For this tutorial, you’ll need:
Watch this full video:
Download the library before you start
Led Control Example Code:
#include <SoftwareSerial.h>
#include "VoiceRecognitionV3.h"
VR myVR(2,3); // 2:RX 3:TX, you can choose your favourite pins.
uint8_t records[7]; // save record
uint8_t buf[64];
int led = 13;
#define onRecord (0)
#define offRecord (1)
#define play (2)
#define playtime 500
/**
@brief Print signature, if the character is invisible,
print hexible value instead.
@param buf --> command length
len --> number of parameters
*/
void printSignature(uint8_t *buf, int len)
{
int i;
for(i=0; i<len; i++){
if(buf[i]>0x19 && buf[i]<0x7F){
Serial.write(buf[i]);
}
else{
Serial.print("[");
Serial.print(buf[i], HEX);
Serial.print("]");
}
}
}
/**
@brief Print signature, if the character is invisible,
print hexible value instead.
@param buf --> VR module return value when voice is recognized.
buf[0] --> Group mode(FF: None Group, 0x8n: User, 0x0n:System
buf[1] --> number of record which is recognized.
buf[2] --> Recognizer index(position) value of the recognized record.
buf[3] --> Signature length
buf[4]~buf[n] --> Signature
*/
void printVR(uint8_t *buf)
{
Serial.println("VR Index\tGroup\tRecordNum\tSignature");
Serial.print(buf[2], DEC);
Serial.print("\t\t");
if(buf[0] == 0xFF){
Serial.print("NONE");
}
else if(buf[0]&0x80){
Serial.print("UG ");
Serial.print(buf[0]&(~0x80), DEC);
}
else{
Serial.print("SG ");
Serial.print(buf[0], DEC);
}
Serial.print("\t");
Serial.print(buf[1], DEC);
Serial.print("\t\t");
if(buf[3]>0){
printSignature(buf+4, buf[3]);
}
else{
Serial.print("NONE");
}
Serial.println("\r\n");
}
void setup()
{
/** initialize */
myVR.begin(9600);
Serial.begin(115200);
Serial.println("Elechouse Voice Recognition V3 Module\r\nControl LED sample");
pinMode(led, OUTPUT);
if(myVR.clear() == 0){
Serial.println("Recognizer cleared.");
}else{
Serial.println("Not find VoiceRecognitionModule.");
Serial.println("Please check connection and restart Arduino.");
while(1);
}
if(myVR.load((uint8_t)onRecord) >= 0){
Serial.println("onRecord loaded");
}
if(myVR.load((uint8_t)offRecord) >= 0){
Serial.println("offRecord loaded");
}
if(myVR.load((uint8_t)play) >= 0){
Serial.println("play loaded");
}
}
void loop()
{
int ret;
ret = myVR.recognize(buf, 50);
if(ret>0){
switch(buf[1]){
case onRecord:
/** turn on LED */
digitalWrite(led, HIGH);
Serial.println("LED ON");
delay(1000);
break;
case offRecord:
/** turn off LED*/
digitalWrite(led, LOW);
Serial.println("LED OFF");
delay(1000);
break;
case play:
digitalWrite(led, HIGH);
delay(playtime);
digitalWrite(led, LOW);
delay(playtime);
digitalWrite(led, HIGH);
delay(playtime);
digitalWrite(led, LOW);
delay(playtime);
digitalWrite(led, HIGH);
delay(playtime);
digitalWrite(led, LOW);
delay(playtime);
digitalWrite(led, HIGH);
delay(playtime);
digitalWrite(led, LOW);
delay(playtime);
default:
Serial.println("Record function undefined");
break;
}
/** voice recognized */
printVR(buf);
}
}
Talking With Arduino Code:
#include <SoftwareSerial.h>
#include "VoiceRecognitionV3.h"
VR myVR(2,3); // 2:RX 3:TX, you can choose your favourite pins.
uint8_t records[7]; // save record
uint8_t buf[64];
int led = 13;
#define Hello (0)
#define Kifik (1)
#define Hamdellah (2)
#define ChouFikeTa3mle (3)
#define Bye (4)
#define playtime 500
/**
@brief Print signature, if the character is invisible,
print hexible value instead.
@param buf --> command length
len --> number of parameters
*/
void printSignature(uint8_t *buf, int len)
{
int i;
for(i=0; i<len; i++){
if(buf[i]>0x19 && buf[i]<0x7F){
Serial.write(buf[i]);
}
else{
Serial.print("[");
Serial.print(buf[i], HEX);
Serial.print("]");
}
}
}
/**
@brief Print signature, if the character is invisible,
print hexible value instead.
@param buf --> VR module return value when voice is recognized.
buf[0] --> Group mode(FF: None Group, 0x8n: User, 0x0n:System
buf[1] --> number of record which is recognized.
buf[2] --> Recognizer index(position) value of the recognized record.
buf[3] --> Signature length
buf[4]~buf[n] --> Signature
*/
void printVR(uint8_t *buf)
{
Serial.println("VR Index\tGroup\tRecordNum\tSignature");
Serial.print(buf[2], DEC);
Serial.print("\t\t");
if(buf[0] == 0xFF){
Serial.print("NONE");
}
else if(buf[0]&0x80){
Serial.print("UG ");
Serial.print(buf[0]&(~0x80), DEC);
}
else{
Serial.print("SG ");
Serial.print(buf[0], DEC);
}
Serial.print("\t");
Serial.print(buf[1], DEC);
Serial.print("\t\t");
if(buf[3]>0){
printSignature(buf+4, buf[3]);
}
else{
Serial.print("NONE");
}
Serial.println("\r\n");
}
void setup()
{
/** initialize */
myVR.begin(9600);
Serial.begin(115200);
Serial.println("Elechouse Voice Recognition V3 Module\r\nControl LED sample");
pinMode(led, OUTPUT);
if(myVR.clear() == 0){
Serial.println("Recognizer cleared.");
}else{
Serial.println("Not find VoiceRecognitionModule.");
Serial.println("Please check connection and restart Arduino.");
while(1);
}
if(myVR.load((uint8_t)Hello) >= 0){
// Serial.println("You: Hello");
}
if(myVR.load((uint8_t)Kifik) >= 0){
// Serial.println("You: Kifik?");
}
if(myVR.load((uint8_t)Hamdellah) >= 0){
// Serial.println("You: Hamdellah");
}
if(myVR.load((uint8_t)ChouFikeTa3mle) >= 0){
// Serial.println("You: Chou Fike Ta3mle?");
}
if(myVR.load((uint8_t)Bye) >= 0){
// Serial.println("You: Bye");
}
}
void loop()
{
int ret;
ret = myVR.recognize(buf, 50);
if(ret>0){
switch(buf[1]){
case Hello:
Serial.println("");
Serial.println("You: Hello");
Serial.println("Arduino: Ahlan");
Serial.println("");
break;
case Kifik:
Serial.println("");
Serial.println("You: Kifik?");
Serial.println("Arduino: Mniha w inta?");
Serial.println("");
break;
case Hamdellah:
Serial.println("");
Serial.println("You: Hamdellah");
Serial.println("Arduino: Good!");
Serial.println("");
break;
case ChouFikeTa3mle:
Serial.println("");
Serial.println("You: Chou Fike Ta3mle?");
Serial.println("You: Natretak T2ele");
Serial.println("");
break;
case Bye:
Serial.println("");
Serial.println("You: Bye");
Serial.println("Arduino: Allah ma3ak, ntebih 3al tari2 inta w rayi7, Iza lta2et bel 3askar l 3esmene ma tghayir tari2ak, 3am bi la2to s3edin");
Serial.println("");
break;
default:
Serial.println("Record function undefined");
break;
}
/** voice recognized */
// printVR(buf);
}
}
