ZILDJIAN W. ZABALA II

7 Segment Decoder Design — Digital Logic, Circuit Design, Electronics Prototyping

• Designed a digital circuit that converts a binary‑coded input into signals to drive a 7‑segment display, capable of displaying digits (0‑9) and letters (A‑F).

ATTEND EASY System — Database Management, Front‑End Design (Java, SQL)

Software application to simplify attendance monitoring for teachers handling multiple schools and departments; automates tracking to save time and reduce errors.

Data Structure Program — Java Coding (Java)

• Interactive learning tool focused on data structures and algorithms to make complex topics accessible and enjoyable.

Human Following Robot — Robotics (C++)

• Developed a robot capable of autonomously following a human using sensors and microcontrollers.

UC‑CSU KeyPartment — Thesis Project (Drupal, JavaScript, Groovy)

Enhanced facility security through intelligent key management using RFID and biometric access. Ensures only authorized personnel can retrieve specific keys, making physical key control secure, efficient, and trackable.

BottleNet — Thesis Project (C++, Raspberry Pi)

Innovative take on Piso WiFi using plastic bottles instead of coins for internet access. Detects bottle size to assign internet duration and automatically shreds accepted bottles, promoting recycling while providing connectivity.

PlazaLights — Thesis Project (C++, App Controlled)

Interactive fountain display system controlled via mobile app. Synchronizes water and light movements with music, enhancing public spaces through music‑responsive visual displays.