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javierrayhan/README.md

🧭 Welcome, Explorer! I'm Javier.

I'm a frontend developer with a strong passion for embedded systems and hardware tinkering. Currently, I'm on a continuous journey to deepen my expertise, both in modern web technologies and low-level embedded development.

Wanna see more of what I'm building (or breaking)?
You can get to know me better at my personal website.


📌 Bio at a Glance

Student at

Telkom University, Bandung (Informatics)

Focus

IoT, Embedded Systems, Frontend Development, BLE Keyboards, AI

Tech Stack

Software Used

VSCode Vercel Cloudflare Arduino PlatformIO Notion Figma Darktable Fusion360 EasyEDAPro

Hobby

Playing violin, experimenting with electronics, building things that shouldn’t work (but sometimes do), photography


🌐 My Digital Stations

PORTOFOLIO
This is my personal website, you’ll find my portfolio, latest projects, contact links, and more in one spot!
🔗 Click for visit
DOCUMENTATION I maintain a dedicated project site where I document my builds, experiments, and ideas in detail.
🔗 Click for visit

🤝 Connect With Me

If you're building something, learning something, or just vibing, ping me.

Instagram LinkedIn X Email


🧰 What I’m Building

Here’s a peek into the stuff I’ve been obsessing over lately:

A custom BLE HID macro pad powered by ESP32, featuring 7 tactile keys and a rotary encoder, with seamless switching between 7 user-defined layers for advanced input control.

A bare-metal minimalist CLI OS, communicating over UART, packed into just 32KB flash. Features include pin I/O control, I2C scanner, real-time clock, and a simple user management system, all without an RTOS.

A dedicated web app for the Qurban community in my village for helping participants keep track of their savings, view contribution history, and manage their qurban preparations in a transparent, user-friendly way.

An AI-powered Markdown editor designed for modern creators, featuring multi-tab navigation, intelligent assistance, and a real-time preview panel that helps you focus on content without distractions.


Here's my Contribution Snake Pet

Snake animation

Just in case you want to support me and my Contribution Snake Pet.
PayPal

Pinned Loading

  1. Atmega328-168-8-Heat-plate Atmega328-168-8-Heat-plate Public

    DIY Heat Plate for SMD Soldering

    C 1

  2. kato-macro-esp32 kato-macro-esp32 Public

    KATO Macro (under development)

    C++

  3. elena_cli-os elena_cli-os Public

    Atmega32 CLI OS

    C

  4. optisense64 optisense64 Public

    C++