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4 layers51 × 113 mmHardware password, the printed circuit board in 3D

This repository is for our ECE 411 Password Manager USB Stick project

Size
51 × 113 mm
Copper layers
4
Thickness
1.6 mm
Parts
8
Nets
40
Pads
72
Tracks, vias
42, 1
Pours
2
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
17 Oct 2024
Updated
13 Dec 2024

Overview

Hardware password is an open-source printed circuit board by riamahaj, from the riamahaj/Password_Manager_Bank repository on GitHub. It is a 4-layer board of 51 × 113 mm with 8 parts on 40 nets, routed with 42 tracks and 1 via.

It is built around the ESP32-S3-DEVKITC-1-N8R2 and B3F-1020. Its parts include 4 switches, 2 connectors, 1 capacitor and 1 IC. It belongs with the ESP32 boards of this library.

Main components

2

README

README.md

Password_ManagerUSB

This repository is for our ECE 411 Password Manager Bank project It features a MicroSD card reader, an OLED for displaying password websites, and a keypad for scrolling and selecting passwords to output. It has 32GB space for extra storage and has encryption features, as well as a webpage that displays websites and passwords with a password strength indicator.

20241212_200830

image

Parts

8
QtyValueFootprintReferences
4B3F-1020b3f-1020:SW_B3F-1000_OMRSW1, SW2, SW3, SW4
1100pF, 0.1nFCapacitor_SMD:C_0805_2012MetricC1
1Conn_01x04_SocketPPTC041LFBN_RC:SULLINS_PPTC041LFBN-RCJ1
1Conn_01x06_SocketPPTC061LFBN_RC(1):SULLINS_PPTC061LFBN-RCJ2
1ESP32-S3-DEVKITC-1-N8R2ESP32-S3-DEVKITC-1-N8R2:XCVR_ESP32-S3-DEVKITC-1-N8R2U1

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Questions

How big is the Hardware password PCB?

It measures 51 × 113 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Hardware password use?

8 parts, built around the ESP32-S3-DEVKITC-1-N8R2 and B3F-1020. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Hardware password KiCad files?

From the riamahaj/Password_Manager_Bank repository on GitHub, at the commit this page was made from: the board is kicad/hardware_password.kicad_pcb and its schematic kicad/hardware_password.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Hardware password design in my own project?

Its repository states no licence, so its author keeps all rights: ask riamahaj before reusing the design.