Hardware Overview

The TOTPVault device is designed with a focus on security and simplicity. Below is a detailed overview of its components and design.

Specifications

• Secure Processor: ESP32-C3
  • 4MB Flash Storage
• USB-to-UART Adapter: CH343P
• USB Connector: USB-A
• Protection: TVS Diode for static discharge protection on USB lines
• Debug Interface: 5-pin header
  • TX/RX (serial communication)
  • 3.3V Power
  • Ground
  • DFU mode pin
• Physical Buttons:
  • Reset button
  • DFU mode button