Keyboard shortcuts

Press or to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

Installation

You can install it with

uv pip install metrum

Or install from this git repo

Fix GPIO and I2C permission errors

How to fix I2C and GPIO permission errors. Run as root

chown :i2c /dev/i2c-1
chown :gpio /dev/gpiochip0
chown :gpio /dev/gpio
chown :gpio /dev/gpiomem
chown :i2c /dev/i2c-2