Build a GPIO Soundboard in Raspberry Pi 4, GPIO music in Raspberry pi 4, GPIO sound in Raspberry Pi 4, GPIO RPi4, GPIO soundboard RPi4, RPi4 GPIO soundboard Welcome to the next tutorial of our Raspberry Pi programming course. In our previous tutorial, we learned how to create a timelapse video with still images and understand how phototimer and FFmpeg work. In this lesson, you'll make a button-controlled "music box" that plays different sounds dependin ...