Overview

This is a case for my DIY Trezor hardware wallet for my crypto currencies using a Raspberry Pi Zero WH and a generic 128x64 OLED hat. I was inspired when I saw this DIY Pi Trezor One tutorial:https://www.pitrezor.com/2018/02/pitrezor-homemade-trezor-bitcoin-wallet.html

I was also inspired by these projects:https://www.thingiverse.com/thing:4887588 https://www.thingiverse.com/thing:4790008

This design makes use of the Key 2 button and the Joystick Button of the generic OLED hat for the RPi Zero. The Trezor firmware will tell you to press the left button to cancel and the right button to confirm. The beauty of this design is you actually have left and right buttons, in sync with what the screen will tell you.

Parts needed:

Raspberry Pi Zero - https://www.amazon.com/Raspberry-Pi-Zero-WH-Pre-Soldered/dp/B07W3GJTM1/
128x64 OLED hat - https://www.amazon.com/XYGStudy-Display-128x64-Interface-Raspberry/dp/B088KM41SP/
16 GB microSD card - https://www.amazon.com/SanDisk-Ultra-SDSQUNS-016G-GN3MN-UHS-I-microSDHC/dp/B074B4P7KD/
(4 pcs only) M3 x 20 caphead hex screws - https://www.amazon.com/iExcell-Socket-Screws-Bolts-Finish/dp/B08B1V741X
(4 pcs only) M3 nuts - https://www.amazon.com/Uxcell-a16033100ux0563-Carbon-Steel-Hexagon/dp/B01IWUSDYY

Setup

My config settings for the firmware (this section only makes sense when you flash the SD card with the Pi Trezor firmware):

export TREZOR_OLED_SCALE=1export TREZOR_OLED_TYPE=5export TREZOR_OLED_FLIP=1export TREZOR_GPIO_YES=13export TREZOR_GPIO_NO=20

I traced the OLED hat traces if you want to change the Y/N buttons in the config file, but you’d also need to design your own case if you want to change buttons:

Key 1 - GPIO 21Key 2 - GPIO 20Key 3 - GPIO 16

Joystick:Up - GPIO 19Down - GPIO 6Left - didn’t find it, might be GPIO 20, but it doesn’t work on mineRight - GPIO 5Button - GPIO 13

Print Settings

Printer brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
0.6 mm line width, 0.2 mm line height
Infill:
20%
Filament brand:
eSun // Wennovate
Filament color:
Marble and Black Glitter // Carbon Fiber
Filament material:
PLA+ // PLA
Notes:
Printed with a 0.6 mm nozzle
License
Raspberry Pi Zero Trezor Crypto Hardware Wallet
by QT31416 is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.

Overview

Setup

Print Settings

License

Raspberry Pi Zero Trezor Crypto Hardware Wallet

by QT31416 is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.

Raspberry Pi Zero Crypto Wallet

0.2mm layer, 2 walls, 15% infill