I design embedded hardware, write bare-metal C & FreeRTOS firmware, and build open-source systems from the transistor level up to Linux desktop tooling.
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 ESP32-S3 2.4 GHz Multi-Functional RC Console and Dual-Core ESP32 16-Track MIDI Synthesizer to my 4WD Autonomous Vehicle and Standalone Linux Game Launcher written in Rust.
A handheld 2.4 GHz wireless transmitter and embedded control console powered by an ESP32-S3-N16R8 (16 MB Flash / 8 MB Octal PSRAM), nRF24L01+ PA+LNA RF transceiver, dual K-Silver Hall-effect gimbals, and shared SPI2 1.3" ST7789 IPS TFT + MicroSD bus.
A standalone dual-core ESP32 MIDI synthesizer, drum sequencer, and 30 FPS SPI OLED visualizer with a custom Python RLE MIDI-to-C compiler (midi_to_c.py), hardware PCNT rotary encoder, passive melody piezo, and dual active drum buzzers.
An all-in-one standalone Linux desktop launcher written in Rust that runs Point Blank (Zepetto / TAM) on Linux with 100% unmodified official CheatBlocker anti-cheat, automated Wine prefix provisioning, and DirectX 9 / DirectX 11 support.
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.
# 1. ESP32-S3 Multi-Functional Controller (ESP-IDF v5.2.2)
git clone https://git.ertuncozbay.dev/ertunc-ozbay/multi-functional-controller.git
cd multi-functional-controller/firmware && source ~/esp/esp-idf/export.sh && idf.py build
# 2. ESP32 16-Track MIDI Breadboard Synthesizer & Python RLE Compiler
git clone https://git.ertuncozbay.dev/ertunc-ozbay/midi-breadboard-instrument.git
cd midi-breadboard-instrument && python3 scripts/midi_to_c.py scripts/midillis/Alla_Turca/Alla_Turca.mid
# 3. Point Blank Linux Standalone Launcher (Download Pre-Compiled x86_64 Release)
curl -L -O https://ertuncozbay.dev/assets/downloads/pointblank-linux-v1.0.0-linux-x86_64.tar.gz
tar -xzf pointblank-linux-v1.0.0-linux-x86_64.tar.gz && cd pointblank-linux-v1.0.0-linux-x86_64 && ./pointblank-linuxFrom 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.
Explore my active breadboard tests, RLE MIDI-to-C compression algorithms, hardware protection fixes, and reverse-engineering study notes.
Reach out directly via email at ertunc.ozbay@outlook.com, LinkedIn, or my self-hosted Git server to discuss embedded systems, electronics, or open-source builds.