Roni Bandini
Published © CC BY

A curiously cold Bitcoin wallet

Bitcoin paper wallet ink started to fade? Here you have a curiously cold $BTC wallet made with Arduino

IntermediateFull instructions provided4 hours1,343

Things used in this project

Hardware components

Arduino Pro Micro
Adafruit Nokia 5110 screen
EC11 Rotary Encoder Module
DFRobot EC11 Rotary Encoder Module
Adafruit DC Female connector

Software apps and online services

Arduino IDE
Arduino IDE
Fusion 360
Autodesk Fusion 360


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Custom parts and enclosures

Alt(oids) Wallet 3d parts


Alt(oids) Wallet Circuits


Alt(oids) BTC cold Wallet

Arduino code and sample keys


Roni Bandini

Roni Bandini

53 projects • 156 followers
Machines, books and music.