Newest useful script · September 2026
Podium
Drive the classroom projector from your iPad or iPhone. Cue slides and media away from the audience, then use TAKE when the next thing is ready for the room.
Curious things, built by Jon
Jon Westfall's Playground
A cozy corner for useful scripts, side projects, research experiments, and odd little internet toys. Wander in and see what’s new.
More small tools for real problems
Recent additions span teaching, creative work, sensors, privacy, and very large personal datasets. Each one lives in the Useful Scripts repository and is ready to inspect or adapt.
Privacy · June 2026
Student Work Anonymizer
Make anonymized copies of PDF, Word, and PowerPoint submissions for blind review, with a private crosswalk and manual-review flags.
Creative · February 2026Crochet Pattern Grid
Paint colorwork charts on a customizable grid, convert simple images, and export reloadable JSON, high-resolution PNG, or print-ready PDF.
Teaching · February 2026AI Open House Demos
Containerized, hands-on demos for exploring data analysis and computer vision in an approachable open-house setting.
Hardware · January 2026SHT41 Sensor Logger
A practical desktop interface for collecting and viewing temperature and humidity readings from an SHT41 sensor.
Media · January 2026Movie Summary Collage
Sample a movie automatically and assemble representative frames into a single visual summary image.
Data · December 2025Location History Subsetter
Stream multi-gigabyte Google Location History exports, scan their date range, and carve out a manageable time slice without loading everything into memory.
Projects to click, play, and poke at
Timers, games, research artifacts, and small experiments—some polished, some still growing.
Workout tool
Strength Tempo Timer
Large, adjustable tempo timers for bicep curls and tricep extensions.
Card gameAlien Solitaire
A Scary Alien and Weather Goose solitaire variant with stormy Lake Erie flavor.
Research projectChatGPT Wrote This Paper
The project page and drafts behind an experiment in AI-assisted writing.
Open-source buildLLMMM
A language-model project in progress on GitHub.
Fun toyDifferentEnough
A playful web app made for tinkering and seeing what happens when ideas get weird.
SimulationAV Simulator
A side-project sandbox where things are intentionally a little chaotic and fun.
More on GitHub
Visit @jonwestfall →
Public projects
A live selection from Jon’s public repositories.
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