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< title > Ertunç Özbay — Embedded Systems, Hardware Lab & Open-Source Projects< / title >
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< span class = "brand-mark" aria-hidden = "true" > EÖ< / span >
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Ertunç Özbay
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< span class = "brand-subtitle" > embedded // hardware // open-source< / span >
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< li > < a class = "nav-link" href = "index.html" aria-current = "page" > Home< / a > < / li >
< li > < a class = "nav-link" href = "about.html" > About< / a > < / li >
< li > < a class = "nav-link" href = "projects/index.html" > Projects< / a > < / li >
< li > < a class = "nav-link" href = "blog/index.html" > Blog< / a > < / li >
< li > < a class = "nav-link" href = "lab.html" > Lab< / a > < / li >
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< span class = "workshop-eyebrow" > ⚡ ELECTRICAL & ELECTRONICS ENGINEERING // OPEN WORKBENCH< / span >
< h1 id = "hero-heading" > < span class = "gradient-title" > Hi, I’ < / span > < / h1 >
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< p class = "hero-lead" >
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I design embedded hardware, write bare-metal C & FreeRTOS firmware, and build open-source systems from the transistor level up to Linux desktop tooling.
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Welcome to my engineering studio and notebook. Here you can inspect my real hardware prototypes, copy build/flash commands, browse source code, and download releases—from my < strong > ESP32-S3 2.4 GHz Multi-Functional RC Console< / strong > and < strong > Dual-Core ESP32 16-Track MIDI Synthesizer< / strong > to my < strong > 4WD Autonomous Vehicle< / strong > and < strong > Standalone Linux Game Launcher written in Rust< / strong > .
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< a class = "btn btn-primary" href = "projects/index.html" > 🚀 Explore Projects, Code & Downloads< / a >
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< a class = "btn btn-cyan" href = "https://git.ertuncozbay.dev/ertunc-ozbay" rel = "noopener noreferrer" > 💻 Git Server (@ertunc-ozbay)< / a >
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< a class = "btn btn-secondary" href = "contact.html" > ✉️ Contact (ertunc.ozbay@outlook.com)< / a >
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< div class = "stats-strip" aria-label = "Workshop highlights" >
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< span class = "stat-value" > 4 Active Builds< / span >
< span class = "stat-label" > ESP32-S3, ESP32, 4WD RC & Linux/Rust< / span >
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< span class = "stat-value" > ESP-IDF v5.2.2< / span >
< span class = "stat-label" > ISO C99, Dual-Core FreeRTOS & KiCad< / span >
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< span class = "stat-value" > 16-Track Synth< / span >
< span class = "stat-label" > Custom Python RLE MIDI-to-C Compiler< / span >
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< span class = "stat-value" > Direct Downloads< / span >
< span class = "stat-label" > Pre-Built Binaries, Firmware & Schematics< / span >
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< span class = "section-label" > 01 // Featured Hardware, Firmware & Software Builds< / span >
< h2 id = "active-builds-heading" > Projects, Commands & Downloads< / h2 >
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< / div >
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< a href = "projects/index.html" > View all project code, commands & PoC videos →< / a >
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<!-- Project 1 -->
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< span class = "badge badge-progress" > Hardware Rev 0.1 → Phase 2 Console< / span >
< span > ESP32-S3 • 2.4 GHz RF< / span >
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< / div >
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< h3 > < a href = "projects/multi-functional-controller.html" > Multi-Functional RC Controller (MFC)< / a > < / h3 >
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< p >
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A handheld 2.4 GHz wireless transmitter and embedded control console powered by an < strong > ESP32-S3-N16R8< / strong > (16 MB Flash / 8 MB Octal PSRAM), < strong > nRF24L01+ PA+LNA< / strong > RF transceiver, dual < strong > K-Silver Hall-effect gimbals< / strong > , and shared SPI2 < strong > 1.3" ST7789 IPS TFT + MicroSD< / strong > bus.
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< / p >
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< ul class = "tag-list" aria-label = "Technologies" >
< li > < span class = "tag tag-esp" > ESP32-S3-N16R8< / span > < / li >
< li > < span class = "tag tag-c" > ESP-IDF C99< / span > < / li >
< li > < span class = "tag tag-hw" > nRF24L01+ 2.4GHz< / span > < / li >
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< li > < span class = "tag tag-python" > KiCad Schematic< / span > < / li >
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< div class = "card-actions" >
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< a class = "btn btn-primary" href = "projects/multi-functional-controller.html" > Code, Commands & PoC Video< / a >
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< a class = "btn btn-emerald" href = "/assets/downloads/multi-functional-controller.zip" > ⬇ Download ZIP< / a >
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< a class = "btn btn-secondary" href = "https://git.ertuncozbay.dev/ertunc-ozbay/multi-functional-controller" rel = "noopener noreferrer" > Git Server< / a >
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< / article >
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<!-- Project 2 -->
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< span class = "badge badge-experimental" > Active Prototype< / span >
< span > Dual-Core ESP32 • Audio & UI< / span >
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< / div >
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< h3 > < a href = "projects/midi-breadboard-instrument.html" > MIDI Breadboard Instrument (Desk Rave 16-Track Symphony)< / a > < / h3 >
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< p >
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A standalone dual-core < strong > ESP32 MIDI synthesizer, drum sequencer, and 30 FPS SPI OLED visualizer< / strong > with a custom < strong > Python RLE MIDI-to-C compiler< / strong > (< code > midi_to_c.py< / code > ), hardware PCNT rotary encoder, passive melody piezo, and dual active drum buzzers.
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< / p >
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< ul class = "tag-list" aria-label = "Technologies" >
< li > < span class = "tag tag-esp" > ESP32 Dual-Core< / span > < / li >
< li > < span class = "tag tag-python" > Python RLE Compiler< / span > < / li >
< li > < span class = "tag tag-synth" > 30 FPS SPI OLED< / span > < / li >
< li > < span class = "tag tag-c" > FreeRTOS IPC< / span > < / li >
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< / div >
< div class = "card-actions" >
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< a class = "btn btn-primary" href = "projects/midi-breadboard-instrument.html" > Code, Commands & PoC Video< / a >
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< a class = "btn btn-emerald" href = "/assets/downloads/midi-breadboard-instrument.zip" > ⬇ Download ZIP< / a >
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< a class = "btn btn-secondary" href = "https://git.ertuncozbay.dev/ertunc-ozbay/midi-breadboard-instrument" rel = "noopener noreferrer" > Git Server< / a >
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<!-- Project 3 -->
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< article class = "card card-emerald" >
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< span class = "badge badge-active" > In Development< / span >
< span > Robotics • Control Logic< / span >
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< / div >
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< h3 > < a href = "projects/rc-autonomous-vehicle.html" > RC and Autonomous 4WD Vehicle< / a > < / h3 >
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< p >
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A companion 4WD robotic vehicle platform designed to pair with the 2.4 GHz Multi-Functional Controller while exploring closed-loop motor control, telemetry feedback, and autonomous obstacle-avoidance logic.
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< / p >
< ul class = "tag-list" aria-label = "Technologies" >
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< li > < span class = "tag tag-hw" > 4WD Robotics< / span > < / li >
< li > < span class = "tag tag-c" > Embedded Control< / span > < / li >
< li > < span class = "tag tag-esp" > 2.4 GHz Telemetry< / span > < / li >
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< a class = "btn btn-primary" href = "projects/rc-autonomous-vehicle.html" > Telemetry Structs & PoC Video< / a >
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<!-- Quick Clone & Build Terminal Showcase -->
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< span class = "section-label" > 02 // Quick Terminal Access< / span >
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< h2 id = "quick-cli-heading" > Clone & Build My Embedded Hardware Projects< / h2 >
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< span class = "code-dots" > < span class = "code-dot red" > < / span > < span class = "code-dot amber" > < / span > < span class = "code-dot green" > < / span > < / span >
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bash — Clone & Build ESP-IDF Firmware (Arch Linux / ESP-IDF v5.2.2)
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< button type = "button" class = "copy-code-btn" data-copy-code > 📋 Copy Commands< / button >
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< pre > < code > # 1. ESP32-S3 Multi-Functional Controller (ESP-IDF v5.2.2 + KiCad Schematic)
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git clone https://git.ertuncozbay.dev/ertunc-ozbay/multi-functional-controller.git
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cd multi-functional-controller/firmware & & source ~/esp/esp-idf/export.sh & & idf.py build
# 2. ESP32 16-Track MIDI Breadboard Synthesizer & Python RLE Compiler
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git clone https://git.ertuncozbay.dev/ertunc-ozbay/midi-breadboard-instrument.git
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cd midi-breadboard-instrument & & python3 scripts/midi_to_c.py scripts/midillis/Alla_Turca/Alla_Turca.mid< / code > < / pre >
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< span class = "section-label" > 03 // Inside This Studio< / span >
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< h2 id = "workshop-areas-heading" > How I Approach Engineering< / h2 >
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< span class = "section-label" > Hardware + Software< / span >
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< h3 > Understanding the Whole Stack< / h3 >
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< p >
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From decoupling capacitors, BJT switches, and SPI bus arbitration up to FreeRTOS tasks and Python/Rust tooling—I study how every layer connects so I can take full ownership of what I build.
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< a href = "about.html" > Read my engineering philosophy →< / a >
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< span class = "section-label" > Lab & Bench Notes< / span >
< h3 > The Open Workbench< / h3 >
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< p >
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Explore my active breadboard tests, RLE MIDI-to-C compression algorithms, hardware protection fixes, and reverse-engineering study notes.
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< a href = "lab.html" > Open the Lab Notebook →< / a >
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< span class = "section-label" > Direct Contact< / span >
< h3 > Collaborate & Connect< / h3 >
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< p >
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Reach out directly via email at < code > ertunc.ozbay@outlook.com< / code > , LinkedIn, or my self-hosted Git server to discuss embedded systems, electronics, or open-source builds.
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< a href = "contact.html" > View Contact & Email Details →< / a >
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< strong > Ertunç Özbay< / strong > — Electrical & Electronics Engineering Student • < a href = "mailto:ertunc.ozbay@outlook.com" > ertunc.ozbay@outlook.com< / a >
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< li > < a href = "projects/index.html" > Projects< / a > < / li >
< li > < a href = "blog/index.html" > Blog< / a > < / li >
< li > < a href = "lab.html" > Lab< / a > < / li >
< li > < a href = "contact.html" > Contact< / a > < / li >
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< li > < a href = "https://git.ertuncozbay.dev/ertunc-ozbay" rel = "noopener noreferrer" > Git Server< / a > < / li >
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< li > < a href = "https://www.linkedin.com/in/ertunc-ozbay" rel = "noopener noreferrer" > LinkedIn< / a > < / li >
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