12+ Production Projects across IoT, Embedded Linux, AI & E-Commerce
Explore our complete engineering portfolio—ranging from automated OpenWrt bKash WiFi hotspot firmware and Armbian Linux cloud print servers to AI-powered Bangla OCR platforms and full-stack Next.js + Flutter ecosystems.
PublicWiFi Automated Hotspot & Reseller Ecosystem
OpenWrt Captive Portal + Automated bKash Payment + Flutter Reseller App
A complete plug-and-play commercial WiFi monetization platform. Custom OpenWrt router firmware intercepts connected users via OpenNDS captive portal, processes instant bKash mobile payments via Supabase Edge Functions, and unlocks high-speed internet access automatically—managed remotely via a Flutter Android Admin App.
Engineering Highlights:
- Built custom `.bin` OpenWrt firmware images requiring zero manual coding by router owners
- Integrated real-time bKash payment verification and automated MAC/voucher authentication
- Developed the PublicWiFi Admin Flutter app for live router telemetry, daily earnings, and instant payouts
SafePrint — Armbian Linux Cloud & Wireless Print Server
TV-Box Linux Print Appliance + Android Agent + Cloudflare Edge Portal
Engineered an ultra-low-cost hardware print server by converting Amlogic quad-core TV boxes into dedicated Armbian Linux CUPS appliances. Users can upload documents from a web portal or Android agent and print directly to any legacy USB printer securely.
Engineering Highlights:
- Engineered automated Armbian Linux + CUPS + Node.js agent setup for 24/7 headless printing
- Built a serverless Cloudflare Worker & Next.js Web Portal for remote print queue dispatching
- Developed companion Android Print Agent for seamless one-tap mobile document printing
Smart Irrigation Pump Controller & Telemetry System
IoT Agricultural Water Pump Automation with Prepaid Mobile Billing
An embedded hardware and cloud control platform designed for agricultural irrigation. Enables farmers and pump operators to remotely trigger, schedule, and monitor high-load water pumps with real-time voltage/current protection and mobile dashboard controls.
Engineering Highlights:
- Custom microcontroller firmware with fail-safe relay interlocking and dry-run protection
- Real-time cloud synchronization and mobile-responsive operator control panel
- Dedicated Flutter admin mobile interface for multi-pump fleet monitoring
Amlogic S905W / TX3 Mini OS Backup & Recovery Dashboard
1-Click USB Streaming Partition Backup, TWRP Automation & ROM Tool
A desktop-web hybrid engineering utility built for hardware technicians to scan, stream-backup, and restore full eMMC partitions (boot, recovery, system, dtb, logo) of Amlogic S905W (`HX3-V2.1`) TV boxes over USB without requiring internal device storage.
Engineering Highlights:
- Zero-storage direct USB streaming backup directly to host PC hard drive with live MB/s speedometer
- Automated portable ADB provisioning and intelligent root / TWRP Recovery mode switching
- Sci-fi real-time cyber terminal logging and partition health verification
Okkhorica — AI Bangla OCR, Converter & Document Studio
Gemini AI-Powered Bangla OCR, PDF-to-Word & Bijoy-Unicode Engine
An all-in-one Bengali document processing SaaS platform featuring high-accuracy AI Optical Character Recognition (OCR) for scanned Bengali PDFs and images, instant Bijoy-to-Unicode bidirectional conversion, and a rich cloud document editor.
Engineering Highlights:
- Integrated Google Gemini multimodal AI (`@google/genai`) for complex Bangla ligature OCR extraction
- Built lossless PDF-to-editable-Word pipeline and real-time Bijoy/Unicode font converter
- Cloudflare R2 / AWS S3 presigned storage architecture with serial-key licensing system
GeminiSub — Serverless Subscription Store & Telegram Bot
100% Serverless E-Commerce on Cloudflare Pages, Workers & D1 SQLite
A high-speed digital subscription and reseller platform running entirely on Cloudflare Edge infrastructure. Combines a modern Next.js web storefront with a full-featured Telegram Bot webhook backend for 1-tap deposit approvals and instant order fulfillment.
Engineering Highlights:
- Engineered zero-cost lifetime edge architecture using Cloudflare D1 SQLite database and Workers
- Implemented 1-click Telegram authentication and automated real-time admin order notifications
- Sub-20ms global API response times across 300+ Cloudflare edge locations
SubFlow AI — Neural TTS Voiceover & Video Sync Pipeline
Automated Gemini Neural Speech Generation & EBU R128 Audio Mastering
A specialized media production suite that synthesizes expressive, studio-grade voiceovers using Google Gemini Speech Generation (`gemini-3.8-flash-tts`), performs automated 48kHz WAV concatenation, EBU R128 loudness normalization, and frame-accurate video remuxing.
Engineering Highlights:
- Dynamic emotion & style prompting per scene for natural human-like narration
- Automated FFmpeg EBU R128 mastering and subtitle/video synchronization pipeline
- Interactive React 19 dark-mode studio interface for script timing and preview
Eferiola — Full-Stack Tech Gadgets & Software Marketplace
Multi-Category Retail Platform for Smart Gadgets & Digital Downloads
A comprehensive e-commerce storefront built for Bangladesh’s tech market, retailing TWS earbuds, smartwatches, power banks, Android apps, and Windows software with real-time cart synchronization, multi-currency support, and instant digital delivery.
Engineering Highlights:
- Server-rendered Next.js catalog with persistent cross-device shopping cart sync via Supabase SSR
- Automated serial number & digital license delivery for software purchases
- Full Google Tag Manager (GTM) & conversion tracking integration for search and social ads
Charu Closet — Fashion E-Commerce & Flutter Admin Suite
Bilingual Next.js Storefront Paired with Dedicated Flutter Admin App
A complete retail ecosystem featuring a high-converting bilingual (English & Bengali) Next.js web store and a dedicated cross-platform Flutter Admin mobile app (`charu_admin`) for inventory control, QR code order scanning, and dispatch management.
Engineering Highlights:
- Seamless real-time sync between the customer web storefront and mobile merchant app
- Built-in QR code generation for invoices and rapid parcel verification
- Google OAuth 2.0 one-tap customer login and automated order status tracking
Mirror of Cure — Comprehensive Homeopathic Medical Suite
Bengali Homeopathic Repertory, Materia Medica & Patient Management App
The first comprehensive Bengali Homeopathic clinical software and Android application. Equips practitioners with searchable repertories, Materia Medica libraries, automated symptom analysis, and digital patient prescription history.
Engineering Highlights:
- Indexed thousands of clinical symptoms and homeopathic remedies for instant offline search
- Complete patient case-taking, prescription history, and medical toolkit in one app
- SEO-optimized web portal with Google Search Console verification and direct APK distribution
Universal Android OTP Auto-Filler & ADB Automation Tool
Portable Windows + Python UIAutomator2 Utility for Restricted Apps
A plug-and-play Windows automation utility that bridges Android phones over USB Debugging to automatically extract incoming SMS OTP codes and populate multi-box PIN/OTP fields in apps that block clipboard pasting or fail to auto-read SMS.
Engineering Highlights:
- Bundled portable ADB with zero Android Studio installation required on host PC
- Intelligent UI hierarchy inspection via `uiautomator2` supporting 6-digit split boxes and standard inputs
- Safe human-in-the-loop verification: populates digits automatically while leaving final confirmation to the user
TypeTales & Utility Tools Hub (Web + Android Capacitor)
Interactive Gamified Keyboard Learning & Cross-Platform Utility Suite
A dual-project suite featuring TypeTales—an interactive gamified typing tutor for students—and Utility Tools Hub, a multi-tool productivity platform packaged as both a responsive web app and a native Android app via Capacitor 7.
Engineering Highlights:
- Real-time WPM, accuracy tracking, and interactive finger-placement lessons in TypeTales
- Hybrid Capacitor 7 Android build pipeline with native filesystem, preferences, and AdMob integration
- Lightweight, zero-latency client-side execution for daily developer and student utilities