I FOUND A PROBLEM ON MY ARDUINO,, MY SD CARD MODULE IS NOT READ BY THE ARDUINO WITH ERROR DESCRIPTION..PLEASE HELP ME TO COMPLETE THIS PROJECT
Please post your code in code tags <code/>
Could you make a schematic of your project?
Photos of the setup?
This will help us help you.
Thank you.
This is what a program will look like when in code tags.
void setup(){
// stuff here
}
void loop(){
// loop stuff
}
SD fail
SD fail
Do you have an SD card adapter connected, receiving enough power with the SD card inserted?
This is for the rest of your sketch...
#include <SD.h> // need to include the SD library
//#include <SDfatlib.h>
#define SD_ChipSelectPin 4 //example uses hardware SS pin 53 on Mega2560
//#define SD_ChipSelectPin 4 //using digital pin 4 on arduino nano 328, can use other pins
#include <TMRpcm.h>
#include <SPI.h>
TMRpcm tmrpcm;
int knockSensor = 0;
int knockSensor1 = 1;
int knockSensor2 = 2;
int knockSensor3 = 3;
byte val = 0;
byte val1 = 0;
byte val2 = 0;
byte val3 = 0;
int THRESHOLD = 80;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
tmrpcm.speakerPin = 9; //46 on Mega, 9 on Uno, Nano, etc
//Serial.begin(9600);
pinMode(9,OUTPUT);
//digitalWrite(46,HIGH);
if (!SD.begin(SD_ChipSelectPin)) { // see if the card is present and can be initialized:
Serial.println("SD fail");
return; // don't do anything more if not
}
else{
Serial.println("Done");
}
}
void loop() {
val = analogRead(A1);
val1 = analogRead(A2);
val2 = analogRead(A3);
val3 = analogRead(A4);
if (val >= THRESHOLD) {
tmrpcm.play("PAD1.wav");
}
if (val1 >= THRESHOLD) {
tmrpcm.play("PAD2.wav");
}
if (val2 >= THRESHOLD) {
tmrpcm.play("PAD3.wav");
}
if (val3 >= THRESHOLD) {
tmrpcm.play("PAD4.wav");
}
}
#include <SD.h> // need to include the SD library
//#include <SDfatlib.h>
#define SD_ChipSelectPin 4 //example uses hardware SS pin 53 on Mega2560
//#define SD_ChipSelectPin 4 //using digital pin 4 on arduino nano 328, can use other pins
#include <TMRpcm.h>
#include <SPI.h>
TMRpcm tmrpcm;
int knockSensor = 0;
int knockSensor1 = 1;
int knockSensor2 = 2;
int knockSensor3 = 3;
byte val = 0;
byte val1 = 0;
byte val2 = 0;
byte val3 = 0;
int THRESHOLD = 80;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
tmrpcm.speakerPin = 9; //46 on Mega, 9 on Uno, Nano, etc
//Serial.begin(9600);
pinMode(9,OUTPUT);
//digitalWrite(46,HIGH);
if (!SD.begin(SD_ChipSelectPin)) { // see if the card is present and can be initialized:
Serial.println("SD fail");
return; // don't do anything more if not
}
else{
Serial.println("Done");
}
}
void loop() {
val = analogRead(A1);
val1 = analogRead(A2);
val2 = analogRead(A3);
val3 = analogRead(A4);
if (val >= THRESHOLD) {
tmrpcm.play("PAD1.wav");
}
if (val1 >= THRESHOLD) {
tmrpcm.play("PAD2.wav");
}
if (val2 >= THRESHOLD) {
tmrpcm.play("PAD3.wav");
}
if (val3 >= THRESHOLD) {
tmrpcm.play("PAD4.wav");
}
}
IS SOMETHING WRONG WITH MY SKETCH? PLEASE HELP ME
Could you post the schematic?
No idea about the sketch. Not my expertise.
Code tags?
Take a look at this:
Thanks.
WHAT DO YOU MEAN CABLE ROUTING FROM ARDUINO TO SD CARD MODULETeks terformat
Thanks
1 Like
sorry i just copy the text in google translate ,, i cannot speak english ..forgive me if itype wrong 
FYI:
If you want and your Language is in the category you can use the international categories.
But let's stick to this topic(no cross-posts please).
Thanks.
Can we have serval photos of the wiring, preferably from different angles?
Thanks.
Me too but I type in lowercase. 
Post #3 was three questions:
- Are the pins on your SD card reader/adapter connected to the right pins on the Arduino (13, 12, 11, 10, Vcc, GND)?
- is there enough power for the SD card reader (are there more devices using Arduino power)?
- Is a formatted SD card inserted into the SD card reader?
Read Post #6.
Is this the right configuration for the nano?
Is the button debounced?
Are those one circuit or two?
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