This guide describes how to use CircuitPython on a Raspberry Pi to trigger audio file playback using tactile button presses. This tutorial works will all versions of Raspberry Pi hardware to date (v1, v2, v3, Zero, etc.) If you have not already used the Raspberry Pi as a input device this guide will show you how to wire up the buttons to the GPIO pins and access their state from a python script. 

To Follow This Tutorial You Will Need

• A Raspberry Pi (compatible with all 26pin and 40pin Pi releases to date)
• Pi T-Cobbler Plus, Pi Cobbler Plus for Model B+ / Pi 2 or the original Pi Cobbler
• (1) Half size breadboard
• Hook-up Wire
• (3) Tactile Button Switches
• (1) 5v 2.5A Switching Power Supply