diff --git a/developpement_electronique/SamplerX4playsdRaw/SamplerX4playsdRaw.ino b/developpement_electronique/SamplerX4playsdRaw/SamplerX4playsdRaw.ino
new file mode 100644
index 0000000..480aa39
--- /dev/null
+++ b/developpement_electronique/SamplerX4playsdRaw/SamplerX4playsdRaw.ino
@@ -0,0 +1,82 @@
+#define bounceTime 20
+#include <Bounce.h>
+Bounce bouncer1 = Bounce( 1, bounceTime );
+Bounce bouncer2 = Bounce( 2, bounceTime );
+Bounce bouncer3 = Bounce( 3, bounceTime );
+Bounce bouncer4 = Bounce( 4, bounceTime );
+#include <Audio.h>
+#include <Wire.h>
+#include <SPI.h>
+#include <SD.h>
+#include <SerialFlash.h>
+#define LED 13
+// GUItool: begin automatically generated code
+AudioPlaySdRaw           playSdRaw1;     //xy=122,117
+AudioPlaySdRaw           playSdRaw2;     //xy=123,174
+AudioPlaySdRaw           playSdRaw3;     //xy=126,247
+AudioPlaySdRaw           playSdRaw4;     //xy=131,313
+AudioMixer4              mixer1;         //xy=369,208
+AudioOutputAnalogStereo  dacs1;          //xy=547,208
+AudioConnection          patchCord1(playSdRaw1, 0, mixer1, 0);
+AudioConnection          patchCord2(playSdRaw2, 0, mixer1, 1);
+AudioConnection          patchCord3(playSdRaw3, 0, mixer1, 2);
+AudioConnection          patchCord4(playSdRaw4, 0, mixer1, 3);
+AudioConnection          patchCord5(mixer1, 0, dacs1, 0);
+AudioConnection          patchCord6(mixer1, 0, dacs1, 1);
+// GUItool: end automatically generated code
+
+// 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);
+  pinMode(13, OUTPUT);
+  pinMode(1, INPUT_PULLUP);
+  pinMode(2, INPUT_PULLUP);
+  pinMode(3, INPUT_PULLUP);
+  pinMode(4, INPUT_PULLUP);
+  SPI.setMOSI(SDCARD_MOSI_PIN);
+  SPI.setSCK(SDCARD_SCK_PIN);
+  while (!(SD.begin(SDCARD_CS_PIN))) {
+    digitalWrite(13, LOW);
+    delay (100);
+    digitalWrite(13, HIGH);
+    delay (100);
+  }
+  digitalWrite(13, HIGH);
+  delay(100);
+}
+
+void loop() {
+  bouncer1.update ( );
+  bouncer2.update ( );
+  bouncer3.update ( );
+  bouncer4.update ( );
+  if ( bouncer1.fallingEdge()) {
+    playSdRaw1.play("s1.raw");
+  }
+  if ( bouncer2.fallingEdge()) {
+    playSdRaw2.play("s2.raw");
+  }
+  if ( bouncer3.fallingEdge()) {
+    Serial.println("Start playing");
+    playSdRaw3.play("s3.raw");
+  }
+  if ( bouncer4.fallingEdge()) {
+    playSdRaw4.play("s4.raw");
+  }
+}