Introduction: Arduino Voice Control
Step 1: Part list
Step 2: The Access port
Step 3: Arduino
Step 1: Part List
- Voice recognition module V2 (Ebay ~22$)
- USB to TTL module (~2$)
- Arduino nano (~6$)
- Breadboard
- 3 Led
- some wire
Software:- Serial tool (Im using Accessport, link in video description)
Step 2: Teach the Voice Module
This module can learn 3x5 voice command. (3 group, each group with 5, max 1300ms long command)
To teach, we need a serial tool: Accessport.
- Start the program, plug in the module with the USB to TTL board.
- From the Monitor/Ports menu, select the voice module. If not see, click refresh.
- In settings menu use this settings:
Baud rate: 9600
Parity bit: NONE
Data bit: 8
Stop bit: 1
Send format: HEX
Receive format: Char
Other settings as default.
- The first time, we need to choose "common" or "compact" mode.
Im using "common mode".
- For this, send "0x36" to the board.:
Just type after the "00000000" AA36, and click "Send".
If its ok, above you can see "common mode" text.
The modul now ready to learn.
- To teach the commands, send "0x11" to the module. (this mean, we record to the first group).
Type after the "00000000" AA11, and click "Send".
- After appear the "START" word above, tell the first command, repeat if ask.
"Finish one" mean, you done with the command, immediately afterwards ask the 4 other command in same way.
"Group 1 finished" mean you are done, close the app, unplug the module,
Step 3: The Arduino Code
- After disconnected the voice module, connect the arduino, and upload this code.
Or download from my google docs. (Link in the video description)
- Leds connected to the pin 9,10,11. (use resistor)
- After code uploaded, unplug the arduino, connect the voice modul:
VCC to 5V
GND to GND
Rx to Tx
Tx to Rx
- Power on the arduino, wait 3-5 sec until ready.
- Talk to your arduino :)
Code:
int redPin = 9;
int greenPin = 10;
int bluePin = 11; byte
com = 0; //reply from voice recognition
void setup() { Serial.begin(9600);
pinMode(redPin, OUTPUT);
pinMode(greenPin, OUTPUT);
pinMode(bluePin, OUTPUT);
delay(2000);
Serial.write(0xAA);
Serial.write(0x37);
delay(1000);
Serial.write(0xAA);
Serial.write(0x21);
}
void loop()
{
while(Serial.available())
{
com = Serial.read();
switch(com)
{
case 0x11:
digitalWrite(redPin, HIGH);
break;
case 0x12:
digitalWrite(greenPin, HIGH);
break;
case 0x13:
digitalWrite(bluePin, HIGH);
break;
case 0x14:
digitalWrite(redPin, HIGH);
digitalWrite(greenPin, HIGH);
digitalWrite(bluePin, HIGH);
break;
case 0x15:
digitalWrite(redPin, LOW);
digitalWrite(greenPin, LOW);
digitalWrite(bluePin, LOW);
break;
}
}
}
