Update all examples to document all SD card options

examples/Effects/Bitcrusher/Bitcrusher.ino

 //
 AudioControlSGTL5000 audioShield;
 
+
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
+
 // Bounce objects to read six pushbuttons (pins 0-5)
 //
 Bounce button0 = Bounce(0, 5); // cycles the bitcrusher through all bitdepths
   // sound can play simultaneously without clipping
 
   //SDCard Initialise
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     // stop here, but print a message repetitively
     while (1) {
       Serial.println("Unable to access the SD card");

examples/HardwareTesting/SGTL5000/QuadChannelOutput/QuadChannelOutput.ino

 AudioControlSGTL5000     sgtl5000_1;
 AudioControlSGTL5000     sgtl5000_2;
 
-// Use these with the audio adaptor board
+// Use these with the Teensy Audio Shield
 #define SDCARD_CS_PIN    10
 #define SDCARD_MOSI_PIN  7
 #define SDCARD_SCK_PIN   14
 
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(10);

examples/HardwareTesting/SdCardTest/SdCardTest.ino

 #include <SD.h>
 #include <SPI.h>
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Sd2Card card;
   SdVolume volume;
   while (!Serial) ;
   delay(50);
 
-  // Configure SPI for the audio shield pins
-  SPI.setMOSI(7);  // Audio shield has MOSI on pin 7
-  SPI.setSCK(14);  // Audio shield has SCK on pin 14
+  // Configure SPI
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
 
   Serial.begin(9600);
   Serial.println("SD Card Test");
   Serial.println("------------");
 
   // First, detect the card
-  status = card.init(SPI_FULL_SPEED, 10); // Audio shield has SD card SD on pin 10
+  status = card.init(SPI_FULL_SPEED, SDCARD_CS_PIN);
   if (status) {
     Serial.println("SD card is connected :-)");
   } else {
   Serial.println(" Mbytes.");
 
   // Now open the SD card normally
-  status = SD.begin(10); // Audio shield has SD card CS on pin 10
+  status = SD.begin(SDCARD_CS_PIN);
   if (status) {
     Serial.println("SD library is able to access the filesystem");
   } else {

examples/HardwareTesting/WavFilePlayerUSB/WavFilePlayerUSB.ino

 AudioConnection          patchCord2(playWav1, 1, audioOutput, 1);
 AudioConnection          patchCord3(playWav1, 0, dac, 0);
 
-// Use these with the audio adaptor board
+// Use these with the Teensy Audio Shield
 #define SDCARD_CS_PIN    10
 #define SDCARD_MOSI_PIN  7
 #define SDCARD_SCK_PIN   14
 
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
 

examples/Recorder/Recorder.ino

 const int myInput = AUDIO_INPUT_LINEIN;
 //const int myInput = AUDIO_INPUT_MIC;
 
+
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
+
 // Remember which mode we're doing
 int mode = 0;  // 0=stopped, 1=recording, 2=playing
 
   sgtl5000_1.volume(0.5);
 
   // Initialize the SD card
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     // stop here if no SD card, but print a message
     while (1) {
       Serial.println("Unable to access the SD card");

examples/Tutorial/Part_1_03_Playing_Music/Part_1_03_Playing_Music.ino

 AudioConnection          patchCord2(playSdWav1, 1, i2s1, 1);
 AudioControlSGTL5000     sgtl5000_1;
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(8);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_1_04_Blink_While_Playing/Part_1_04_Blink_While_Playing.ino

 AudioConnection          patchCord2(playSdWav1, 1, audioOutput, 1);
 AudioControlSGTL5000     sgtl5000_1;
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(8);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.45);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_1_05_Do_More_While_Playing/Part_1_05_Do_More_While_Playing.ino

 Bounce button0 = Bounce(0, 15);
 Bounce button2 = Bounce(2, 15);  // 15 = 15 ms debounce time
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(8);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_SCK_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_2_01_First_Design_Tool_Use/Part_2_01_First_Design_Tool_Use.ino

 
 
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(8);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_2_02_Mixers/Part_2_02_Mixers.ino

 
 
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(8);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_2_07_Filters/Part_2_07_Filters.ino

 
 
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 
 // Bounce objects to read pushbuttons 
 Bounce button0 = Bounce(0, 15);
   AudioMemory(12);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_3_01_Peak_Detection/Part_3_01_Peak_Detection.ino

 
 
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   AudioMemory(10);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_3_02_Fourier_Transform/Part_3_02_Fourier_Transform.ino

 
 
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
 
 void setup() {
   Serial.begin(9600);
   AudioMemory(10);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/Part_3_03_TFT_Display/Part_3_03_TFT_Display.ino

 ILI9341_t3 tft = ILI9341_t3(TFT_CS, TFT_DC, TFT_RST, TFT_MOSI, TFT_SCLK, TFT_MISO);
 
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 void setup() {
   Serial.begin(9600);
   delay(500);
   AudioMemory(10);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
-  if (!(SD.begin(10))) {
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  if (!(SD.begin(SDCARD_CS_PIN))) {
     while (1) {
       Serial.println("Unable to access the SD card");
       delay(500);

examples/Tutorial/TestTutorialKit/TestTutorialKit.ino

 Bounce button1 = Bounce(1, 15);
 Bounce button2 = Bounce(2, 15);
 
+// Use these with the Teensy Audio Shield
+#define SDCARD_CS_PIN    10
+#define SDCARD_MOSI_PIN  7
+#define SDCARD_SCK_PIN   14
+
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
+// Use these for the SD+Wiz820 or other adaptors
+//#define SDCARD_CS_PIN    4
+//#define SDCARD_MOSI_PIN  11
+//#define SDCARD_SCK_PIN   13
+
 int mode;
 int count=1;
 int a1=0, a2=0, a3=0;
   pinMode(1, INPUT_PULLUP);
   pinMode(2, INPUT_PULLUP);
   Serial.begin(115200);
-  SPI.setMOSI(7);
-  SPI.setSCK(14);
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
   sgtl5000_1.inputSelect(AUDIO_INPUT_MIC);
       mixer1.gain(0, 0);
       mixer2.gain(0, 0);
       if (sdcardinit) {
-        if (!(SD.begin(10))) {
+        if (!(SD.begin(SDCARD_CS_PIN))) {
           while (1) {
             Serial.println("Unable to access the SD card");
             if (playsamples) sample1.play(AudioSampleNosdcard);

examples/WavFilePlayer/WavFilePlayer.ino

 AudioConnection          patchCord2(playWav1, 1, audioOutput, 1);
 AudioControlSGTL5000     sgtl5000_1;
 
-// Use these with the audio adaptor board
+// Use these with the Teensy Audio Shield
 #define SDCARD_CS_PIN    10
 #define SDCARD_MOSI_PIN  7
 #define SDCARD_SCK_PIN   14
 
+// Use these with the Teensy 3.5 & 3.6 SD card
+//#define SDCARD_CS_PIN    BUILTIN_SDCARD
+//#define SDCARD_MOSI_PIN  11  // not actually used
+//#define SDCARD_SCK_PIN   13  // not actually used
+
 // Use these for the SD+Wiz820 or other adaptors
 //#define SDCARD_CS_PIN    4
 //#define SDCARD_MOSI_PIN  11