diff --git a/03-software/ch/kb28/blinkerProject/app/factory/factory.c b/03-software/ch/kb28/blinkerProject/app/factory/factory.c
index 3133334..2e9fefb 100755
--- a/03-software/ch/kb28/blinkerProject/app/factory/factory.c
+++ b/03-software/ch/kb28/blinkerProject/app/factory/factory.c
@@ -62,8 +62,11 @@ CLICK_HANDLER* ch3() {
     return &theFactory.ch3_;
 }
 
-BLINKER* blA() {
-    return &theFactory.blA_;
+BLINKER* blL() {
+    return &theFactory.blL_;
+}
+BLINKER* blR() {
+    return &theFactory.blR_;
 }
 BLINKER* blB() {
     return &theFactory.blB_;
@@ -106,31 +109,44 @@ void Factory_init() {
     CLICK_HANDLER_init(ch2(), b2());
     CLICK_HANDLER_init(ch3(), b3());
     
-    BLINKER_init(blA());
+    BLINKER_init(blL());
+    BLINKER_init(blR());
     BLINKER_init(blB());
     
 }
 
+void warningBlink(void* on_){
+    bool on = (bool)on_;
+    BLINKER_endBlink(blL());
+    BLINKER_endBlink(blR());
+    if(on) {
+        LED_on(l1());
+        LED_on(l10());
+    } else {
+        LED_off(l1());
+        LED_off(l10());
+    }
+}
+
 //connect objects if required
 void Factory_build() {
-    BLINKER_defineNblink(blA(), 3);
-    BLINKER_defineNblink(blB(), 5);
+        
     
-    BLINKER_setTimeOn(blA(), 20);
-    BLINKER_setTimeOff(blA(), 480);
+    BLINKER_setTurnOn(blL(), BLINKER_defineCallBack(&LED_on, l1()));
+    BLINKER_setTurnOff(blL(), BLINKER_defineCallBack(&LED_off, l1()));
+    BLINKER_setTurnOn(blR(), BLINKER_defineCallBack(&LED_on, l10()));
+    BLINKER_setTurnOff(blR(), BLINKER_defineCallBack(&LED_off, l10()));
+    BLINKER_setTurnOn(blB(), BLINKER_defineCallBack(&warningBlink, true));
+    BLINKER_setTurnOff(blB(), BLINKER_defineCallBack(&warningBlink, false));
     
-    BLINKER_setTurnOn(blA(), BLINKER_defineCallBack(&LED_on, l1()));
-    BLINKER_setTurnOff(blA(), BLINKER_defineCallBack(&LED_off, l1()));
-    BLINKER_setTurnOn(blB(), BLINKER_defineCallBack(&LED_on, l10()));
-    BLINKER_setTurnOff(blB(), BLINKER_defineCallBack(&LED_off, l10()));
+    CLICK_HANDLER_setSingleClickCallback(ch1(), CLICK_HANDLER_defineCallBack(&BLINKER_toggle, blL()));
+    CLICK_HANDLER_setSingleClickCallback(ch3(), CLICK_HANDLER_defineCallBack(&BLINKER_toggle, blR()));
     
-    CLICK_HANDLER_setSingleClickCallback(ch1(), CLICK_HANDLER_defineCallBack(&BLINKER_blink, blA()));
-    CLICK_HANDLER_setDoubleClickCallback(ch1(), CLICK_HANDLER_defineCallBack(&BLINKER_endBlink, blA()));
-    CLICK_HANDLER_setLongClickCallback(ch1(), CLICK_HANDLER_defineCallBack(&BLINKER_blinkN, blA()));
+    CLICK_HANDLER_setDoubleClickCallback(ch1(), CLICK_HANDLER_defineCallBack(&BLINKER_blinkN, blL()));
+    CLICK_HANDLER_setDoubleClickCallback(ch3(), CLICK_HANDLER_defineCallBack(&BLINKER_blinkN, blR()));
     
-    CLICK_HANDLER_setSingleClickCallback(ch3(), CLICK_HANDLER_defineCallBack(&BLINKER_blink, blB()));
-    CLICK_HANDLER_setDoubleClickCallback(ch3(), CLICK_HANDLER_defineCallBack(&BLINKER_endBlink, blB()));
-    CLICK_HANDLER_setLongClickCallback(ch3(), CLICK_HANDLER_defineCallBack(&BLINKER_blinkN, blB()));
+    CLICK_HANDLER_setLongClickCallback(ch1(), CLICK_HANDLER_defineCallBack(&BLINKER_toggle, blB()));
+    CLICK_HANDLER_setLongClickCallback(ch3(), CLICK_HANDLER_defineCallBack(&BLINKER_toggle, blB()));
     
 }
 
@@ -142,6 +158,7 @@ void Factory_start() {
     CLICK_HANDLER_startBehaviour(ch1());
     CLICK_HANDLER_startBehaviour(ch2());
     CLICK_HANDLER_startBehaviour(ch3());
-    BLINKER_starBehaviour(blA());
+    BLINKER_starBehaviour(blL());
+    BLINKER_starBehaviour(blR());
     BLINKER_starBehaviour(blB());
 }
diff --git a/03-software/ch/kb28/blinkerProject/app/factory/factory.h b/03-software/ch/kb28/blinkerProject/app/factory/factory.h
index 4db7530..7040c0a 100755
--- a/03-software/ch/kb28/blinkerProject/app/factory/factory.h
+++ b/03-software/ch/kb28/blinkerProject/app/factory/factory.h
@@ -32,7 +32,8 @@ typedef struct {
     CLICK_HANDLER ch1_;
     CLICK_HANDLER ch2_;
     CLICK_HANDLER ch3_;
-    BLINKER blA_;
+    BLINKER blL_;
+    BLINKER blR_;
     BLINKER blB_;
 } Factory;
 
@@ -61,7 +62,8 @@ CLICK_HANDLER* ch1();
 CLICK_HANDLER* ch2();
 CLICK_HANDLER* ch3();
 
-BLINKER* blA();
+BLINKER* blL();
+BLINKER* blR();
 BLINKER* blB();
 
 #endif
\ No newline at end of file
diff --git a/03-software/ch/kb28/blinkerProject/middleware/blinker.c b/03-software/ch/kb28/blinkerProject/middleware/blinker.c
index 4ae1419..e42c1ab 100644
--- a/03-software/ch/kb28/blinkerProject/middleware/blinker.c
+++ b/03-software/ch/kb28/blinkerProject/middleware/blinker.c
@@ -132,3 +132,18 @@ bool BLINKER_processEvent(Event* ev) {
 void BLINKER_endBlink(BLINKER* me) {
     me->remainBlinks = 0;
 }
+
+void BLINKER_toggle(BLINKER* me){
+    switch(me->state) {
+        case STBL_WAIT:
+            BLINKER_blink(me);
+            break;
+        case STBL_OFF:
+            BLINKER_endBlink(me);
+            break;
+        case STBL_ON:
+            BLINKER_endBlink(me);
+            break;
+    }
+    me->toggleRemainBlinks = me->remainBlinks;
+}
diff --git a/03-software/ch/kb28/blinkerProject/middleware/blinker.h b/03-software/ch/kb28/blinkerProject/middleware/blinker.h
index 4c12fbb..35b1f8f 100644
--- a/03-software/ch/kb28/blinkerProject/middleware/blinker.h
+++ b/03-software/ch/kb28/blinkerProject/middleware/blinker.h
@@ -120,6 +120,8 @@ bool BLINKER_processEvent(Event* ev);
  */
 void BLINKER_endBlink(BLINKER* me);
 
+void BLINKER_toggle(BLINKER* me);
+
 
 #endif	/* BLINKER_H */