Project Info
This project did not submit a demo video on Devpost.
What it does
There's nothing quite like writing something real. But whenever you write on paper, whiteboard, or stone plate, you're giving up the convenience of digital notes. Smart pen eliminates that tradeoff. Write on paper. Record every pen stroke online. Then, OCR, summarize with an LLM, or share with friends.
How we built it
ESP32 + MPU6050 + pain
Challenges we ran into
Writing requires precisely estimating the position of the pen -- e.g. dead reckoning. Dead reckoning is hard. It requires finding the orientation of the pen to accurately account for the effect of gravity on the accelerometer before calculating position, an approach which accumulates error and drift. With only a 6 dof IMU (inertial measurement unit), we do not have enough data to manage error.
This project did not link a GitHub repository.
Analysis
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Technology
- CUnchecked
- PythonUnchecked
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AI coding agents
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Codebase size
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This project did not link a GitHub repository, so there is nothing to diagram.
This project did not link a GitHub repository, so its feature claims have not been checked against code.
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