Aravind Kumar GS

STM32 Peripheral Driver Suite

Problem: most embedded intros stop at HAL calls. I wanted to know what a HAL function actually does underneath.

Built four peripheral drivers — GPIO, SPI, I2C, USART — entirely through direct register programming on an STM32F407G-DISC1 (ARM Cortex-M4), with zero HAL. Implemented both polling and interrupt-driven modes, hand-configuring NVIC, EXTI, and RCC registers.

Nand2Tetris — A Computer from First Principles

Problem: understand what actually happens between a NAND gate and a running program, with nothing taken on faith.

Built a complete computer system bottom-up — ALU, CPU, memory hierarchy, assembler, VM translator, compiler, and a simple OS — starting from a single NAND gate.

100% on Part I · 93.6% on Part II — Coursera, Hebrew University of Jerusalem

CRM Application (MERN Stack)

Problem: give a small sales team one place to track client data and customer interactions.

Full-stack CRM system with CRUD operations and REST APIs for managing client records, built as part of the IBM Naan Mudhalvan (TN Skill Development Initiative) virtual internship with AdroIT Technologies.

Task Manager REST API

Problem: ship a production-style task API, not just a CRUD toy.

Built with full CRUD, filtering, sorting, search, pagination, and centralized error handling — one of four projects completed during the Decode Labs internship, which led to a Certificate of Completion and a Letter of Recommendation.

Student Management System

Problem: replace manual record-keeping for student registrations and academic data with a proper application.

Full-stack application for managing student records and academic data, combining a Java application layer with Python tooling on a MySQL backend.