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Hardpass Prototype, v.2

A Raspberry Pi Zero based WiFi Enabled Hardware Password Manager, now with a PCB.

Currently Implemented:

  • OLED (demo)
  • USB Gadgets (full)
  • USB HID send keys progam


  • OLED: Menu program
  • WiFi: compile & install driver
  • Button Matrix (same program as OLED)

Install ESP driver

If you want to use the ESP8266 on the SDIO pins of the Pi, download and install the driver from Andrew Litt.

# on the pi:
git clone
make && sudo make install

In this repository

This repository contains:

  • USB HID progam scan with examples in ./send_hid
  • OLED menu system in ./oled, using the ArduiPi_OLED driver from
  • Patcher and installer for pass in ./pass
  • KiCAD schematic and PCB layout in ./kicad

Setting up

To automatically load necessary kernel modules for the OLED on boot, run as root on the Pi:

echo "i2c-dev">>/etc/modules
echo "dwc2">>/etc/modules

A small systemd unit file is included; place it in /etc/systemd/system/ and modify it, so it points to, which you can also modify to your needs.


I hereby release my work under the GNU GPLv3 where applicable. The complete license text, if not included, can be read at Where the GPLv3 isn't applicable, the work is released under the Creative Commons Attribution-ShareAlike 4.0 International. This repository also includes the ArduiPi_OLED library from hallard; see this website for details. and the kicad-ESP8266 library from jdunmire, which is released under the Creative Commons Attribution-ShareAlike 4.0 International License.

About - Seldomly Updated Mirror: Hardpass is a Raspberry Pi Zero based hardware password manager, using







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