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hafizradzi8901/README.md

Hi, I'm Hafiz 👋

Mechatronics Engineer who codes across the stack — from 1.58-bit LLM training kernels to industrial IoT gateways to 3D web apps. I'm happiest in software and ML, with hardware/embedded depth from the mechatronics side (electronics, PLCs, sensors, real-time control).

I learn by building hard things end to end. The projects below are self-driven: from-scratch deep learning, reinforcement learning, computer vision, and full-stack web — most built and debugged on a single 8GB consumer GPU.

🔧 Featured projects

Project What it is Stack
bitnet-rwkv-lm A 0.15B-param RWKV-7 language model with BitNet 1.58-bit ternary weights, trained from scratch on an 8GB GPU — QAT, 2-bit packing, RFT fine-tuning, local chat app PyTorch, CUDA, quantization
spiking-ff-jepa A backprop-free learning study: spiking (LIF) neurons + Hinton's Forward-Forward + JEPA + int4 QAT, with a full ablation notebook and an honest negative result PyTorch, Norse
ai-fastener-inspection Edge-deployable machine vision for automotive fastener inspection (Fastener-YOLO) with a full ablation study and reproducibility scripts Python, YOLO, Jetson
kalman-lstm-ppo-trader An uncertainty-aware RL trader: a custom Kalman-LSTM cell feeding a RecurrentPPO agent, with Neural-ODE & Fourier-Neural-Operator ablations PyTorch, stable-baselines3
circuit-idle (live demo) An F1-themed idle game with a pure, fully-tested simulation engine and a Three.js dashboard TypeScript, Svelte, Three.js

🏭 Experience — Industrial IoT (internship)

Hands-on industrial automation and IIoT integration (proprietary work, not public):

  • Fieldbus & protocols: PLC integration over RS485 / Modbus; reverse-engineered an Omron proprietary serial protocol by traffic sniffing.
  • IIoT stack: MQTT telemetry into ThingsBoard dashboards; Advantech WISE-4060 I/O modules; deployment of MIMOS WISP (Wireless Industrial Sensor Platform).
  • Tooling: built custom SDKs/adapters to bridge legacy industrial equipment to modern IoT.

🧰 Skills

Languages: Python · TypeScript/JavaScript · C/C++ · (embedded) C ML/DL: PyTorch · quantization-aware training · reinforcement learning · computer vision · SNNs Systems: CUDA-constrained training · data pipelines · model inference & packing Web: Svelte · Three.js/WebGL · Vite · CI/CD (GitHub Actions) Hardware/Embedded: PLCs · RS485/Modbus · MQTT · IIoT gateways · sensors & real-time control

📫 Reach me

Mechatronics × software. Always shipping something.

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  1. ai-fastener-inspection ai-fastener-inspection Public

    AI-driven machine vision for screws and nuts inspection on automotive bracket sub-assemblies. Edge-deployable Fastener-YOLO with full ablation study and reproducibility scripts.

    Python

  2. bitnet-rwkv-lm bitnet-rwkv-lm Public

    From-scratch 0.15B BitNet 1.58-bit (ternary) RWKV-7 LLM trained on an 8GB GPU — QAT, 2-bit packing, RFT, local chat app.

    Python 1

  3. circuit-idle circuit-idle Public

    F1-themed idle game with a pure, fully-tested TypeScript engine + Three.js dashboard. Live demo included.

    TypeScript

  4. kalman-lstm-ppo-trader kalman-lstm-ppo-trader Public

    Uncertainty-aware RL trader: a custom Kalman-LSTM cell feeding RecurrentPPO, with Neural-ODE & Fourier-Neural-Operator ablations.

    Python

  5. spiking-ff-jepa spiking-ff-jepa Public

    Backprop-free learning study: spiking (LIF) neurons + Forward-Forward + JEPA + int4 QAT, with a full ablation notebook.

    Python