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Adafruit Audio FX User Manual
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The Sou
nd Board
has a lo
t of amaz
ing featu
res that m
ake it th
e easies
t thing ev
er:
No Ardu
ino or ot
her micro
controlle
r require
d!
I
t is comp
letely stan
d-alone
, just nee
ds a 3 to
5.5VDC
battery
Small
- on
ly 1.9" x 0
.85"
Built in s
torage
- yep! you
don't ev
en need
an SD ca
rd, there
's 2MB o
r 16MB o
f storage
on the b
oard itsel
f, so
© Adafruit In
dustries
https://learn
.adafruit.com
/adafruit-aud
io-fx-sound-
board
Page 5 of
45
4
6
Table of Contents
Table of Contents
2
Guide Contents
2
Overview
4
Amplifier or Headphone out
6
Trigger Effects
7
Tour
9
Headphone Output Type
10
Stereo Amplifier Type
10
Pinouts
12
Power Pins
12
UART Pins
13
Volume Trigger Pins
14
Audio Outputs
14
Trigger Pins
15
Other Pins
15
Copying Audio Files
16
Powering It
18
USB Power Pack
18
Powering with Amplifer
18
Wiring a Battery Pack to the Vin + GND Pins
18
Using Vin JST Connector
20
Using a Lipoly Backpack
23
Triggering Audio
24
How Many Triggers Are There
24
How Long Does It Take for Audio to Play Once I've Triggered the Pin
24
Trigger Types
25
Basic Trigger - Tnn.wav or Tnn.ogg
25
Hold Looping Trigger - Tnnholdl.wav or Tnnholdl.ogg
25
Latching Loop Trigger - Tnnlatch.wav or Tnnlatch.ogg
26
Play Next Trigger - Tnnnext#.Wav or Tnnnext#.Ogg
26
Play Random Trigger- Tnnrand#.Wav or Tnnrand#.Ogg
26
Wire up Buttons
26
Serial Audio Control
28
Arduino Library
28
Load Demo Sketch
29
General Usage
30
Commands
31
IDLE Mode Commands
31
List Files
31
Volume up and down
32
Play Track by Number
32
Play Track by Name
33
PLAY Mode Commands
33
Pause & Unpause
33
Stopping Playback
33
Current Playback Time
34
File Size and Remaining
34
Advanced Triggering
36
Trigger Order
36
Basic Foreground & Background
36
Advanced Background/Foreground
36
Creating Audio Files
38
How Much Music
39
Compressed or no
39
Stereo or Mono
39
Bit Rates / Sample Rates
39
Some Examples
39
Uncompressed WAV
39
Compressed Ogg Vorbis
40
Troubleshooting
41
Doesn't Show up as a Drive on My Computer
41
I Can't Get Audio to Play When I Trigger the Pins
41
Downloads
42
Disk Images
42
Datasheets & Files
42
Schematic and Fabrication Print
42
Headphone out Version
42
Amplifier Version
43
F.a.q
45
How Come 'Looping Tracks' Like TO1LATCH.WAV Dont Loop in UART Mode
45
I am Having Difficultly Triggering GPIO #9 and #10
45
If I Hold down a Button in 'Play Once' Tnn.wav Mode, It will Repeat
45
I Don't Have Short Delays between Loops, Whats up with that
45
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Adafruit Audio FX Specifications
General
Brand
Adafruit
Model
Audio FX
Category
Recording Equipment
Language
English