Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ASRPRO 5.0
Communication Interface	UART / TTL
Operating Voltage	5V DC
Operating Temperature	-20°C to 70°C
Recognition Distance	3-5 Meters
Supported Languages	English, Chinese (Customizable)
Board Dimensions	45 x 20 x 8 mm
Net Weight	12 grams
GPIO Pins	6 Programmable Outputs
Firmware Update	Via USB to TTL Adapter

5 reviews

Anonymous

Mar 12, 2026

Rating: 3/5

Pinout is tiny

Functionality is good but the pin labels are very small and hard to read.

Anonymous

Mar 06, 2026

Rating: 5/5

Fast recognition speed

Impressed by how quickly it picks up commands. Integrated well with my ESP32.

Anonymous

Feb 14, 2026

Rating: 5/5

Excellent offline capability

Works great without internet. Perfect for privacy-focused smart home projects.

Anonymous

Jan 27, 2026

Rating: 5/5

Best value for money

Cheaper than other voice modules and performs just as well for basic commands.

Anonymous

Jan 26, 2026

Rating: 4/5

Good hardware, docs need work

The module itself is reliable. I wish the English documentation was more detailed.

5 FAQ

Q: Can I customize the voice commands?

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

Q: What voltage does it require?

A: The module operates on a standard 5V DC power supply.

Q: Does this need WiFi to work?

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

Q: Is it compatible with Arduino?

A: Yes, it communicates via UART so it is compatible with Arduino and similar boards.

Q: Is there a microphone onboard?

A: Yes, it includes an onboard microphone, but you can also connect an external one.

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