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Home / Development Boards & Control Boards / ASRPRO 2.0 Voice Recognition Module, Tianwen Development Board, AI Offline Voice Control, ASR PRO Core Board

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Model Number ASRPRO 2.0
Core Chip AI Voice Recognition Processor
Communication Interface UART / TTL
Operating Voltage 3.3V - 5V DC
Recognition Distance Up to 5 Meters
Response Time Less than 200ms
Supported Languages Customizable (English/Chinese)
Working Temperature -20°C to 70°C
Board Dimensions 42mm x 22mm
Package Content Module, Pin Headers, Dupont Line

5 reviews

A

Anonymous

Apr 11, 2026

Rating: 4/5

Good hardware, steep learning curve

Module works great but configuring commands takes time. Documentation could be clearer.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect Offline Solution

No latency since it does not rely on cloud. Very reliable for local control systems.

A

Anonymous

Feb 19, 2026

Rating: 5/5

Excellent for Home Automation

Integrated smoothly with my ESP32 project. Offline recognition is fast and accurate.

A

Anonymous

Feb 03, 2026

Rating: 5/5

Great Value for Money

Compared to other voice modules, this is affordable and robust for hobbyist projects.

A

Anonymous

Jan 23, 2026

Rating: 4/5

Solid Performance

Microphone sensitivity is decent. Works well in quiet rooms without false triggers.

5 FAQ

Q: Can I customize the voice commands?

A: Yes, you can customize commands using the provided software tool.

Q: Does this require WiFi to function?

A: No, this module performs offline voice recognition without internet.

Q: Can it control GPIO pins directly?

A: Yes, you can map voice commands to specific GPIO outputs.

Q: What logic level does the UART use?

A: The UART interface operates at 3.3V logic level.

Q: Is there a microphone built-in?

A: Yes, there is an onboard microphone included on the board.

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