE Medical Medical Diagnosis Medical Tourism Medical devices Medusa Point Megapod Meituan Memory Memory Management Memory Prices Mercedes-Benz Meredith Whittaker Mesa Messaging Messi Meta Meteorite MiXplorer Microsoft Microsoft Defender Migration Military Technology Military technology Mini LED MiniLED MiniMax Misinformation Countermeasures Mobile SoC Model File Model Poisoning Moderna Moonshot AI Motorola Movie Technology Mozilla Multi-Agent Multimodal AI Muse Music Generation MySQL Mythos N2 Process N95 masks NASA NASDAQ NAT bypass NAT traversal NATO NHS NHTSA NIST Standardization NPS NVIDIA NVK NVMM Natural Language Processing Nest Audio NetNewsWire Netflix Neural Networks New Glenn New Jersey New York City New York State Nintendo Nissan Noise-Canceling Nothing Nova Lake Nubia Nuclear Energy Nuclear Rover Nuclear energy Nvidia OCI OCI Compliance OLED OS OS Development OS development OS share OSS OSS Security Ollama OnePlus Online Privacy Online safety OnlyFans Onn Open Letter Open Source Open Weight Open-Weight Model Open-source OpenAI OpenCL OpenClaw OpenPGP OpenZL Optimus Oracle Orange Pi Oregon Attorney General Organic Chemistry Organizational Transformation Origins of Life Osaka University Osmo Pocket Otome Games Oversight Board P2P PAM PC components PCB PCIe 4.0 PEFT PGP PM2.5 POSIX PPG PQC PSP PWA Packaging Palantir PamStealer Panfrost Paraguay Paramount Parasites Parody Passport Patreon Payments Pebble Penetration Testing Pentagon PeopleSoft Performance Performance Optimization Perseverance Personal Context Personal Information Personal development Philosophy Physical AI Pine64 Pipes Pixel Pixel 11 Pixel 9 Pro XL Pixel Drop Plan-and-Execute Planets Plasma Platform Platform Accountability Platform Load Platform Regulation PlayStation Playlist Podcast Podman Polestar Policy Politics Pop!_OS Popular Music Portfolio Post-Quantum Cryptography Postal Service Posters PostgreSQL Power Supply Powerbook Price Hike Privacy Privacy Display Privilege Escalation Product Management Productivity Programming Programming Education Project Glasswing Project Kuiper Project Nimbus Project Solara Project Switch Prompt Caching Proton Psyche Psychology Public Infrastructure Pull Request Punkt MC03 PyPI Pyodide Python QLoRA Qi Qingju Qlik Qualcomm Quality Regression Quantization Quantum Computers Quantum encryption Quest Qwen3.6 R&D R&D hub RAG RAID RAM RDNA 3 RDNA 3.5 RDNA3 RDNA4 RFC-3986 RGB RISC-V RSS RTX 3060 RTX 5070 Ti Super RTX 5080 Super RTX Spark Radeon Radio Garden Radxa Ramp Ranking Ransomware Raptor Lake Raspberry Pi Raspberry Shake Ray-Ban Meta Razer ReAct React ReactOS Real2Sim Reddit Regulatory Easing Reinforcement Learning Remote Work Remote control Research Ethics Retail industry Retro Retro Computing Retro Gaming Retro PC Retroid Revelio Labs Revolutionary War Riemann Dynamics Riemann-1.0 Ring AI Rising Costs Rivian Robotics Robots Rocket Lab Ronaldo Rootless Roscosmos Router Runtime Russia Rust Rusticl Ryzen 9000 SBC SBOM SCO SD Card SD-WAN SDUC SELinux SEO SGI SICP SIMD SK Hynix SMB SMPTE SQL SQLite SSD ST 2110 SZ42 Salah Sam Altman Same-Day Delivery Samsung Samsung Wallet SanDisk Satellite Communications Satellites Satya Nadella Scattered Spider Search Features Seasonic Secure Boot Security Sega Sega Saturn Seismic observation Semiconductor Semiconductor Design Semiconductor Export Restrictions Semiconductor Shortage Semiconductors Sequencing Server Servo Shadow Stack Sharing Economy Shark ShinyHunters Shorts Shrinking Margins Sigma Sign Language Recognition Signal Silhouette Method Silicon Valley Silver Economy SimFoundry Single-Board Computer Siri Sling TV Smart Display Smart Healthcare Smart Home Smartphone Smartwatches Snapdragon Snapdragon 8 Elite Gen 5 Snapdragon Reality Elite Snowflake SoC Social Media Social Media Regulations Social networks Sociocultural SoftBank Software Design Software Supply Chain Security Songcheng Performance Sony South Korea economy Space Space Business Space Development Space Exploration Space Shuttle Space Startup SpaceX SpaceXAI Spectrum Spotify Springer Nature Stack Overflow Stanford University Starlink Starship Startup StatConsumer Steam Controller Steam Controller 2 Steam Deck Steam Machine StepFun Storage Strands Streaming Streaming Devices Subscription Supply Chain Supply Chain Attacks Surface Surveillance Surveillance Pricing Surveillance Society Survey Methods Swift Switzerland Sync Engine SynthID Syntropy System Monitor System76 T-Mobile TCL TSMC TSME TV Tablet Tabnine Tarlin Tax Policy TeamGroup Teenage Engineering Television Tencent Tensor G6 Terence Tao Terminal Terzan 5 Tesla Test Framework Texas Text-to-SQL ThoughtSpot Tianwen-2 Ticketmaster Tidal TikTok Timelapse Tool Calling Touchscreen Toyota Translation TrueType Trump Administration Trump administration Turtle Beach Twitter TypeScript U.S. Department of Energy U.S. Department of the Interior U.S. Fish and Wildlife Service U.S. Government Regulation U.S. government U.S. manufacturing U.S. politics UAP UBports UEFI UFO UFS UGC UI UI・UX UK Government UPower URI US Politics US law US-China AI competition USB-C USB4 UX Design Uber Ubuntu Ubuntu Touch Ultra UltraRISC Unicorn Uniqlo Unit Testing United States University of Texas Unix Update Urban Competition Urban Development User Experience User Interface V2G V8 VA study VAR VCR VFS VKontakte VLA VMware VPN VR VRAM Value Investing Valve Vibe Coding Video Conferencing Video Editing Video Streaming Vim Viral Virtualization Visa Visual Generation Vite Vivo Voice Assistant VoidZero Volkswagen Vulkan Vulkan Video Vulnerabilities Vulnerability WAIC WASI WPC WWDC WWDC 2026 Walmart Warner Bros. Discovery Water Resistance Wayland Waze WeChat Wearables Web Applications Web Performance Web Tools Web services WebAssembly Webcam Wi-Fi Wildfires WinUI Windows Windows 11 Windows compatibility Wine Wired review World Championship World Cup World Robot Conference X X5 XPrize XR XZ Utils Xbox Xfinity Xiaomi Xiaoyi Xinuos Xteink YouTube YouTube Music Zen 6 Zero-Day Zero-Knowledge Proof Zhipu AI Zhongke WenGe Zig Zoox Zuckerberg Zurich academic freedom accessibility accessories accidents acoustic analysis activism ad blockers ad blocking advertising age verification agent agents air purifiers air quality monitoring algorithms alias always-on recording ancient DNA anti-competition antitrust law app app management asteroid astronomy atmosphere detection atmospheric water harvesting audio automation automotive automotive industry automotive parts autonomous AI autonomous driving autonomous vehicles autonomous weapons backdoor backup bash battery binary compatibility biotechnology birth rate blog botnet bounded rationality bounty branch strategy broadband browser browser engine browser extension bubble bug bulge fossil fragment bundles business strategy cache optimization camera camping capital markets capitalism car infotainment cardiovascular disease cat-catch censorship central research lab charging chatbots cheating chip manufacturing chip technology class action lawsuit climate change cloud cloud storage code forge code generation collaboration tools communications infrastructure community compiler computational power consciousness consumer behavior consumer behavior analysis consumer protection container content creation content moderation content quality cooling cooling gadgets copyright copyright infringement corporate governance corporate tax cost optimization cost performance cost-cutting cost-performance courts crawler creativity crowdfunding cryptographic technology customer service customer support customization cybersecurity data analysis data archive data center data centers data collection data compression data interpretation data migration data privacy data protection data scanning data science data sovereignty data standardization database database optimization dataset debugging decentralized development decision-making deepfake delay deliverability delivery delivery issues democracy deployment deregulation design patterns design systems design tools desktop environment developer developer tools development practices development tool development tools differential privacy diffusion model digital camera digital content digital distribution digital rights digital society digital tickets digital transformation digital wallet digital well-being direction discount disinformation countermeasures divinization driver driving range drone drones dual display e-commerce eBooks eReader economics edge AI edge computing education electric bike electric vehicle electric vehicles electricity electrification electrolyte additives electronic paper embedded embedded development embedded software employment emulation emulator encryption energy energy consumption energy efficiency energy policy engagement engineering enterprise enterprise AI entr environmental conservation environmental regulation environmental regulations environmental sensors environmental technology ethics ethics-washing evaluation evaluation systems evolutionary psychology executive leadership exoplanet export control export controls export restrictions eye preservation feature phone feed reader file sharing file system financial risk financial risks firmware update fitness flight simulator foldable foldable smartphone folding folding smartphone food and beverage industry formal grammar fossil fuels foundation model foundry fractals framework framework comparison franchise free free lines freedom of expression freedom of speech frp full-body scan functional programming fundraising future foresight fwupd gadgets galaxy formation galvo game game compatibility game development game engine gamepad gaming gaming consoles gaming handheld gaming keypad gas turbines generative AI geopolitical risk ghost guns gimbal camera glossary government communications government procurement government regulations grayscale grazing gun control habit improvement habitable zone hallucination handheld handheld gaming console handy apps hardware headphone jack health features health tech heat pump heat wave home appliance technology home entertainment home screen housing bubble human role humanoid robots hybrid autofocus hypertension iGarden iOS iOS 27 iPad iPad Pro iPhone iPhone Air iPhone Fold iX5 identity management image generation incident incoming calls influenza vaccine information hiding information theft infrared inline assembly innovation insider trading internet history interview investment isolated-vm jailbreak jj job hunting judicial access kernel kernel development kernel optimization knowledge management knowledge sharing labor market land transfer laptop large language models laser engraving machine law lawsuit lawsuit settlement leak legacy migration legal liability libssh2 life exploration liquid cooling llama.cpp lo-fi lobbying local LLM localization strategy low Earth orbit satellites low-level programming luxury appliances m3u8 mRNA macOS machine learning mail server mainframe maker maker tools malware management studies manufacturing manufacturing industry marine robots marketing technology mathematics media merger medical data meeting transcription memory bandwidth memory encryption memory tiering mental health mid-range military military AI mirrorless mobile mobile OS mobile accessory mobile payment mobile payments mobile work mobility mod model attribution model compression modification modular keyboard modular servers monitoring mosquito control mouse multi-agent system multimodal multimodal AI music discovery music equipment music publishers music streaming n8n national security navigation app network networking tools nutritional epidemiology ocean data online gambling ontology open access open source open-source open-source driver open-weight models open-world openPangu operational efficiency opt-out orbital debris organ transplantation organic carbon organization organization theory organizational transformation outdoor overclocking ownership parameter-efficient fine-tuning partitioning patent lawsuit performance perfusion technology peripherals personalization persuasive tactics philosophy of technology physical AI physical media physics plan migration plant modeling plastic pollution platform platform business platform strategy platforms plugins policy political technology pool portability portable fan portable gaming console portable shower post-quantum cryptography power bank power grid power management prediction market preventive medicine price adjustment price changes price increase pricing comparison printed circuit boards privacy privilege escalation proc procedural generation process design process node product productivity productivity boost profit shifting programming programming education programming language prompt engineering pruning public health public participation publishing quality control quality inspection quality management quantization radio ransomware real estate market reality show recycling refereeing technology regulation regulations reliability remains identification remote control research research funding research methods retail technology retro retro gaming reverse engineering risk robot robotaxi robotics rocket royalties rugged laptops sale sales staff sampler sanctions satellite satellite communication satellite internet satellites screen time secondhand e-commerce secondhand market security security patch segfault self-driving self-hosted self-hosting self-plagiarism semantic model semiconductor semiconductor shortage semiconductors sense sensor technology sensors settings sex education shadow banning share bikes shortcuts silent operation simulation single-board computer small form factor PC small modular reactors smart city smart glasses smart home smart native smart retail smart speaker smartphone smartphone review smartphones smartwatch soccer social media social network sodium-ion battery software development software engineering software recall software testing sound quality comparison source code management space space data center space debris space development space infrastructure space junk space station speech recognition sports technology sprinkler sqlite-utils standardization standards standardization startup startup investments startups static recompilation static typing statistical data steganography storage streaming subscription supply chain supply chain attack support surveillance surveillance bill surveillance legislation surveillance society sustainability swimming sysctl system calls system prompts system tools systems programming tablet tactile perception talent shortage tangled taste tax credit taxation technical debt technology technology and humanities technology and society technology commentary technology management technology regulation telecom carriers telemetry television terrain generation test automation textile technology time series forecasting token billing token saving tokens touchscreen tourism industry trade secrets traditional enterprises traffic traffic lights training data transparency travel planning type safety type system uBlock Origin ultra-thin smartphones undersea cable update user engagement user experience user interface vLLM vaccine valuation version control video download video editing video editor video playback video player video streaming video technology viewer behavior virtualization visa policy visualization voice encryption voting vulnerability water cooling water resources wearable wearables web development web scraping web standards whistleblower wildfires wireless wireless charging wireless earbuds workflow workflows world model xAI yield young talent zero-day zero-day vulnerability zlib-rs