Projects
NTHUMods
2024Open-source, non-profit student platform for NTHU centralizing courses, grades, bus schedules, and announcements. Grew to 10,000+ users (8,800 peak MAU, ~60% of student body). Built with React, PostgreSQL, Docker, Cloud VMs, and Cloudflare Workers.
Autonomous Omnidirectional Rover
2024Architected core perception (Jetson Nano with ROS2, OpenCV for pathfinding/object recognition) and control (ESP32 firmware with PID for precise movement). Achieved 100% reliability in obstacle course with zero errors under competition conditions.
Project 'Fresh' - AI Food Inventory (Google Hardware Product Sprint)
2024Led perception and inference software stack for AI food inventory system using Gemini API, TensorFlow, React, 3D printing, Arduino, and Raspberry Pi. Developed closed-loop prototype with proactive alerts and recipe generation. Highlighted for 'Best-in-Class' Innovation.
IoT System V2
2023An IoT System that connects the Makerspace lights in our high school club to be controlled by Google Assistant.
3-bit Histogram Adder Chip
2024End-to-end digital design flow for a 3-bit histogram adder chip using 0.18 µm CMOS node. Completed circuit design, HSpice/Laker/Calibre simulations (DRC/LVS) with full verification. Top 10% of class.
Restaurant Seat Tracker (Meichu Hackathon - 1st Runner Up)
2022Low-cost table tracking system using fiducial markers (printed on receipts) and central PixArt imaging sensor. Team-led prototype for fast-food chains achieving high accuracy as alternative to expensive Bluetooth solutions.
Club Management System
2022A system that manages our club's management duties like students, attendance, finance, inventory and so much more.
SECS/GEM Host
2022A semiconductor equipment control protocol that is used to network manufacturing equipments. This is a host that manages the protocol.
IoT Classroom Clock System (CEC iClock)
2021Designed and deployed 56 synchronized clocks with temperature/humidity sensors using ESP32, Firebase, MQTT. Built dashboard for live monitoring and OTA updates, solving time-drift issues - still deployed at Chung Ling Private High School.
Speer Education
2020A mentorship site for economic students that aims to become a social platform
Word Clock
2020A word clock that displays the time in words.
Ultrasonic Acoustic Levitator
2019A levitator that is able to levitate objects up in mid air using ultrasonic sound.
Smart Bin
2019A smart bin that keeps track of the weight of the bin and the amount of waste in it.
Bus Arrival System
2018A bus arrival system that displays the next bus arrival time and the bus number.
8×8×8 LED Cube
2018An 8×8×8 LED Cube controlled with an Arduino and 74HC595Ns.
IoT System
2018An IoT System that connects the Makerspace lights in our high school club to be controlled by Google Assistant.
Twist App
2017Twist App is a digital receipt system that aimed to reduce the amount of paper used by printing receipts.
Livestock Attendance System
2017A livestock attendance system that is directionally aware attendance system using Long Range RFIDs.
Drone Object Avoidance
2017An object avoidance system for a prototype drone during my internship at Vitrox
Wearable Traffic Message Display (TKK Inventor's Award)
2021Award-winning safety device with custom LED matrix panel for traffic police. Designed hardware with surface-mount LEDs, Arduino Pro Mini controller, etched circuit boards, and firmware for multi-color signage display. Addressed safety issue of ambiguous hand gestures.
Automated Attendance System
2016A directional aware attendance system using Long Range RFIDs that are embedded within school uniforms.
Awards
MakeNTU: Eureka
2023Participant
Meichu Hackathon (PXI Imaging Group)
20221st Runner Up
IET Faraday Challenge Malaysia
20191st Runner Up
Tan Kah Kee Young Inventors Award
2018Overall Champion
Works
NTHUMods - Founder & Lead Developer
Oct 2023 - Present
Hsinchu, Taiwan
Architected full-stack system from scratch using React, PostgreSQL, Docker, Cloud VMs, and Cloudflare Workers, centralizing courses, grades, bus schedules, and announcements for 10,000+ users (8,800 peak MAU, ~60% of student body). Recruited and managed 20+ contributors, overseeing product roadmap, technical strategy, sustainability, and succession planning. Secured fiscal sponsorship from local tech firms and advanced official talks for integration into NTHU's systems. Incorporated ongoing freelance full-stack development in 2025.
Google - Hardware Product Sprint
Jun 2024 - Aug 2024
Taipei, Taiwan
Led perception and inference software stack for Project 'Fresh'—AI food inventory system combating waste by tracking refrigerated items and expiry dates using Gemini API, TensorFlow, React, 3D printing, Arduino, and Raspberry Pi. Developed closed-loop prototype with proactive alerts (e.g., 'Your milk expires tomorrow') and recipe generation based on soon-to-expire items. Highlighted for 'Best-in-Class' Innovation for viable ambient AI solution.
BioPro Scientific - ML Researcher & Engineer Intern
Jun 2024 - Aug 2024
Hsinchu, Taiwan
Implemented 4 deep learning models with TensorFlow and PyTorch for EEG emotion classification, achieving 17% increased accuracy with 60% feature reduction. Collaborated on dataset analysis and model optimization for biofeedback applications.
ACX Corp - Process Engineering Intern
Jun 2023 - Aug 2023
Penang, Malaysia
Process engineering internship in semiconductor manufacturing.
Mini-Circuits - Software and Operations Intern
Jun 2022 - Aug 2022
Penang, Malaysia
Gained experience in semiconductors and radio frequency (RF) engineering.
Elliance - Software Engineering Intern
Jan 2022 - Jun 2022
Penang, Malaysia
Implemented Semiconductor Manufacturing equipment control protocol (SECS/GEM) in 10+ factories in Penang. Developed AI Learning Kit for training Honeywell management on AI integration in production lines.
Speer Education - Frontend Developer
Jun 2021 - Oct 2022
Remote
Developed frontend applications using Firebase, React.js, Node.js, and Next.js.
For the most up-to-date information, please visit my LinkedIn profile at linkedin.com/in/imjustchew.