WebFeatured ProjectStatus: Live28 Stars

BinaryBotz

Modern, high-performance electronics e-commerce store with curated robotics kits and developer components.

My RoleFull Stack Engineer & UI Designer

Timeline / Duration2 Months

Team StructureSolo Project

THE CORE PROBLEM

Local electronics hobbyists lacked a streamlined portal offering verified DIY robotics components, detailed datasheet downloads, and combined starter kits with pre-flashed sample code.

THE ENGINEERED SOLUTION

Created BinaryBotz to offer verified electronics parts, bundle kits (IoT starter kit, quadcopter beginner kit), and direct datasheet links with one-click ordering.

PRODUCT CAPABILITIES

Key Features & Engineering Highlights

Dynamic component search with multi-parameter filtering (voltage, sensor type, microcontroller)

Interactive Kit Configurator allowing users to customize DIY parts with dynamic price calculation

Secure payment gateway integration with webhooks for automated order confirmation

Admin dashboard for inventory updates, order dispatch tracking, and sales analytics

Technology Stack

ReactNode.jsExpressMongoDBTailwind CSSJWT AuthRazorpay API

SYSTEM DESIGN

Technical Architecture

Full-stack MERN stack application with JWT-secured endpoints, cloud image hosting on Cloudinary, and responsive UI optimized for mobile buyers.

User Interface

Fast, accessible storefront with quick-view modals and checkout progress trackers.

ReactTailwind CSSContext APIAxios

API Server

RESTful API with role-based access control (Admin vs Customer) and order lifecycle state machines.

ExpressNode.jsRazorpay SDKBcrypt

Database

Indexed catalog database supporting full-text queries for part numbers.

MongoDBMongoose Indexes

DEEP DIVE CHALLENGES

Technical Obstacles & Solutions

Payment Webhook Reliability

Problem Encountered:

Network drops during checkout could lead to payment completion without order state mutation.

Engineered Resolution:

Implemented idempotent webhook handlers with signature verification and auto-retry queues.

Measurable Results & Impact

100% test coverage on payment and authentication routes

Sub-1.2s page load speed achieved through static asset optimization and lazy image loading