TSA1020 is a digital stereo Bluetooth/Single-ended audio volume controller board. It has an RCA audio input/output ports and a BVC port (only for some Bluetooth amplifier boards).

You can use it to control audio volume any normal amplifier board. The audio out signal will increase/decrease when the user rotates the knob, Bluetooth audio volume control port will also increase/decrease audio signal.

 

 

TSA1020 external volume control board

Pins define:

Port name Pin name Direction Description
BVC

Bluetooth volume control

 

5V
GND
INC Digital Out Bluetooth audio volume +
DEC Digital Out Bluetooth audio volume –
SEL Digital In Bluetooth/Single-ended select

1-Bluetooth,

0-Single-ended select

Features:

  • Size: 8.1cm x 3.8cm
  • Bluetooth audio volume control
  • Singal-ended audio volume control
  • An external audio volume knob
  • Working voltage: DC 8V-39V

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