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Home / Development Boards & Control Boards / ASR-PRO Voice Recognition Module AI Offline Voice Development Board Tianwen Learning Module Serial One-Click Download

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Main Chipset ASR-PRO AI Processor
Communication Interface UART / TTL Serial
Operating Voltage 5V DC
Recognition Mode Offline Speech Recognition
Supported Languages English, Mandarin Chinese
Flash Memory 16MB SPI Flash
Operating Temperature -20°C to 70°C
Board Dimensions 50mm x 30mm x 10mm
Net Weight 15 grams
Package Includes 1x Board, 1x Pin Header, 1x USB Cable

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Perfect for my thesis

Offline capability saves latency which was crucial for my project. Very happy with the purchase and performance.

A

Anonymous

Mar 19, 2026

Rating: 4/5

Good value for money

Stable performance. Wish it had WiFi built-in but understood it's offline focused. Great for specific voice control tasks.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Fast response time

Recognizes commands quickly even with some background noise. Integration with my microcontroller was straightforward.

A

Anonymous

Feb 04, 2026

Rating: 5/5

Great for IoT projects

Works exactly as described. The UART flashing is super convenient and saves a lot of time during development.

A

Anonymous

Jan 30, 2026

Rating: 4/5

Solid board, minor learning curve

Good recognition accuracy. Documentation could be more detailed for beginners but overall a robust piece of hardware.

5 FAQ

Q: What is the power consumption?

A: Typical consumption is around 50mA during active recognition mode.

Q: Can I train custom voice commands?

A: Yes, the Tianwen module allows custom command training via the PC configuration tool.

Q: Does it come with a microphone?

A: No, you need to connect an external microphone module to the audio input pins.

Q: Is this compatible with Arduino?

A: Yes, it communicates via UART which works well with Arduino Uno and Mega boards.

Q: Is the configuration software free?

A: Yes, the configuration software and necessary drivers are available for free download on our website.

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