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  <title>Projects — Ertunç Özbay</title>
  <meta name="description" content="Hardware and software engineering projects by Ertunç Özbay: ESP32-S3 Multi-Functional RC Controller, ESP32 16-Track MIDI Breadboard Instrument, 4WD Autonomous Vehicle, and Point Blank Linux Launcher in Rust.">
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          Ertunç Özbay
          <span class="brand-subtitle">embedded // hardware // open-source</span>
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        <span class="workshop-eyebrow">⚡ PROJECT SHOWCASE // VERIFIED BUILDS &amp; REPOSITORIES</span>
        <h1 id="projects-heading"><span class="gradient-title">Engineering Projects &amp; Open-Source Builds</span></h1>
        <p class="hero-lead">
          Every project documented here is backed by real hardware on my bench or shipped open-source code on my GitHub—complete with verified pinouts, schematics, build photos, and dedicated slots for upcoming <strong>YouTube Proof-of-Concept (PoC) demonstration videos</strong>.
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            <span class="section-label">Active Hardware &amp; Software Portfolio</span>
            <h2 id="project-list-heading">All Projects (4)</h2>
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          <!-- Project 1: Multi-Functional RC Controller -->
          <article class="card card-amber">
            <div class="card-top">
              <div class="card-meta">
                <span class="badge badge-progress">Rev 0.1 Built → Phase 2 Console</span>
                <span>Project 01 • Embedded Hardware</span>
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              <h3><a href="multi-functional-controller.html">Multi-Functional RC Controller (MFC)</a></h3>
              <p>
                A custom 2.4 GHz wireless remote controller and multi-purpose embedded console built around the <strong>ESP32-S3-N16R8</strong> and <strong>nRF24L01+ PA+LNA</strong> transceiver. Currently built as an early Rev 0.1 perfboard carrier and transitioning into a <strong>DT-100 (190×137×59 mm) desktop console</strong> with dual K-Silver Hall-effect gimbals and a 1.3" ST7789 IPS TFT display.
              </p>

              <ul class="tag-list" aria-label="Confirmed technologies for Multi-Functional RC Controller">
                <li><span class="tag tag-esp">ESP32-S3-N16R8</span></li>
                <li><span class="tag tag-c">ESP-IDF v5.2.2 (C99)</span></li>
                <li><span class="tag tag-hw">nRF24L01+ 2.4 GHz RF</span></li>
                <li><span class="tag tag-hw">Hall-Effect Joysticks</span></li>
                <li><span class="tag tag-synth">ST7789 TFT + MicroSD</span></li>
                <li><span class="tag tag-python">KiCad Schematic</span></li>
              </ul>

              <div class="project-notes">
                <p><strong>Includes on page:</strong> 3 early prototype build photos, full KiCad SVG schematic, verified ESP32-S3 GPIO pinout, Phase 2 DT-100 BOM, and <strong>🎬 YouTube PoC Video Placeholder</strong>.</p>
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              <a class="btn btn-primary" href="multi-functional-controller.html">Read Page &amp; PoC Video</a>
              <a class="btn btn-secondary" href="https://github.com/ertunc-ozbay/multi-functional-controller" rel="noopener noreferrer">GitHub Repo</a>
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          <!-- Project 2: MIDI Breadboard Instrument -->
          <article class="card card-synth">
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                <span class="badge badge-experimental">Active Breadboard Synth</span>
                <span>Project 02 • Audio &amp; Dual-Core RTOS</span>
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              <h3><a href="midi-breadboard-instrument.html">MIDI Breadboard Instrument — Desk Rave 16-Track Symphony</a></h3>
              <p>
                A standalone dual-core <strong>ESP32 MIDI synthesizer, drum sequencer, and 30 FPS SPI OLED visualizer</strong> programmed in ESP-IDF v5.2.2, paired with a custom <strong>Python Run-Length Encoding (RLE) MIDI-to-C compiler</strong> (<code>midi_to_c.py</code>) driving a passive melody buzzer, two active drum buzzers, LEDs, and a hardware PCNT rotary encoder.
              </p>

              <ul class="tag-list" aria-label="Confirmed components for MIDI Breadboard Instrument">
                <li><span class="tag tag-esp">ESP32 Dual-Core (160 MHz)</span></li>
                <li><span class="tag tag-python">Python RLE Compiler</span></li>
                <li><span class="tag tag-synth">16-Track Flash Symphony</span></li>
                <li><span class="tag tag-hw">3x Buzzers (Melody/Kick/Hat)</span></li>
                <li><span class="tag tag-c">1.3" SPI OLED (30 FPS)</span></li>
                <li><span class="tag tag-hw">PCNT Rotary Encoder</span></li>
              </ul>

              <div class="project-notes">
                <p><strong>Includes on page:</strong> 3 high-res breadboard photos, 16-track playlist table, ESP32 pinout, RLE compression architecture, and <strong>🎬 YouTube PoC Video Placeholder</strong>.</p>
              </div>
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            <div class="card-actions">
              <a class="btn btn-primary" href="midi-breadboard-instrument.html">Read Page &amp; PoC Video</a>
              <a class="btn btn-secondary" href="https://github.com/ertunc-ozbay/midi-breadboard-instrument" rel="noopener noreferrer">GitHub Repo</a>
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          <!-- Project 3: RC and Autonomous Vehicle -->
          <article class="card card-emerald">
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              <div class="card-meta">
                <span class="badge badge-active">In Progress</span>
                <span>Project 03 • Robotics &amp; Control</span>
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              <h3><a href="rc-autonomous-vehicle.html">RC and Autonomous 4WD Vehicle</a></h3>
              <p>
                An ongoing 4WD robotic vehicle platform exploring manual 2.4 GHz RF remote control (paired with the Multi-Functional Controller) alongside autonomous obstacle avoidance, motor driver electronics, and real-time control logic.
              </p>

              <ul class="tag-list" aria-label="Confirmed focus areas for RC and Autonomous Vehicle">
                <li><span class="tag tag-hw">4WD Vehicle Platform</span></li>
                <li><span class="tag tag-esp">2.4 GHz RF Receiver Link</span></li>
                <li><span class="tag tag-c">Autonomous Control Logic</span></li>
                <li><span class="tag tag-hw">Power &amp; Motor Electronics</span></li>
              </ul>

              <div class="project-notes">
                <p><strong>Includes on page:</strong> System scope, manual-to-autonomous control transition notes, and <strong>🎬 YouTube PoC Video Placeholder</strong>.</p>
              </div>
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            <div class="card-actions">
              <a class="btn btn-primary" href="rc-autonomous-vehicle.html">Read Page &amp; PoC Video</a>
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          </article>

          <!-- Project 4: Point Blank Linux Launcher -->
          <article class="card card-coral">
            <div class="card-top">
              <div class="card-meta">
                <span class="badge badge-coral">v1.0.0 Shipped</span>
                <span>Project 04 • Rust &amp; Linux Systems</span>
              </div>
              <h3><a href="pointblank-linux.html">Point Blank on Linux — Standalone Community Launcher</a></h3>
              <p>
                A self-contained Linux desktop launcher written in <strong>Rust</strong> that runs Point Blank (Zepetto / TAM Game) on Arch, Ubuntu, and Fedora with 100% unmodified official CheatBlocker anti-cheat, automated Wine prefix &amp; Winetricks provisioning (<code>vcrun2022</code>, <code>d3dx11_43</code>), and 200 FPS DirectX 9 / DirectX 11 borderless fullscreen support.
              </p>

              <ul class="tag-list" aria-label="Confirmed technologies for Point Blank Linux Launcher">
                <li><span class="tag tag-rust">Rust</span></li>
                <li><span class="tag tag-c">Wine / DirectX 9 &amp; 11</span></li>
                <li><span class="tag tag-python">16-Byte TLS Runtime</span></li>
                <li><span class="tag tag-hw">Arch / Debian / Fedora</span></li>
              </ul>

              <div class="project-notes">
                <p><strong>Includes on page:</strong> Architecture overview, Wine prefix automation breakdown, release links, and <strong>🎬 YouTube PoC Video Placeholder</strong>.</p>
              </div>
            </div>

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              <a class="btn btn-primary" href="pointblank-linux.html">Read Page &amp; PoC Video</a>
              <a class="btn btn-secondary" href="https://github.com/ertunc-ozbay/pointblank-linux" rel="noopener noreferrer">GitHub Repo</a>
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