CircuitsGPIO is open-source software licensed under the Apache License,
Version 2.0.

Copyright holders include Frank Hunleth, Connor Rigby, Justin Schneck,
Giovanni Visciano, Tim Mecklem, Jon Carstens, Mark Sebald, Matt Ludwigs, Enrico
Rivarola and Michael Roach.

Authoritative REUSE-compliant copyright and license metadata available at
https://hex.pm/packages/circuits_gpio.