Randhana.com

Projects

Drowning Detection System

Drowning Detection System

Introducing a drowning detection system designed to detect and alert when someone is in danger of drowning. This system uses computer vision algorithms to analyze video feeds from multiple cameras around a pool or other bodies of water.

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Building a Li-Fi Text Communication System

Building a Li-Fi Text Communication System

Li-Fi (Light Fidelity) is a wireless communication technology that utilizes light waves to transmit data. Unlike traditional Wi-Fi that uses radio waves, Li-Fi leverages visible light, ultraviolet, and infrared spectrums for data transmission. The technology works by rapidly modulating the intensity of LED lights - changes so quick that they're imperceptible to the human eye.

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Production-Grade Secure Authentication API

Production-Grade Secure Authentication API

Enterprise-level REST authentication API built with Node.js, TypeScript, PostgreSQL, and Redis. Features JWT with refresh token rotation, RBAC, rate limiting, comprehensive security headers, audit logging, and automated CI/CD deployment. Implements security-first design principles with threat mitigation strategies and Clean Architecture patterns. Live API with full documentation available.

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