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README.md

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 Set of Python programs for Raspberry Pi.
 
 **Requires [Sunfounder Super Starter Learning Kit V3.0 for Raspberry Pi](https://www.amazon.ca/SunFounder-Raspberry-Including-Instructions-Beginners/dp/B0795GB6D4/ref=sr_1_4_sspa?dchild=1&keywords=sunfounder+super+kit+raspberry+pi&qid=1609530423&sr=8-4-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzNEZXVkJHUEVKSEpIJmVuY3J5cHRlZElkPUEwNDM3NTA1M1ZGR1ZaUDk1S1VQNyZlbmNyeXB0ZWRBZElkPUEwOTcyODI1MVpWQTJQWDBRUEVZMCZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=)**
+
+Programs use gpiozero, an easier alternative to RPi.GPIO.
+
+Official documentation:
+[gpiozero documentation by Ben Nuttall](https://readthedocs.org/projects/gpiozero/downloads/pdf/stable/)