diff --git a/pousseseringue-arduino.cpp b/pousseseringue-arduino.cpp
index 25f779a887bc5e37cf2d0ea64ce872ea7fa17671..3c2264c369aff5d4fa1726c7bfb37764b092e87e 100644
--- a/pousseseringue-arduino.cpp
+++ b/pousseseringue-arduino.cpp
@@ -59,6 +59,7 @@ SSD1306AsciiWire oled;
 #include "common.h"
 #include "fs.h"
 
+#include <ESPUI.h> 
 
 
 enum class Modes { TURN, TURNSetup, RPM, RPMSetup, INFO };
@@ -371,6 +372,18 @@ void loop()
     {
         syringe_filled.manage_emergency(bEmergency.pressed(), !!stepper.distanceToGo());
         Serial.printf("%sEmergency=%u (remaining steps = %lu)\n", msgHeader, bEmergency.pressed(), stepper.distanceToGo());
+        
+        if (bEmergency.pressed())
+        {
+            ESPUI.print(web.get_id_status_limit_switch(), "On");
+            web.style (web.get_id_status_limit_switch(), 2);
+        }
+        else
+        {
+            ESPUI.print(web.get_id_status_limit_switch(), "Off");
+            web.style (web.get_id_status_limit_switch(), 1);
+        }
+        
     }
     
 
diff --git a/web.cpp b/web.cpp
index 7eb8419c78e6ebf47b8adb8bee7bb1f44d654642..18e3114a8177bab50dc3c3a6d5e5cbc466d012d3 100644
--- a/web.cpp
+++ b/web.cpp
@@ -144,22 +144,31 @@ void Web :: web_setup()
 }
 
 
+//getters
+uint16_t Web :: get_id_status_limit_switch()
+{
+    return status_limit_switch;
+}
+
 /************CALLBACK_METHODS****************/
 
-//GENERAL CALLBACKS//
-void Web :: number_callback(Control* sender, int type)
+void Web :: lead_screw_pitch_mm_callback(Control* sender, int type)
 /***
 -Argument : Pointer to the controller calling the function, integer according to the controller type.
 -Return   : /
 -Action   : Print the value of the number controller via the serial port.
 ***/
 {
-    Serial.println("Type: number");
-    Serial.println(String("Value: ") + String(sender->value));
-    Serial.println(String("ID: ") + sender->id);
+    syringe_filled.set_lead_screw_pitch_mm(atof(sender->value.c_str()));
+    syringe_filled.save_json();
+
+    serial_print ("lead_screm_pitch_mm (sender->value)", sender);
+
+    Serial.println("lead_screm_pitch_mm (json value)");
+    Serial.println(String("Value: ") + String(syringe_filled.get_lead_screw_pitch_mm()));
     Serial.println("");
-}
 
+}
 
 //SPECIFIC CALLBACKS//
 
@@ -1069,18 +1078,12 @@ void Web :: serial_print (String name, Control* sender)
 }
 
 
-
 //WEB_LOOP//
 void Web :: web_loop()
 {
 #if 0
-	if(millis() > last_time + 4) {
-		last_time = millis();
-        
-        //UPDATES
-
-        //ESPUI.updateSlider(remaining_volume_mL, syringe_filled.step_to_mm(syringe_filled.where_step()*100/syringe_filled.get_syringe_pump_length_mm()));
-
+    if(millis() > last_time + 4) {
+        last_time = millis();
 
         if (syringe_filled.is_running()==false)
         {
@@ -1092,17 +1095,10 @@ void Web :: web_loop()
 
         }
 
-        if (syringe_filled.get_emergency())
-        {
-            ESPUI.print(status_limit_switch, "On");
-            style (status_limit_switch, 2);
-        }
+    }
 
-        else
-        {
-            ESPUI.print(status_limit_switch, "Off");
-            style (status_limit_switch, 1);
-        }
+#endif
+#if 0
 
         if (syringe_filled.get_update_remaining_volume())
             ESPUI.updateSlider(remaining_volume_mL, syringe_filled.get_remaining_volume_mL() + syringe_filled.mm_to_volume(syringe_filled.step_to_mm(syringe_filled.where_step())));
diff --git a/web.h b/web.h
index 2f5ae77896a323484af62e2ba247d88b655397d0..ab8b9146d5e30b05b372649b107e606cb8ce53ad 100644
--- a/web.h
+++ b/web.h
@@ -74,11 +74,14 @@ public :
  void web_setup();
  void web_loop();
 
+//getters
+uint16_t get_id_status_limit_switch();
+
 
 /************CALLBACK_METHODS****************/
 
 //GENERAL CALLBACKS//
- void number_callback(Control* sender, int type);
+ void lead_screw_pitch_mm_callback(Control* sender, int type);
 
 //SPECIFIC CALLBACKS//