diff --git a/Programme_arduino_esclave b/Programme_arduino_esclave
new file mode 100644
index 0000000..04ee952
--- /dev/null
+++ b/Programme_arduino_esclave
@@ -0,0 +1,246 @@
+#include <SoftwareSerial.h>
+
+SoftwareSerial soft1(A3,A2);
+SoftwareSerial soft2(6,5);
+SoftwareSerial soft3(9,10);
+
+const int in1 = A5;
+const int out1 = A4;
+
+const int in2 = 8;
+const int out2 = 7;
+
+const int in3 = 11;
+const int out3 = 12;
+
+const int in4 = 2;
+const int out4 = 3;
+
+int prem = 0;
+int papa = 0;
+
+int potar = A0;
+
+void setup()
+{
+  Serial.begin(9600);
+  soft1.begin(9600);
+  soft2.begin(9600);
+  soft3.begin(9600);
+
+  pinMode(in1,INPUT);
+  pinMode(out1,OUTPUT);
+  pinMode(in2,INPUT);
+  pinMode(out2,OUTPUT);
+  pinMode(in3,INPUT);
+  pinMode(out3,OUTPUT);
+  pinMode(in4,INPUT);
+  pinMode(out4,OUTPUT);
+  
+  digitalWrite(out1,LOW);
+  digitalWrite(out2,LOW);
+  digitalWrite(out3,LOW);
+  digitalWrite(out4,LOW);   
+}
+
+void loop()
+{
+  String msg="";
+  char inByte='a';
+  int tps;
+  int timeout;
+  int fin1=0,fin2=0,fin3=0,fin4=0;
+  char id = 0b01100001;
+  if(digitalRead(in1)==HIGH){
+    digitalWrite(out1,HIGH);
+    soft1.listen();
+     timeout=0;
+    tps=millis();
+    while(soft1.available()<=0 && timeout<1000){
+      timeout= millis() - tps;
+      }
+    if(timeout<1000){
+    fin1=1;
+    while(inByte != '\n'){
+      inByte = soft1.read();
+      if(inByte !='\n'){
+        msg += inByte;
+        delay(10);
+      }
+      }
+      if(prem==0){
+        prem=1;
+        papa=1;
+        msg += id;
+        if((id & 0xF0) ==0x60) msg += '{'; //char pour 123
+        else if((id & 0xF0) ==0x40) msg += 0b00000100;
+        msg += '\n';
+      }
+     else msg+= '\n';
+    }
+      digitalWrite(out1, LOW);
+      delay(50);
+  }
+
+  else if(digitalRead(in2)==HIGH){
+    digitalWrite(out2,HIGH);
+    soft2.listen();
+    timeout=0;
+    tps=millis();
+    while(soft2.available()<=0 && timeout<1000){
+      timeout= millis() - tps;
+      }
+    if(timeout<1000){  
+    fin2=1;
+    while(inByte != '\n'){
+      inByte = soft2.read();
+       if(inByte !='\n'){
+        msg += inByte;
+        delay(10);
+      }
+      }
+      if(prem==0){
+        prem=1;
+        papa=2;
+        msg += id;
+        if((id & 0xF0) ==0x60) msg += '{'; //char pour 123
+        else if((id & 0xF0) ==0x40) msg += 0b00000100;
+        msg += '\n';
+      }
+      else msg+= '\n';
+    }
+      digitalWrite(out2, LOW);
+      delay(50);
+  }
+
+else if(digitalRead(in3)==HIGH){
+    digitalWrite(out3,HIGH);
+    soft3.listen();
+    timeout=0;
+    tps=millis();
+    while(soft3.available()<=0 && timeout<1000){
+      timeout= millis() - tps;
+      }
+    if(timeout<1000){  
+    fin3=1;
+    while(inByte != '\n'){
+      inByte = soft3.read();
+       if(inByte !='\n'){
+        msg += inByte;
+        delay(10);
+      }
+      }
+      if(prem==0){
+        prem=1;
+        papa=3;
+        msg += id;
+        if((id & 0xF0) ==0x60) msg += '{'; //char pour 123
+        else if((id & 0xF0) ==0x40) msg += 0b00000100;
+        msg += '\n';
+      }
+      else msg+= '\n';
+    }
+      digitalWrite(out3, LOW);
+      delay(50);
+  }
+
+  else if(digitalRead(in4)==HIGH){
+    digitalWrite(out4,HIGH);
+    timeout=0;
+    tps=millis();
+    while(Serial.available()<=0 && timeout<1000){
+      timeout= millis() - tps;
+      }
+    if(timeout<1000){  
+    fin4=1;
+    while(inByte != '\n'){
+      inByte = Serial.read();
+       if(inByte !='\n'){
+        msg += inByte;
+        delay(10);
+      }
+    }
+      if(prem==0){
+        prem=1;
+        papa=4;
+        msg += id;
+        if((id & 0xF0) ==0x60) msg += '{'; //char pour 123
+        else if((id & 0xF0) ==0x40) msg += 0b00000100;
+        msg += '\n';
+      }
+      else msg+= '\n';
+    }
+      digitalWrite(out4, LOW);
+      delay(50);
+  }
+    
+  if(fin1==1 || fin2==1 || fin3==1 || fin4==1){
+    if((fin1==1 && papa == 1) || (fin1 == 0)){
+    timeout=0;
+    tps = millis();
+    while(timeout<1000){
+      digitalWrite(out1,HIGH);
+      timeout= millis() - tps;
+      if(fin1==1) timeout=0;
+      if(digitalRead(in1)==HIGH){
+        soft1.print(msg);
+        soft1.flush();
+        timeout = 1001;
+      }
+    }
+    digitalWrite(out1,LOW);
+    }
+
+   if((fin2==1 && papa == 2) || (fin2 == 0)){
+    timeout=0;
+    tps = millis();
+    while(timeout<1000){
+      digitalWrite(out2,HIGH);
+      timeout= millis() - tps;
+      if(fin2==1) timeout=0;
+      if(digitalRead(in2)==HIGH){
+        soft2.print(msg);
+        soft2.flush();
+        digitalWrite(out2,LOW);
+        timeout = 1001;
+      }
+    }
+    digitalWrite(out2,LOW);
+    }
+    
+    
+    if((fin3==1 && papa == 3) || (fin3 == 0)){
+    timeout=0;
+    tps = millis();
+    while(timeout<1000){
+      digitalWrite(out3,HIGH);
+      timeout= millis() - tps;
+      if(fin3==1) timeout=0;
+      if(digitalRead(in3)==HIGH){
+        soft3.print(msg);
+        soft3.flush();
+        digitalWrite(out3,LOW);
+        timeout = 1001;
+      }
+    }
+    digitalWrite(out3,LOW);
+    }
+
+    if((fin4==1 && papa == 4) || (fin4 == 0)){
+    timeout=0;
+    tps = millis();
+    while(timeout<1000){
+      digitalWrite(out4,HIGH);
+      timeout= millis() - tps;
+      if(fin4==1) timeout=0;
+      if(digitalRead(in4)==HIGH){
+        Serial.print(msg);
+        Serial.flush();
+        digitalWrite(out4,LOW);
+        timeout = 1001;
+      }
+    }
+    digitalWrite(out4,LOW);
+    }
+  }
+}
\ No newline at end of file
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