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Physical Computing Assignment 2

Threshold Alert System - Live Demo

This is a simple interactive system that uses a dial, two LEDs (red and green), and a buzzer to monitor a variable in real time, and allows us to set a new threshold by clicking on the screen.

How it works:

A small on-screen window displays the analog line and the threshold line.

The dial sets an analog value, which the system continuously monitors.

Below the threshold: The red LED lights up.

At the threshold: The green LED lights up.

Above the threshold: The buzzer sounds, indicating the value has exceeded the safe range.

Set a new threshold: Click anywhere inside the window to adjust the threshold dynamically.

This assignment helped me learn about analog input processing, threshold detection, output control, and interactive digital interfaces, giving hands-on experience with real-time monitoring and electronics interaction.

[nikitasprojectblog]

Physical Computing Assignment 2

Threshold Alert System – Project Setup

Here’s a closer look at the hardware setup.

[nikitasprojectblog]

Physical Computing Assignment 1

Traffic Light Simulator (Live Demo)

This project is an interactive traffic light simulator designed with six LEDs representing two sets of traffic lights (2× red, 2× yellow, 2× green). The system is controlled using two buttons:

Button 1 – Normal Operation:

Each press advances the lights through a coordinated sequence where one direction is active while the other stays on red.

Sequence: ------------------------------ | Light 1 | Light 2 | ------------------------------ | Red | Red | Default Start | Green | Red | Press 1 | Yellow | Red | Press 2 | Red | Red | Press 3 | Red | Green | Press 4 | Red | Yellow | Press 5 | Red | Red | Press 6 ------------------------------

...and the cycle repeats.

Button 2 – Fault Mode:

Activates a “faulty light” mode where both sets of yellow lights blink simultaneously.

While in fault mode, Button 1 is disabled (the traffic light sequence cannot be changed).

Pressing Button 2 again exits fault mode and resumes normal operation.

This project was created in my first year of study as an introduction to physical computing, digital logic, and state management. It demonstrates how simple input devices (buttons) can be used to control multiple outputs (LED traffic lights) through programmed logic.

[nikitasprojectblog]

Physical Computing Assignment 1

Traffic Light Simulator - Project Hardware Setup

Here’s a closer look at the setup for my traffic light simulator. This post focuses on how the hardware is arranged and how the Arduino Uno, LEDs and buttons are wired together.

[nikitasprojectblog]

H3ar – Audio-Based Running Game 

This project was part of Studio Assessment 2 for CTEC501. H3ar is a game designed for visually impaired players, relying entirely on audio cues to guide gameplay.

How it works:

A running game where players must press the space key to jump after hearing a short beep.

The character is an astronaut hamster, running through a space-themed background.

Obstacles are aliens that appear along the path — timing your jumps based on audio cues is key to surviving.

This project applied what I learned in COMP570, combining accessible game design, audio cues, and interactive gameplay into a unique experience.