ASTRO Pi User manual

Astro Pi
MP3 Music Player
Instruction Manual

Features
 6 general purpose buttons
 A joystick
 An LED Matrix
The Joystick
The joystick can be moved in four
directions and the centre can be
pressed upon, not dissimilar to a
button.
The four directions:
Up-Increases the volume by 3 deci-
mals
Down-Decreases the volume by 3 dec-
imals
Left-Skips to the previous track
Right-Skips to the next track
Centre pushed-pauses/plays the
track
Previous Track
Volume Up
Volume Down
Next Track
Pause
/Play
Music Folder
The music folder is currently
set at /home/pi/Music on line
209 of the code

Buttons
The Astro Pi Flight Case has 6 buttons.
The first 4, arranged in a diamond
shape, controlled the volume increase
and decrease, next track and back a
track.
The top button controls the volume in-
crease. Pressed once it will increase
the volume by 3 decibels.
The right button, when pressed, will
pause the playing track and skip to the
next one.
The bottom button controls the volume de-
crease. Pressed one it will decrease the vol-
ume by 3 decibels.
The left button, when pressed, will pause the
playing track and skip back to the previous
track.
The remaining 2 buttons, placed just below
the first 4, control fast forward (on the
right) and rewind (on the left). Both of them,
when pressed, skip 30 seconds of the track.
Volume Up
Next Track
Volume Down
Previous Track
Rewind Fast Forward

Gyroscope
The gyroscope will react if the Mp3
Music Player is tilted in these 4 di-
rections:
Back: If the Music Player is held at
a 90 angle so the screen faces you
and tilted backwards it will skip to
the next track
Forwards: If the screen is tilted
forwards it will skip to the previous
track
Left: If the screen is tilted to the
left it will increase the volume
Right: If the screen is tilted to the
right it will decrease the volume
Volume Down
Arrows symbolise the direction
of tilt needed to achieve the
result.
Volume UpVolume Up
Skip back to
the previous
track
Skip to the
next track