Omar
Khattab

Specialising in Embedded Systems, IoT & Networking. I build ESP32-powered smart systems, enterprise network infrastructure, and software applications in C++, Java & C#. Passionate about hardware-software integration and firmware development.

Skills & Technologies

Programming

C++ Java C# HTML5 CSS3

Embedded & IoT

ESP32 Arduino BLE Firmware Microcontrollers

Networking

CCNA VLANs HSRP DHCP Packet Tracer

Tools & DB

Git SQL Server Unity Arduino IDE

Featured Projects

Hybrid Wireless Home Automation

Designed and built a dual-connectivity smart relay controller on an ESP32 wired to a 4-channel opto-isolated relay module. Supports simultaneous Wi-Fi server control and low-latency BLE fallback with full hardware isolation for safe high-voltage AC appliance control.

ESP32 Wi-Fi BLE C++ Firmware

Enterprise Network Design

Scalable Cisco infrastructure for 72 devices (24 PCs + 48 laptops). Configured VLANs 10/20/30 for traffic isolation, inter-VLAN routing on multilayer switches, HSRP gateway redundancy, EtherChannel link aggregation, and automated DHCP.

CCNA Packet Tracer VLANs HSRP

2D Isometric Game

University team project — a dynamic 2D isometric action game in Unity. Designed hero, demon, and boss characters with custom damage logic. Built gameplay systems: gold chests, hidden keys, locked doors, and a final boss encounter.

Unity C# Game Design

University Management System

Full Java GUI app connected to SQL Server via JDBC. Separate screens for Professors (manage grades, courses, materials) and Students (view GPA, enrollment). Full CRUD on all entities with direct DB access and modular architecture.

Java SQL Server JDBC CRUD

Hospital Management System

Console-based C++ system managing hospital data with linked lists, queues, and stacks. Implemented the linked list module and overall code structure. Collaborated via Git for clean team integration.

C++ Data Structures OOP Git

This Portfolio

Fully responsive personal portfolio built from scratch with semantic HTML5, CSS custom properties, and vanilla JavaScript. Dark aesthetic, smooth scroll, mobile-first layout, and clean typography.

HTML5 CSS3 JavaScript

Volunteering & Activities