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Flyron Technology Co., Ltd.
1. Overviews
1.1. Brief Introduction
FN-BC20 is a high quality audio player developed by Flyron Technology Co., Ltd. Equipped with an on-board
25Wx2 class D amplifier, the audio player can directly drive 2 pieces of 10-25W loudspeakers. And it can
be controlled by RS485 mode or 20 separate buttons hooked up to the one-on-one inputs terminals. Great
audio output, industry-grade design and strong anti-jamming capability make it possible to be used for many
different applications.
1.2. Features
1). Built-in a high quality 24bit of audio decoder with stereo audio output.
2). Supports to play audio files of MP3 and WAV formats.
3). Equipped with a high quality 25Wx2 class D amplifier to directly connect with two 8 ohm speakers of 10-25
Watts, for left channel and right channel.
4). Built-in 16MB SPI flash memory and supports max. 32GB micro SD card.
5). Supports RS485 serial mode and button control mode.
6). In button control mode, playback of the one-on-one associated audio files are triggered by negative pulse to
any of the 20 input terminals.
www.flyrontech.com
RS485 / 20 Trigger Audio Player
User's Manual
Model: FN-BC20
V2.0
1
RS485/20 Trigger Audio Player
E-mail: info@flyrontech.com
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Summary of Contents for Flyron Technology FN-BC20
- Page 1 1. Overviews 1.1. Brief Introduction FN-BC20 is a high quality audio player developed by Flyron Technology Co., Ltd. Equipped with an on-board 25Wx2 class D amplifier, the audio player can directly drive 2 pieces of 10-25W loudspeakers. And it can be controlled by RS485 mode or 20 separate buttons hooked up to the one-on-one inputs terminals.
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Page 2: Technical Parameters
Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player 7). In button control mode, possible playback of 255 MP3/WAV audio files per 20 one-on-one associated folders through negative trigger. 8). In button control mode, four select-able triggering modes are provided through a configuration file. -
Page 3: Command Format
Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player 3.1. Command Format Communication baud rate: 9600 bps Data bits: 1 Checkout: none Flow Control: none Format: $S / Ver. / Number / Command / Feedback / Param_MSB / Param_LSB / Check_MSB / Check_LSB / $O Start byte 0x7E Ver. -
Page 4: Query Commands
Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player 7E FF 06 08 00 00 01 FE F2 EF 7E FF 06 08 00 00 01 EF Repeatedly play the 1st track Specify single repeat 0x08 7E FF 06 08 00 00 02 FE F1 EF... - Page 5 Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player Query number of tracks in a 0x4E 7E FF 06 4E 00 00 01 FE AC EF 7E FF 06 4E 00 01 00 EF folder Query number of folders in the...
- Page 6 Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player And change the file name “xxx.txt” to “read.cfg” as below, then the configuration file with level hold loop playback mode is made successfully. Please be noted the extension name”.txt” of the text file must be changed to “.cfg”, otherwise the configuration will not work.
- Page 7 Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player 9). Safely remove the USB connection from computer. 3.3. ‘One-on-one’ folder triggering control (for random playback of the sound files in the associated folder) In order to meet different needs, we added ‘one-on-one’ folder triggering control except for the traditional ‘one-on-one’ triggering of sound files.
- Page 8 Flyron Technology Co., Ltd. RS485/20 Trigger Audio Player 3). After everything is done as above, safely remove USB connection from computer. Power it on and push any of the 20 buttons to play a sound randomly in the associated folder. For example, by pushing the button associated with input “K7”. It will randomly play a sound file from the associated folder “07”...
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