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javin_wittig

@javin_wittig

Joined July 26th, 2026

  • 16Devlogs
  • 5Projects
  • 2Ships
  • 40Votes
Ship Pending review

@javin_wittig on Financemanager

I built a Python command-line application for managing personal finances. On first use, it creates a local account (username/password stored in a JSON file). Users can log custom income and expense transactions with a date, amount, category, and description, and generate summaries, total income, total expenses, and savings over a custom date range. All transactions are continuously saved to a CSV file. Everything you need to know about how to use it is explained in the README

  • 1 devlog
  • 5h
Try project → See source code →
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@javin_wittig on Hand Tracker

7h 42m 59s logged

I’m building a laser turret with a Raspberry Pi, two servo motors, a laser pointer, and a camera that tracks my hand movement live and steers the laser accordingly. The Pi is already set up (Python/VS Code), but since local MediaPipe tracking overheats the Pi 4 too much, I’ve decided to offload the tracking to my PC with an RTX 5070 — the Pi just streams the camera feed to the PC, which sends back target coordinates for the Pi to steer the servos. I’m also keeping a local website with a live video stream

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@javin_wittig on Is the Exoplanet habitable

What I made?
A machine learning project using NASA data to predict exoplanet habitability.
link to my project website:https:
https://javinwittig.github.io/exoplanet-habitability/

What was challenging?
Handling extreme class imbalance with very few habitable planets and setting proper classification thresholds.

What I am proud of?
Accurately detecting potential Earth-like planets despite the few positive data.

What should people know so they can test my project?
Clone the repo, install the libaries, and run the main script or notebook using the provided NASA dataset.

  • 6 devlogs
  • 11h
  • 5.66x multiplier
  • 63 Stardust
Try project → See source code →

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