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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>Embedded Linux Medical Device Software | IEC 62304 | Kernel IIO | Zephyr RTOS | ROS 2</title>
<meta name="description" content="Open-source embedded software for regulated medical devices. Linux kernel IIO biosensor drivers, Zephyr RTOS, IEC 62304 Class B lifecycle documentation, and ROS 2 integration.">
<meta property="og:title" content="Embedded Linux & Medical Device Software Engineering">
<meta property="og:description" content="Mainline Linux kernel patches, Zephyr RTOS drivers, and ROS 2 pipelines — with full IEC 62304 Class B lifecycle documentation.">
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<meta property="og:url" content="https://kernel-medical.github.io/">
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h1{font-size:36px}
.exp-grid,.case-grid{grid-template-columns:1fr}
.metrics-grid{grid-template-columns:repeat(2,1fr)}
.mini-pipe{flex-direction:column;gap:10px}
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.doctor h2{left:20px}
.doctor .chip{right:20px}
.doctor .contact{left:20px;bottom:100px}
}
</style>
</head>
<body>
<nav>
<div class="brand"><b>kernel-medical</b><span>.github.io</span></div>
<div class="links">
<a href="#stack">Stack</a><a href="#case">Projects</a><a href="#stack">Sensors</a><a href="#metrics">Patches</a><a href="#case">IEC 62304</a><a href="#contact">About</a>
<a href="https://www.linkedin.com/in/mdshofiqul/" target="_blank" rel="noopener" style="color:var(--blue)">LinkedIn</a>
</div>
<div class="avail"><i></i>OPEN TO OPPORTUNITIES</div>
</nav>
<div class="hero">
<div class="wrap hero-grid">
<div>
<h1>Embedded Linux & Medical Device Software Engineering</h1>
<div class="hero-sub">Bridging the gap between open-source innovation and strict IEC 62304 compliance. I deliver auditable, mainline Linux kernel patches, Zephyr RTOS drivers, and ROS 2 acquisition pipelines for Class B medical devices.</div>
<div class="cta-row">
<a class="btn primary" href="mailto:shofiqtest@gmail.com">OPEN TO OPPORTUNITIES (EU)</a>
<a class="btn ghost" href="resume.pdf">VIEW RESUME (PDF)</a>
</div>
<div class="first-badge">⟳ ADS1299 EEG/EMG — first upstream Linux kernel driver, under review on linux-iio</div>
</div>
<div class="hero-img">
<div class="ph">
<img src="images/hero-pcb.jpg" alt="STM32 development board with biosensor breakout" decoding="async">
</div>
<div class="tag">STM32MP157 · ADS1299 · MAX86150</div>
</div>
</div>
</div>
<section class="explorer" id="stack">
<div class="wrap">
<div class="sec-head">
<h2>Interactive Biosignal Explorer</h2>
<select id="animSel" style="margin-left:auto">
<option value="animated">Animated</option>
<option value="static">Static</option>
</select>
</div>
<div class="exp-grid">
<div>
<div class="sig active" data-sig="eeg">ADS1299 EEG (Simulated)</div>
<div class="sig" data-sig="ecg">MAX86150 ECG</div>
<div class="sig" data-sig="ppg">MAX30102 PPG / SpO₂</div>
<div class="sig-note">Simulated signal · kernel DMA ring buffer → epoll → typed ROS 2 topic</div>
</div>
<div class="scope" id="scope">
<div class="ch-row"><div class="lbl">Channel 1</div><div class="ch-win"><div class="ch-scroll"><svg viewBox="0 0 2400 56" preserveAspectRatio="none" style="width:100%;height:100%;display:block"><polyline id="ch0" fill="none" stroke="#f5a05b" stroke-width="1.5"/></svg></div></div></div>
<div class="ch-row"><div class="lbl">Channel 2</div><div class="ch-win"><div class="ch-scroll"><svg viewBox="0 0 2400 56" preserveAspectRatio="none" style="width:100%;height:100%;display:block"><polyline id="ch1" fill="none" stroke="#f5c05b" stroke-width="1.5"/></svg></div></div></div>
<div class="ch-row"><div class="lbl">Channel 3</div><div class="ch-win"><div class="ch-scroll"><svg viewBox="0 0 2400 56" preserveAspectRatio="none" style="width:100%;height:100%;display:block"><polyline id="ch2" fill="none" stroke="#f58a6b" stroke-width="1.5"/></svg></div></div></div>
<div class="axis"><span>0</span><span>5000</span><span>10000</span><span>15000</span></div>
</div>
</div>
<div class="mini-pipe">
<div class="mini-node" style="border:1.5px solid #f59e5b;background:#f59e5b14;color:#f5b57b">ADS1299 SPI</div>
<div class="mini-link" style="background:linear-gradient(90deg,#f59e5b,#5ba8f5)"></div>
<div class="mini-node" style="border:1.5px solid #5ba8f5;background:#5ba8f514;color:#8cc4ff">IIO Buffer</div>
<div class="mini-link" style="background:linear-gradient(90deg,#5ba8f5,#4ade80)"></div>
<div class="mini-node" style="border:1.5px solid #4ade80;background:#4ade8014;color:#7cebaa">ros2_iio_medical</div>
</div>
</div>
</section>
<section id="metrics">
<div class="wrap">
<h2>Metrics</h2>
<div class="metrics-grid">
<div class="metric"><div class="n">11</div><div class="l">Patches in mainline</div></div>
<div class="metric"><div class="n">3</div><div class="l">Drivers</div></div>
<div class="metric"><div class="n">5+</div><div class="l">Years embedded</div></div>
<div class="metric"><div class="n">CE</div><div class="l">Class IIb delivered</div></div>
</div>
</div>
</section>
<section class="case" id="case">
<div class="wrap">
<div class="sec-head">
<h2>End-to-End Case Study Explorer</h2>
<div class="sec-note">FMEA · Traceability · Audit trail</div>
</div>
<div class="case-grid">
<div>
<div class="pipe-title">Production Pipeline</div>
<div id="pipeline"></div>
</div>
<div class="panel">
<div class="panel-head"><span id="panelTitle">STM32MP157 A7 Linux</span><span style="margin-left:auto;color:#5c6d78">×</span></div>
<div class="panel-body">
<div class="kicker">Architecture</div>
<div class="arch">
<div class="an"><div style="border-color:#f59e5b">ADS1299 / MAX86150 (sensor)</div><span>↓</span></div>
<div class="an"><div style="border-color:#5ba8f5">M4 · Zephyr (SPI DMA)</div><span>↓</span></div>
<div class="an"><div style="border-color:#5ba8f5">OpenAMP RPMsg</div><span>↓</span></div>
<div class="an"><div style="border-color:#4ade80">A7 Linux · IIO buffer</div><span>↓</span></div>
<div class="an"><div style="border-color:#b98cff">ROS 2 node → Medical app</div></div>
</div>
<div class="snip-head">
<div class="kicker" style="margin:0">Patch snippet</div>
<button class="copy-btn" id="copyBtn">Copy</button>
</div>
<pre id="snippet"><span class="hl">iio: health: max86150:</span> add ECG+PPG driver
<span class="add">+ static int max86150_probe(struct i2c_client *client)
+ {
+ struct iio_dev *indio_dev;
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*data));</span></pre>
<div class="kicker" style="margin:22px 0 10px">Generated documents</div>
<div class="docs">
<a href="https://github.com/kernel-medical/ros2_iio_medical" target="_blank" rel="noopener">SDP — Software Development Plan ↗</a>
<a href="https://github.com/kernel-medical/iec62304-embedded-drivers" target="_blank" rel="noopener">SCMP — Software Configuration Management Plan ↗</a>
</div>
</div>
</div>
</div>
</div>
</section>
<section class="doctor" id="contact">
<div class="ph">
<img src="images/robot.jpg" alt="Surgeon operating a robotic surgical system" loading="lazy" decoding="async">
</div>
<div class="scrim"></div>
<h2>From Driver to Doctor</h2>
<div class="chip">Low-latency ADS1299 EEG data — mainline driver → ROS 2 topic</div>
<div class="contact">
<a href="mailto:shofiqtest@gmail.com">
<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
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