MAKER TUTORIALTSA1000 Digital Audio Volume Controller
BUILDCIRCUIT · 2014-01-22
TSA1000 is a Bluetooth/Single-ended audio volume controller. It can work with our
TSA7499 Bluetooth audio amplifier board and control the audio volume by rotating a real knob.
Either the Bluetooth audio source or cable input (Single-ended) audio source can be adjusted by the small knob.
It has a single-ended audio source in port, a single-ended audio source output port, and a Bluetooth audio volume control port. The audio out signal will increase/decrease when the user rotates the knob. Bluetooth audio volume control port will also output an increase/decrease in the control signal.
Pins:
| Port name |
Pin name |
Direction |
Description |
| Audio In |
GND |
- |
|
| R |
Analog In |
Audio in |
| L |
Analog In |
Audio in |
| Audio Out |
GND |
- |
|
| R |
Analog Out |
Audio out, connect to amplifier board |
| L |
Analog Out |
Audio out, connect to amplifier board |
| Bluetooth 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 |
TSA7499 with TSA1000 external volume control board
Features:
- Size: 5cm x 3.8cm
- Bluetooth audio volume control
- Singal-ended audio volume control
- An external audio volume knob
- Working voltage: DC 5V
Applications:
- Personal computer
- Background music system
- Musical instrument amplifiers
- Home DIY
- Car audio
