All posts by category — engineering stories, project deep-dives, media coverage, and open-source development by Rudra Sarker
Mar 20, 2026
How our team from SUST built a smart glove that translates sign language to speech — and won national and international recognition including Rice360 and SUST Innovation Hub funding.
Read More →Mar 20, 2026
How Team SignTalk became semifinalists at the Rice360 International Health Technology Design Competition, competing against global teams with our assistive glove technology.
Read More →Mar 20, 2026
A technical deep-dive into designing and building SightlineAI — AI-powered wearable eyewear providing real-time environment awareness for people with visual impairments.
Read More →Mar 20, 2026
How I built an interactive 3D science laboratory for STEM education using Three.js and WebGL — making complex scientific concepts explorable for students.
Read More →Mar 23, 2026
How I built ScienceLab 3D — a free, open-source browser-based STEM platform with 40+ interactive 3D experiments in Physics, Chemistry, Biology & Mathematics using Next.js 15, TypeScript, and React Three Fiber.
Read More →Drones hovering, robots moving with perfect grace, and cruise control all rely on PID controllers. Learn how this elegant math enables precise, stable automation everywhere.
Read More →Remember those glowing stickers on old Nokia phones? With no battery, they lit up when a call arrived. Discover how these tiny marvels harvested RF energy.
Read More →Mar 20, 2026
SUST Innovation Hub selected Team SignTalk for pre-seed funding, marking our transition from a student project to a funded startup focused on assistive communication technology.
Read More →Mar 20, 2026
A roundup of all press coverage, media mentions, and recognition milestones for Team SignTalk and Rudra Sarker's engineering journey — from local media to international competitions.
Read More →Mar 20, 2026
The full development story behind MindWell — how we built a privacy-first, open-source mental health platform from scratch, the technical decisions made, and what's next.
Read More →Mar 20, 2026
A curated tour of my open-source GitHub projects — from IoT firmware to web apps — including what each project does, the tech stack, and how to contribute.
Read More →Mar 15, 2026
Explore MindWell — a privacy-first, open-source mental wellness platform offering 393 condition guides, 20 self-reflection assessments, offline mood tracking, and bilingual support.
Read More →Mar 19, 2026
An honest, hands-on review of Zhipu AI's GLM Coding Plan and GLM-5 Turbo — tool compatibility, pricing tiers, real-world agentic coding performance, and who should subscribe.
Read More →Feb 20, 2026
A technical evaluation of Zhipu AI's GLM Coding Plan through real-world system design and coding workflows — when GLM-4.7 is enough and when GLM-5 is worth the upgrade.
Read More →Research papers and academic publications are in progress. Stay tuned for contributions in assistive technology, IoT systems, and engineering education.
Team SignTalk and Rudra Sarker's work has been featured in national and international media. From television coverage to newspaper articles, our assistive technology journey has reached audiences across Bangladesh and beyond.