TSA1020 Digital Audio Volume Controller – RCA
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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