General

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Author

• Josh McIntyre

Website

• jmcintyre.net

Overview

• uBitAddr2 is an offline Bitcoin address generator for microcontroller platforms

Development

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Git Workflow

• development for bugfixes and new features

Building

• make build Build the application
• make clean Clean the build directory

Features

• Generate a random private key and associated address for Bitcoin, Bitcoin Cash
• Key formats include WIF (BTC, BCH)
• Address formats include Legacy Base58 (BTC, BCH)
• Display the address and private key on a character LCD screen, rotating every 60 seconds
• Print the address and private key to serial

Requirements

• Requires CircuitPython

Platforms

• Adafruit M4 microcontrollers (ItsyBitsy M4, Grand Central M4, Metro M4)

Usage

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Code Installation

• Connect your microprocessor to PC via USB
• Copy the source Python files and libraries to the CircuitPython directory
• Configure desired currency and output methods

Peripheral Installation

• Wire up the desired output - currently supports a character LCD with I2C backpack, or output to PC via USB cable (no accessories needed)

General usage

• Once the code is loaded, restart the board to automatically generate a new address, private key

Run unit tests

• Run python -m pytest <test file>