TSA1702B Bluetooth + DSP Audio Receiver Board

$37.95

TSA1702B is a Bluetooth + DSP board with an AudioB I2S v3 module that supports Apt-X. A microUSB cable or any DC9V-30V power supply can power it. You can pair it with a mobile phone or a computer (etc). Power the board, use your phone or PC (etc) to search for a new Bluetooth device. The module will appear as “TSA1702B”. You don’t need a PIN; just pair it, and then you can play music. It is just like a TSA1701 + Bluetooth.

TSA1702B Bluetooth + DSP Audio Receiver Board

TSA1702B is a Bluetooth + DSP board with an AudioB I2S v3 module that supports Apt-X. A microUSB cable or any DC9V-30V power supply can power it. You can pair it with a mobile phone or a computer (etc). Power the board, use your phone or PC (etc) to search for a new Bluetooth device. The module will just appear as “TSA1702B”. You don’t need a PIN, pair it and then you can play music. It is just like a TSA1701 + Bluetooth.

The TSA1702B is a complete audio-digital signal processing module. The main DSP chip on this module is ADAU1701. The application ranges from active loudspeaker concepts (digital three-way 3 unit, two-way 2 unit crossover, bass enhancement, etc.) and realizes the transformation from 2.0 to 2.1. It has four potentiometers, and the default program is loaded. Customers can adjust the gain, Bass, midrange, and treble. It also have a debug port for Sigima Studio, user can program this module with our USBi programmer to get more functions which includes equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, etc.

Pins define:

Port name Pin name Direction Description
External Potentiometers port 3.3V Power Out 3.3V Output
A_ADC1 Analog In Treble control
A_ADC2 Analog In Midrange control
A_ADC3 Analog In Bass control
A_ADC0 Analog In Gain control
GND
Aux in Input GND
ADC1 Analog In Right channel
ADC0 Analog In Left Channel
Audio Out1 GND
DAC0 Analog Out Left Channel
DAC1 Analog Out Right channel
Audio Out2 GND
DAC2 Analog Out Left Channel
DAC3 Analog Out Right channel

Control buttons:

Three buttons on the board can control the audio volume and play/pause, etc…

Pins define:(Check the board backside silkscreen):

  • S1: Play/pause button
  • S2: Long press decrease volume, short click to play the previous song
  • S3: Long press increase volume, short click to play the next song

Potentiometers port:

You can connect external POTs (5K~20K) to control the Main volume, treble, middle, and Bass. This is our POT kit.

  • ADC0- Main volume.
  • ADC1- Bass volume.
  • ADC2- Middle volume.
  • ADC3- treble volume.

Warning: You need to disconnect the soldering pads on the board’s backside when you connect external potentiometers. Or the ADC port may be burned. Potentiometers value: 1Kohm-100Kohm.

DSP programming port:

TSA1702B’s DSP detects Bluetooth and line signals, but the default program makes Bluetooth a higher priority. If Bluetooth signal detected, TSA1702B will output Bluetooth audio source, otherwise it will output Line in audio source. You can develop a DSP program to fulfill your requirement, then load the new DSP program using a USBi JTAG Sigma DSP programmer.

TSA1702B works with a stereo amplifier board

Features:

  • Size: 9cm x 6cm
  • 28-/56-bit, 50 MIPS Digital Audio Processor
  • Audio out output level: 0.9Vrms
  • Audio input signal range: 2Vrms
  • Input resistance: 20Kohm
  • Fully Programmable with SigmaStudio Graphical tool
  • 5V microUSB or DC9-30V Power input

Product Datasheet and Manual

If applicable, the Product Documentation such as Datasheet, Brochure, Reference Materials, CAD Design, STP Files, Manuals, and Tutorials will be available for download upon purchase from the My Account as needed. On the checkout page, please create an account to download product-related files upon purchase. You won’t be able to download otherwise.


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Founded in 2009, TinySine Electronics is a smart home and open source hardware provider, catering to hardware engineers, DIY enthusiasts and interactive designers. Our ever-growing product catalog includes over 700 components and widgets from sensors, robotic platforms, communication modules to smart home relay boards.

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