Past E21 Projects

from Fall 2025

Authors

Emad Masroor

Will Johnson

A collection of final projects from Fall 2025 ENGR 21.

Image Morphing and Transformation using Python

1D Metal Detecting Robot

Electronic Plastic Sorter

Course Selection Optimization

Automated Plant Care System

Simon Says: An Embedded Systems Memory Game

Color Sensor

Sound-Responsive Catapult with LED Digit Panel

Output Maximizing Solar PAnel

A 3 DOF Robotic Hand with Tendon-based finger mechanics and servo-driven control

Screwing, No Hands

Baby Boombox: A MP3 Music Player

Progress Toward a Weatable Grip-Assistance Device

Whiteboard-Erasing Robot

Modeling the Transmission of the Monkeypox Virus Infection with Vaccination and other intervention measures

Joystick-controlled Dual-Axis Rotation System

Simulating Particle Dynamics: Collisions, Wall interactions, and multi-particle systems

Magic Piano IRL

Manually Targeted Tactical Flywheel-Based Projectile Launch System

Grayscale Camera with CircuitPlayground and a Photoresistor

POLARIS: A Wireless-Charging Speaker with Interactive Sensing

Color-Based Marble Sorting System

ISA: Injection System Automation

How close are you to your nearest bus stop?