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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>HellzGate C5 — Multi-Node Passive Wireless Survey Array</title>
<meta name="description" content="HellzGate C5 is a custom multi-node wireless survey platform. One master coordinating an expandable cluster of ESP32-C5 scanner nodes. Dual-band Wi-Fi + BLE, GPS-tagged, local logging. No cloud. Built from a scrap paper sketch into real hardware.">
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<meta property="og:description" content="One master coordinating an expandable cluster of ESP32-C5 scanner nodes. Dual-band Wi-Fi + BLE, GPS-tagged, local logging. No cloud. From scrap paper doodle to real hardware.">
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<div class="announce-bar">
<span class="dot"></span>
V2 is in development · Companion app coming · <a href="#next">See what's changing</a>
<span class="dot"></span>
</div>
<nav>
<div class="wrap nav-in">
<a href="#top" class="logo">HELLZGATE <span class="c5">C5</span></a>
<div class="nav-links">
<a href="#next">What's Next</a>
<a href="#what">Platform</a>
<a href="#board">The Board</a>
<a href="#gallery">Gallery</a>
<a href="#journey">Journey</a>
<a href="#notify" class="btn btn-red nav-cta">Follow the Build</a>
</div>
<button class="burger" onclick="document.querySelector('.nav-links').style.display='flex'">☰</button>
</div>
</nav>
<header class="hero" id="top">
<div class="wrap">
<div class="eyebrow">Multi-Node Passive Wireless Survey Array</div>
<h1>HELLZGATE <span class="c5">C5</span></h1>
<div class="tag">One Master · Expandable Node Cluster · Wi-Fi + BLE</div>
<p class="lead">A custom multi-node wireless survey platform I built from a random idea into real hardware. One board, a wall of radios, local logging, GPS ready. No subscriptions. No cloud. Just raw data in your hands.</p>
<div class="cta-row">
<a href="#board" class="btn btn-red">See the Board</a>
<a href="#journey" class="btn btn-ghost">The Story</a>
</div>
<div class="showcase">
<div class="shot">
<img src="board_persp.jpg" alt="HellzGate C5 — the board next to an iPhone 16 Pro for scale, 155mm x 55mm, fully populated with 10 ESP32-C5 nodes">
<div class="cap"><b>HellzGate C5</b> — 10 nodes, one board. 155 × 55mm. Fits in your hand.</div>
</div>
</div>
<div class="fangs"><span class="skull">☠</span> The gate is getting fangs <span class="skull">☠</span></div>
</div>
</header>
<section class="whatsnext" id="next">
<div class="wrap">
<div class="eyebrow" style="text-align:center">What's Next</div>
<h2 style="text-align:center">v2 and the app are <span class="red">in development.</span></h2>
<p class="lead-p" style="text-align:center;max-width:700px;margin-left:auto;margin-right:auto">v1 proved the gate could open. Now the next hardware revision and the companion app are both actively being built — here's where it's headed.</p>
<div class="next-grid">
<div class="panel">
<div class="badge-dev">In Development</div>
<h3 class="next-h">HellzGate C5 <span class="red">v2</span></h3>
<p class="next-sub">The next board — built to go anywhere.</p>
<ul class="next-list">
<li><b>Embedded GPS</b> — on-board chip + phone GPS as backup</li>
<li><b>Battery + USB-C</b> — fully portable, charges while plugged in</li>
<li><b>Digital power control</b> — the master runs the nodes, no switches</li>
<li><b>Cleaner & tighter</b> — no OLED or toggles, fewer moving parts</li>
<li><b>Smaller & more discreet</b> — a squarer, field-ready package</li>
<li><b>Still red.</b> Always red.</li>
</ul>
</div>
<div class="panel">
<div class="badge-dev">In Development</div>
<h3 class="next-h">Companion <span class="red">App</span></h3>
<p class="next-sub">Your gate, in your pocket.</p>
<ul class="next-list">
<li><b>iOS + Android</b> — one clean, native app</li>
<li><b>Live dashboard</b> — scan counts, node health, results in real time</li>
<li><b>Full control</b> — start/stop, presets, manage the whole node cluster</li>
<li><b>GPS tagging & CSV export</b> — straight from your phone</li>
<li><b>Local & private</b> — talks to the device directly, no cloud, no account</li>
</ul>
</div>
</div>
<p style="text-align:center;color:var(--dim);font-size:.9rem;margin-top:28px">Both are being built in the open — follow along on <a href="https://discord.com/users/370298706991251457" class="red" style="font-weight:600">Discord</a> and watch the gate evolve.</p>
</div>
</section>
<section id="what">
<div class="wrap two">
<div>
<div class="eyebrow">What it is</div>
<h2>A fully local, offline survey <span class="red">array</span>.</h2>
<p class="lead-p">HellzGate C5 is a passive, multi-node wireless survey platform. One master coordinates a cluster of ESP32-C5 scanner nodes that listen across Wi-Fi and Bluetooth, aggregate to the master, geo-tag, and log — all on your own local network. Start with a board's worth and scale the cluster from there. Nothing leaves the device unless you send it.</p>
<ul class="spec-list">
<li>Passive Wi-Fi (2.4 / 5 GHz) and BLE scanning across every node</li>
<li>GPS-tagged, timestamped records exported in WiGLE-ready format</li>
<li>Local dashboard + companion app — no cloud, no servers, no account</li>
<li>Dedicated wired I²C backplane keeps every radio free for the capture</li>
<li>Passive and listen-only, start to finish</li>
</ul>
</div>
<div class="panel">
<div class="stat-grid">
<div class="stat"><b>9+</b><span>Scanner nodes<br>expandable cluster</span></div>
<div class="stat"><b>3</b><span>Signals scanned<br>Wi-Fi 2.4 · 5 · BLE</span></div>
<div class="stat"><b>USB-C</b><span>Single-port<br>power</span></div>
<div class="stat"><b>0</b><span>Cloud<br>dependencies</span></div>
</div>
</div>
</div>
</section>
<section class="features" id="features">
<div class="wrap">
<div class="eyebrow" style="text-align:center">Built In</div>
<h2 style="text-align:center">Everything on board.</h2>
<div class="feat-grid" style="margin-top:44px">
<div class="feat">
<div class="ic"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="7" y="2" width="10" height="20" rx="2"/><path d="M11 6h2"/></svg></div>
<h4>USB-C Power</h4><p>Single-port. No batteries.</p>
</div>
<div class="feat">
<div class="ic"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M5 13a10 10 0 0 1 14 0"/><path d="M8.5 16.5a5 5 0 0 1 7 0"/><circle cx="12" cy="20" r="1"/></svg></div>
<h4>Dual-Band Wi-Fi</h4><p>2.4 & 5 GHz.</p>
</div>
<div class="feat">
<div class="ic"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M7 7l10 10-5 4V3l5 4L7 17"/></svg></div>
<h4>BLE</h4><p>Bluetooth LE scanning.</p>
</div>
<div class="feat">
<div class="ic"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M12 21s-7-5.5-7-11a7 7 0 0 1 14 0c0 5.5-7 11-7 11z"/><circle cx="12" cy="10" r="2.5"/></svg></div>
<h4>GPS Ready</h4><p>Per-record geo-tagging.</p>
</div>
<div class="feat">
<div class="ic"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="5" r="2.4"/><circle cx="5" cy="19" r="2.4"/><circle cx="19" cy="19" r="2.4"/><path d="M12 7.4v4M12 12l-5.2 5M12 12l5.2 5"/></svg></div>
<h4>Node Cluster</h4><p>A bank per board — and scaling.</p>
</div>
</div>
</div>
</section>
<section class="board" id="board">
<div class="wrap">
<div class="head-row">
<div class="eyebrow">The Board</div>
<h2>One board. <span class="red">A wall of radios.</span></h2>
<p class="lead-p">The heart of HellzGate C5 is a custom multi-node carrier I designed from scratch in KiCad. It carries a master and a full bank of ESP32-C5 scanner nodes side by side, wires them together on a dedicated backplane, and powers the whole array from a single USB-C port. No rat's nest of jumper wires — just one clean board doing the job it was drawn to do, with room to scale the cluster past a single board.</p>
</div>
<div class="board-main">
<ul class="board-list">
<li><b>A master + a full bank of scanner nodes</b> on one PCB — every node an ESP32-C5 with dual-band 2.4 / 5 GHz Wi-Fi and Bluetooth LE, and the cluster scales past a single board.</li>
<li><b>Wired I²C backplane</b> so the nodes talk over dedicated traces and every radio stays free for capture instead of chatter.</li>
<li><b>microSD and an always-on OLED</b> for live status — hits, temps, node health — right on the device.</li>
<li><b>Single USB-C in</b> feeds power distribution across the whole array. One cable, ten radios awake.</li>
<li><b>Antenna ports broken out</b> along the edge and a custom enclosure designed around the board — cooling, ports, and screen all lined up.</li>
<li><b>Passive and listen-only</b> by design. It watches the air; it never transmits into it.</li>
</ul>
<div class="shot">
<img src="board_top.jpg" alt="HellzGate C5 red PCB fully populated — master node, ESP32-C5 scanner nodes, microSD and USB-C on one custom carrier">
<div class="cap"><b>Fully populated</b> — the master, the node bank, microSD and USB-C laid out on one carrier</div>
</div>
</div>
<div class="board-sub">
<div class="shot">
<img src="case_ext.jpg" alt="HellzGate C5 assembled top-down — all 10 ESP32-C5 nodes populated on the red PCB">
<div class="cap"><b>Fully loaded</b> — every node slot filled, board ready to scan</div>
</div>
<div class="avail" style="align-self:center">
<div class="t">Availability</div>
<p>The first production boards just landed on my bench. HellzGate C5 isn't for sale yet — I'm bringing up hardware, firmware, and the companion app in phases. Builds and availability will follow. Want first word? <a href="#notify" class="red" style="font-weight:600">Follow the build.</a></p>
</div>
</div>
</div>
</section>
<section class="gallery" id="gallery">
<div class="wrap">
<div class="eyebrow" style="text-align:center">Up Close</div>
<h2 style="text-align:center">The gate, from every angle.</h2>
<div class="gal-grid">
<div class="shot tall">
<img src="board_persp.jpg" alt="HellzGate C5 marketing render — board with iPhone 16 Pro for scale, HellzGate C5 branding, 10-node passive wireless survey array">
<div class="cap"><b>HellzGate C5</b> — 10-node passive wireless survey array. 155 × 55mm.</div>
</div>
<div class="oled-card">
<img src="oled.jpg" alt="The HellzGate C5 OLED status screen showing temperature, Wi-Fi and BLE hit counts, GPS and SD status, and node health dots">
<div class="cap"><b>Live at a glance</b> — Wi-Fi & BLE counts, GPS / SD status, per-node health, always on</div>
</div>
</div>
</div>
</section>
<section class="journey" id="journey">
<div class="wrap">
<div class="eyebrow">The Journey</div>
<h2>From a random thought to <span class="red">boards in hand.</span></h2>
<p class="lead-p">HellzGate didn't start in a lab. It started as an itch — I wanted to actually see the wireless world around me, and one little radio was never going to be enough. So I sketched a box full of them and started building. Here's how it went.</p>
<div class="timeline">
<div class="tl">
<div class="when">The Spark</div>
<div>
<h3>A random thought</h3>
<p>What if instead of one radio sniffing the air, I had a whole cluster of them working together — each one on its own channel, all reporting back to one place? One radio shows you a keyhole. I wanted the whole door.</p>
</div>
</div>
<div class="tl">
<div class="when">The Doodle</div>
<div>
<h3>A scrap paper sketch</h3>
<p>It started as a scribble — a rectangle, a row of little boxes for the nodes, arrows pointing to a "brain," and a screen on the front. That doodle is basically the layout the board still uses today. Sometimes the dumb-looking sketch is the whole plan.</p>
</div>
</div>
<div class="tl">
<div class="when">The Mess</div>
<div>
<h3>The breadboard era</h3>
<p>Next came the sprawling prototype — a pile of modules, a spider-web of jumper wires, and way more nodes than any breadboard should hold. Ugly, held together by stubbornness, but it <em>worked</em>. It proved the whole idea: a master herding a bank of nodes really could scan wide and log clean.</p>
</div>
</div>
<div class="tl">
<div class="when">The Board</div>
<div>
<h3>Turning the mess into a PCB</h3>
<p>I taught myself enough KiCad to turn that rat's nest into a real, custom board — power distribution, the I²C backplane, the node bank, microSD, and the OLED, all laid out on one carrier. Then I modeled a case around it so the ports, vents, and screen actually lined up.</p>
</div>
</div>
<div class="tl">
<div class="when">Now</div>
<div>
<h3>Real hardware, firmware in motion</h3>
<p>The first boards are on my bench. Firmware is being written from scratch for this exact hardware — ground-up, purpose-built, nothing borrowed. The companion app is in active development and entering Phase 1. My board, my code, my roadmap — shipped in phases as each piece is ready and right.</p>
</div>
</div>
<div class="tl">
<div class="when">Next</div>
<div>
<h3>v2 and the app</h3>
<p>v2 hardware is actively in development — embedded GPS, battery + USB-C, digital power control, smaller and field-ready. The companion app is in Phase 1. More nodes, smarter detections, one-tap presets, and clean exports on the way. The gate is only getting sharper — follow every step on Discord.</p>
</div>
</div>
</div>
<div class="journey-shot">
<div class="shot">
<img src="case_ext.jpg" alt="HellzGate C5 assembled and fully populated — from scrap paper sketch to a real working board">
<div class="cap"><b>Where it landed</b> — from a scrap paper doodle to a board you can hold</div>
</div>
</div>
</div>
</section>
<section class="cta" id="notify">
<div class="wrap">
<div class="eyebrow" style="text-align:center">Stay in the Loop</div>
<h2>Follow the build.</h2>
<p>Watch the repo for commits, firmware drops, and availability. Hit the Discord for the conversation.</p>
<div style="display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:8px">
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</a>
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</a>
</div>
</div>
</section>
<footer>
<div class="wrap">
<div class="foot-logo">HELLZGATE <span class="c5">C5</span></div>
<div class="built-by">Designed & built by <span class="red">Hellz</span> · Sean Clossey</div>
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<a href="https://github.com/Hellz0wnzJ00" target="_blank" rel="noopener" aria-label="GitHub" title="GitHub">
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<p class="disclaimer">HellzGate C5 is for educational and research purposes only. Not for use in any illegal activities. Passive, listen-only. You are responsible for lawful operation and compliance with applicable privacy and data-protection laws.</p>
<div class="foot-meta">© 2026 HellzGate · Sean Clossey · The gate is getting fangs ☠</div>
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