Tinysine
TSA1000 Digital Audio Volume Controller
TSA1000 Digital Audio Volume Controller
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TSA1000 is a Bluetooth/Single-ended audio volume controller board. 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 this 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 user rotates the knob, Bluetooth audio volume control port will also output an increase/decrease control signal.
Pins define:
| 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
- External audio volume knob
- Working voltage: DC5V
Applications:
- Personal computer
- Background music system
- Musical instrument amplifiers
- Home DIY
- Car audio
