🚧 Work-in-progress biometric voting system upgraded from R307 sensor to Mantra fingerprint device, focusing on secure, accurate, and real-world voter authentication.

Force-sensing biofeedback system for guided breathing — Arduino + Random Forest + PyQt6

An autonomous vehicle that uses computer vision and artificial intelligence to drive itself, overcome obstacles, recognize and track objects in front of it.

Universal public transport validator supporting EMV contactless, NFC (Google/Apple Pay), and biometric payments.

STM32 multithreaded temperature monitoring system using CMSIS-RTOS RTX. Features real-time task scheduling, mutexes for resource protection, and signal-based inter-thread communication for deterministic embedded applications.

Privacy-preserving smart chair using ESP32, MQTT, and a multi-sensor array (FSR, ToF, PIR) to monitor posture and log real-time ergonomic analytics via a Flask web dashboard. Camera-free!

Embedded system for automatic vehicle speed regulation using GPS-based zone detection

Industrial IoT temperature & humidity control system for an IIoT trainer kit, built on a Revolution Pi PLC with Modbus RTU sensor integration. Final project — CCIT, Fakultas Teknik Universitas Indonesia (2024).

ESP32 based Automated Irrigation Controller using Soil Moisture Sensor and Relay.

An IoT-based smart electricity billing system built using ESP32 and HW872A current sensor for real-time power monitoring and electricity bill estimation. The system measures current consumption, calculates energy usage, and displays live monitoring data through the Blynk IoT platform for efficient energy management.

LSB Image Steganography in C — hide and extract secret files inside BMP images using Least Significant Bit technique

collection of VHDL programs with simple and clear testbenches. Designed for beginners to learn design and simulation. Easily runnable using GHDL for simulation and GTKWave for waveform analysis.