Stahl Secure Storage Device


3 in stock

SKU: LD-STAHL Categories: ,


The Stahl USB dongle provides secure long-term storage for about 2000 characters of text. Simply plug the device into your computer and open any serial communications program that supports VT100 emulation (PuTTY, Tera Term, Minicom, screen, etc.) in order to access the built-in text editor.


  • USB-CDC interface requires no additional drivers on most OSes
  • Built-in text editor
  • Optional password-based encryption
  • 2KB Ferroelectric RAM
    • Lifespan: 95 years @ +55C, over 200 years @ +35C
    • Endurance: 10^12 read/write cycles @ +85C
  • Includes 3D-printed PETG case
  • Board dimensions: 24mm x 16mm

Use Cases

  • Password storage
  • Cryptocurrency private key storage
  • Note/list storage
  • Geocaching
  • Time capsules

Usage (Linux)

$ screen /dev/ttyACM0

Editor Commands:

CTRL-G   Help
CTRL-L   Refresh screen
CTRL-W   Toggle write mode
CTRL-P   Set password for encryption/decryption