I had some small Cambridge Soundwork speakers hanging around and wanted to do something with them, so I decided to use them with a RPi Zero W as a music box.
(I still have to figure out a better mounting method)
From the ReadMe:
This music player reads a folder (called 'songs') and will play the songs in alphabetical order.
Once all the songs have been played, it will restart the list.You can Pause/Resume play, Skip to the next song, go to the previous song and stop playing any songs.
There is also a button to power off the Pi.
I designed this to allow it to be controled by an iPhone by turning on
the iPhone's Personal hotspot. To access it this way, you need to add the iPhone Hotspot name
and password to the wpa_supplicant.config file on the Pi.
This is running on Node-RED v0.20.5. with the following components and nodes:
a HiFiBerry MiniAmp hat (https://www.hifiberry.com/shop/boards/miniamp/) for an amplifier
node-red-contrib-fs-ops (v1.5.0) to get the sound file names
You will also have to install mplayer (sudo apt install mplayer) or change the play-sound node to use another player.
node-red-contrib-play-sound (v0.2.0) to control the playing of the songs and
an exec node running amixer to control the volume
and a second exec note to allow remote shutdown of the pi.
Here is the flow I built
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