HauntBots MP3-WS Operating Manual

Operating Manual

MP3-WS



By HauntBots LLC

Date: 03-09-18

Revision: 1.0

2

Table of Contents

NOTICE .............................................................................................................. 2

1. Introduction ................................................................................................ 3

System Overview.................................................................................................................................................3

Document Overview ............................................................................................................................................3

2. System Description ................................................................................... 3

Specifications ......................................................................................................................................................3

Applications .........................................................................................................................................................3

3. Hardware .................................................................................................... 4

Power Supply ......................................................................................................................................................4

Output ..................................................................................................................................................................4

Trigger Input ........................................................................................................................................................5

Speakers .............................................................................................................................................................5

LCD Display .........................................................................................................................................................5

4. Software Operation .................................................................................... 6

Software Installation ............................................................................................................................................6

Driver Installation .................................................................................................................................................8

Starting the Software ........................................................................................................................................ 12

Creating Audio Library ...................................................................................................................................... 13

NOTICE

It is the user’s responsibility to determine the suitability of
this product for any given application. Do not use this
device in any life-critical system or hazardous areas. An
understanding of electronic terminology and practices are
required to use this device. Mount the unit in a way that
prevents exposure to moisture and within the parameters
of any applicable codes.

3

1. Introduction

System Overview

The MP3-WS is a simple MP3 playback device with a status output suitable for driving an LED or other low
voltage device. The MP3-WS requires a low voltage power supply (12vdc – 24vdc). The player has a
sturdy aluminum case with mounting tabs. An internal 40W class D amp is available as an option.

Document Overview

The following terminology appears throughout this manual.
Ground, negative, or (-) may be used interchangeably when referring to the power supply connections.

2. System Description

Specifications

• Full color 128 x 128 TFT LCD display

• 8 Meg flash memory for MP3 data

• Up to 8-1/2 minutes of audio

• 40-Watt Class D amplifier (optional)

• Stereo Line out connection

• 1 solid-state 1-amp outputs.

• Wire terminals accept wire as large as 14 gauge

• Trigger input- normally open or normally closed. Activate on +v (sourcing) or contact closure

• USB connector to download audio files

• Same rugged case as our other pro series controllers with no exposed circuit board

• 3-1/2” x 4-1/2” footprint

• Microcontroller runs 12 million instructions per second

Applications

The MP3-WS is intended for playback of MP3 audio files in props, displays and kiosks where one or more

short audio clips are required.

4

3. Hardware

Power Supply

The MP3-WS will operate on 12 to 24 volts DC.
Connect the power supply to the terminals in the PWR

section marked: + & -

If the optional amplifier is installed, A 24-volt 2.5-amp
power supply is required to produce the full 40 watts
of power. If you intend to use the same supply for
powering output devices (valves, relays, etc)
additional amperage is required.

There are two extra + terminals for convenience on
the output connector. The + terminals are internally

connected. This provides extra terminals to attach
other items requiring power.

Warning: The + terminal in the Triggers section of

the connector is not the same as the + terminals in
the PWR section.

The + terminal in the Triggers section is a 12vdc output from the MP3-WS’s internal 12v regulator. This
can be used to supply triggers that require power.

Output

The output is driven by a 1amp solid state driver.
The + terminal carries the same voltage found at the PWR +

terminals.
This output is on any time an audio file is playing
The MP3-WS output switches the negative side of the voltage

Note: Flyback Diodes should be installed across inductive loads
like solenoid valves.

5

Trigger Input

The trigger input on the MP3-WS can accept a variety of trigger
devices; voltage sourcing or contact closure. A normally open
contact is required.

Every time a trigger pulse is received, a random audio track will play.
All of the tracks in the play list will play once before the list is shuffled.

Warning: the + terminal in the Trig section is a special 12v out

terminal to provide voltage to trigger devices requiring 12 volts.
Do Not apply external voltage to this terminal.

Speakers

The MP3-WS has an optional mono 40-Watt amplifier. This amp is
connected to the left channel of the MP3 player. If installed, connect
speaker(s) to the + & - terminals with a minimum of 4 ohms total.

LCD Display

The integrated color LCD display shows the number of audio
clips loaded and the last clip played.