Well, I can't be bothered to explaining how it works and stuff, if you want to know the reason then please visit All Arduino posts page. If you are coming from YouTube then you probably have already seen the video where I've explained everything. So here is the Sketch for that video.
For people who wants to know what video is then I would like to say read the reason carefully then you will find out why I'm so frustrated about helping people.
#include <SoftwareSerial.h> #define ARDUINO_RX 5 //should connect to TX of the Serial MP3 Player module #define ARDUINO_TX 6 //connect to RX of the module SoftwareSerial mySerial(ARDUINO_RX, ARDUINO_TX); static int8_t Send_buf[8] = {0} ; #define CMD_SEL_DEV 0X09 #define DEV_TF 0X02 #define CMD_PLAY_W_VOL 0X22 void setup() { mySerial.begin(9600); Serial.begin(9600); delay(500);//Wait chip initialization is complete sendCommand(CMD_SEL_DEV, DEV_TF);//select the TF card delay(200);//wait for 200ms } void loop() { delay(500); // gets the readings after 1 second // read the input on analog pin 0: int sensorValue = analogRead(A0); Serial.println(sensorValue); if (sensorValue <=1010){ Serial.println(sensorValue); sendCommand(CMD_PLAY_W_VOL, 0X1E01); //play the sound track } else { Serial.println(sensorValue); } } void sendCommand(int8_t command, int16_t dat) { delay(20); Send_buf[0] = 0x7e; Send_buf[1] = 0xff; Send_buf[2] = 0x06; Send_buf[3] = command; Send_buf[4] = 0x00;//0x00 = no feedback, 0x01 = feedback Send_buf[5] = (int8_t)(dat >> 8);//datah Send_buf[6] = (int8_t)(dat); //datal Send_buf[7] = 0xef; //ending byte for(uint8_t i=0; i<8; i++)// { mySerial.write(Send_buf[i]) ; } } |
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