Description
What it is
The Arduino Speech recognition V3.1 module allows you to integrate voice recognition functionality into your Arduino projects. It enables serial control and voice interaction.
Features
- Version: V3.1
- Serial control
- Voice recognition
What it is for
The module is useful for creating interactive and robotic projects. Example: a small robot that moves when it hears the command ‘forward’. Compatible with Arduino.
Tutorial: How to use the Arduino Speech recognition V3.1 module serial control
This module allows you to integrate voice recognition functionality into your Arduino projects. Useful for interactive and robotic projects.
What you need
- Arduino UNO or compatible
- USB cable
- Compatible microphone
- PC with Arduino IDE installed
Steps
- 1. Connect the Arduino to the PC with the USB cable.
- 2. Install the Arduino IDE on PC.
- 3. Check the datasheet for microphone specifications.
- 4. Download the example code from the GitHub repository.
- 5. Upload the code to the Arduino.
- 6. Connect the microphone to the module.
- 7. Check the serial connection.
- 8. Try speaking into the microphone and verify voice recognition.
Example code
const int speechPin = 2; void setup() { Serial.begin(9600); } void loop() { if (Serial.available() > 0) { String input = Serial.readString(); Serial.println(input); } }
Mini project
Create a small robot that moves when it hears the command ‘forward’.
Common mistakes
- Always check the microphone compatibility.
- Check the voltage at the microphone.
- Make sure the serial connection is stable.
- Verify that the code on the Arduino is correct.
Recommended accessories
- Compatible microphone
- LiPo battery
- DC motor
- Wood frame
Frequently asked questions
How can I check the microphone compatibility?
Check the microphone datasheet.
What commands can the module recognize?
The module recognizes predefined commands, check the datasheet for details.
Does the module work with all types of Arduino?
Check the datasheet for Arduino compatibility.





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