Prakalam - A pen that writes in air
The Problem
Traditional digital note-taking tools are costly or restrictive, lacking the natural flow of handwriting and true creative freedom.
How It Works
- Activate the app — your camera starts a live feed.
- Tap the touch sensor to enable the light source.
- Move and create — strokes appear in real time.
- Adjust thickness using a potentiometer, just like a pen.
- Save notes directly on your device.
The Setup
- 401 - Mobile
- 402 - Prakalam Pen
- 403 - Mobile stand
Key Features
- Surface-free writing on any surface or in mid-air.
- Smart stroke detection for precision tracking.
- Dynamic stroke thickness control.
- Instant sharing via Email.
- Lightweight, portable, and eco-friendly.
Ideal For
- Students taking lecture notes anywhere.
- Designers sketching creative ideas on the go.
- Professionals brainstorming in meetings.
- Accessibility users seeking flexible writing tools.
