Description
Reviews
| Brand | - |
| Category | Electronic Components Market / Voice Recognition Modules |
| Origin | - |
| Core Model | ASRPRO 2.0 |
| License Type | Tianwen Officially Licensed |
| Operation Mode | Offline Voice Control |
| Supported Languages | Mandarin Chinese, English |
| Interface | UART, I2C, GPIO |
| Power Supply | 3.3V - 5V DC |
| Microphone Input | Analog Mic / Digital PDM |
| Response Time | < 200ms |
| Custom Commands | Up to 150 offline commands |
| Dimensions | 45mm x 20mm x 8mm |
Anonymous
Mar 30, 2026
Rating: 5/5
Exceeded expectations
Easy to set up and the offline capability is a huge plus for privacy-focused projects. The Tianwen official licensing gives me confidence in long-term support.
Anonymous
Mar 26, 2026
Rating: 5/5
Perfect for offline IoT projects
This module works exactly as described. The offline recognition is fast and accurate, even with a bit of background noise. Great for my smart home automation setup without needing cloud connectivity.
Anonymous
Mar 23, 2026
Rating: 5/5
Fast response time
The latency is incredibly low. My lights turn on almost instantly when I speak the command. The build quality of the core board feels solid too.
Anonymous
Mar 20, 2026
Rating: 4/5
Great for robotics
Using this for a voice-controlled robot arm. It handles multiple commands well. Would give 5 stars if the microphone sensitivity adjustment was a bit more granular in the software.
Anonymous
Mar 04, 2026
Rating: 4/5
Good value, clear documentation
The Tianwen license ensures good compatibility. Documentation was easy to follow for integrating with my ESP32. Only minor issue was the pin spacing, but nothing a breadboard couldn't handle.
Anonymous
Mar 01, 2026
Rating: 5/5
Reliable voice control
I've tested several modules, and the ASRPRO 2.0 stands out for its stability. It recognizes custom command sets very well after training. Highly recommended for developers.
Q: Is a microphone included with the development board?
A: The core board includes a footprint for an analog microphone, but the microphone component itself is sold separately to allow for flexible placement.
Q: Can I customize the voice commands myself?
A: Yes, you can define up to 150 custom offline commands using the provided configuration tools and software suite.
Q: What voltage should I supply to the VCC pin?
A: The module operates safely between 3.3V and 5V DC. We recommend 3.3V for optimal compatibility with most microcontrollers.
Q: Does it support English language recognition?
A: Yes, the firmware supports both Mandarin Chinese and English. You can switch languages via the configuration software.
Q: Does this module require an internet connection to function?
A: No, the ASRPRO 2.0 is designed specifically for offline voice recognition. All processing happens locally on the chip.
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