hi,

i'm tim.

Portrait of Time Horrell

about me

hi, i'm tim. i am an avid learner, researcher, and problem solver. i love using my skills to help friends, family, and build projects that help people.

i graduated from pitt in 2025 and joined the siemens mobility development program. in my current rotation, i'm exploring a statiscal and machine learning approach to rail incident classification and maintenance.

in my free time

  • reading: c. s. lewis's screwtape letters
  • disc golf: sadly there is just one course in NYC
  • travel: exploring new york city
  • learning: web development

projects

Train Control System Interface

train control system

designed a mock transit system for pittsburgh regional transit using python and pyqt. leveraged agile methodologies to deliver a full software requirement specification, scheduling/train control sub-module, and comprehensive test suite.

Benevolent Robot Service Dog

benevolent robot service dog

winner: 1st overall at pitt design expo. developed a control policy and peripheral device drivers in ros2 ecosystem to guide visually impaired users through obstacles.

Maze Race Robot

maze race robot

programmed a ti msp432 using bare-metal c. implemented pid motor control, bump sensors, and ir sensor array. hosted a dashboard on microsoft azure to communicate via mqtt for real-time control and status updates.

tools

Lapsify Tool Logo

lapsify

this tool applies multiple effects to a chosen image, giving it the appearance of an old film camera similar to the app lapse.

open tool →

contact