## Minimalist Hand-Drawn Memo App 
A lightweight and responsive sketchpad for your wrist. Jot down quick notes and ideas instantly using the intuitive touch sensor.

## Key Features: 
- Auto-Save: Your canvas is safely saved to the flash memory **automatically**.
- Undo: Press the **Down** button to cleanly erase your last stroke.
- Clear: **Long-press** the **Down** button to wipe the canvas and start fresh.
- Dark / Light Mode: Easily toggle the background color with a single click of the **Select** button.
- Line Thickness: **Long-press** the **Select** button to open the configuration screen, allowing you to finely adjust the pen size from 1 to 16 pixels.
- Lock / Unlock: Press the **Up** button to toggle drawing capability. Locking the screen completely deactivates the touch sensor to prevent accidental input and maximize battery life.