diff --git a/02-UML/blinkerProject.gaphor b/02-UML/blinkerProject.gaphor
index 53cda00..a313dfd 100644
--- a/02-UML/blinkerProject.gaphor
+++ b/02-UML/blinkerProject.gaphor
@@ -491,14 +491,14 @@ controlflow {
 <ownedPresentation>
 <reflist>
 <ref refid="5b2fd4e0-f934-11ed-9255-63f0557fde52"/>
-<ref refid="c72185b8-f933-11ed-9a87-63f0557fde52"/>
-<ref refid="94affb5c-f884-11ed-a5a1-13329a597780"/>
-<ref refid="9c0a2ce0-f884-11ed-bffb-13329a597780"/>
+<ref refid="1c087b2f-f885-11ed-94d1-13329a597780"/>
+<ref refid="7edc4809-f932-11ed-b53e-63f0557fde52"/>
 <ref refid="be92f8df-f933-11ed-b3fe-63f0557fde52"/>
 <ref refid="0956564e-f885-11ed-9bee-13329a597780"/>
 <ref refid="0c971dd7-f885-11ed-b302-13329a597780"/>
-<ref refid="1c087b2f-f885-11ed-94d1-13329a597780"/>
-<ref refid="7edc4809-f932-11ed-b53e-63f0557fde52"/>
+<ref refid="c72185b8-f933-11ed-9a87-63f0557fde52"/>
+<ref refid="94affb5c-f884-11ed-a5a1-13329a597780"/>
+<ref refid="9c0a2ce0-f884-11ed-bffb-13329a597780"/>
 <ref refid="67674d02-f935-11ed-9901-63f0557fde52"/>
 <ref refid="6c5714c5-f935-11ed-8a10-63f0557fde52"/>
 <ref refid="50265642-f936-11ed-a169-63f0557fde52"/>
@@ -767,8 +767,8 @@ controlflow {
 </name>
 <nestedNode>
 <reflist>
-<ref refid="0c963f61-f885-11ed-9227-13329a597780"/>
 <ref refid="095502b8-f885-11ed-a2e2-13329a597780"/>
+<ref refid="0c963f61-f885-11ed-9227-13329a597780"/>
 </reflist>
 </nestedNode>
 <node>
@@ -795,8 +795,8 @@ controlflow {
 </height>
 <children>
 <reflist>
-<ref refid="0c971dd7-f885-11ed-b302-13329a597780"/>
 <ref refid="0956564e-f885-11ed-9bee-13329a597780"/>
+<ref refid="0c971dd7-f885-11ed-b302-13329a597780"/>
 </reflist>
 </children>
 <diagram>
@@ -818,8 +818,8 @@ controlflow {
 </name>
 <nestedNode>
 <reflist>
-<ref refid="9c095869-f884-11ed-b872-13329a597780"/>
 <ref refid="b10aa853-f881-11ed-97c2-13329a597780"/>
+<ref refid="9c095869-f884-11ed-b872-13329a597780"/>
 </reflist>
 </nestedNode>
 <node>
@@ -846,8 +846,8 @@ controlflow {
 </height>
 <children>
 <reflist>
-<ref refid="9c0a2ce0-f884-11ed-bffb-13329a597780"/>
 <ref refid="94affb5c-f884-11ed-a5a1-13329a597780"/>
+<ref refid="9c0a2ce0-f884-11ed-bffb-13329a597780"/>
 </reflist>
 </children>
 <diagram>
@@ -3068,16 +3068,16 @@ controlflow {
 </name>
 <ownedPresentation>
 <reflist>
-<ref refid="75ee93e3-f93c-11ed-9a05-63f0557fde52"/>
 <ref refid="4084155e-f93c-11ed-86d2-63f0557fde52"/>
 <ref refid="4ee80eae-f93c-11ed-8001-63f0557fde52"/>
+<ref refid="75ee93e3-f93c-11ed-9a05-63f0557fde52"/>
 <ref refid="4b106bcc-f945-11ed-9b34-63f0557fde52"/>
 <ref refid="5ccae748-f946-11ed-baec-63f0557fde52"/>
 <ref refid="10624ddb-f949-11ed-a5ed-63f0557fde52"/>
-<ref refid="619bb04d-f93c-11ed-b47e-63f0557fde52"/>
 <ref refid="2e42c936-f93d-11ed-ae1b-63f0557fde52"/>
-<ref refid="9c5ea4d9-f945-11ed-954c-63f0557fde52"/>
 <ref refid="8fd0a50f-f944-11ed-90c5-63f0557fde52"/>
+<ref refid="619bb04d-f93c-11ed-b47e-63f0557fde52"/>
+<ref refid="9c5ea4d9-f945-11ed-954c-63f0557fde52"/>
 <ref refid="5e9a7e73-f947-11ed-9868-63f0557fde52"/>
 <ref refid="926b14d7-f947-11ed-930c-63f0557fde52"/>
 <ref refid="f119471e-f947-11ed-81c2-63f0557fde52"/>
@@ -3141,8 +3141,8 @@ controlflow {
 <Interaction id="4087d253-f93c-11ed-ba24-63f0557fde52">
 <lifeline>
 <reflist>
-<ref refid="4ee7358b-f93c-11ed-8438-63f0557fde52"/>
 <ref refid="40832be7-f93c-11ed-b943-63f0557fde52"/>
+<ref refid="4ee7358b-f93c-11ed-8438-63f0557fde52"/>
 <ref refid="5cca7bec-f946-11ed-9aa9-63f0557fde52"/>
 <ref refid="1061d7c0-f949-11ed-86c9-63f0557fde52"/>
 </reflist>
@@ -3314,17 +3314,17 @@ controlflow {
 <val>(-45.1662654094919, 35.947522953017426)</val>
 </top-left>
 <width>
-<val>1752.8068798621166</val>
+<val>1730.2657621614176</val>
 </width>
 <height>
-<val>637.9313689125581</val>
+<val>1027.967660745502</val>
 </height>
 <children>
 <reflist>
-<ref refid="619bb04d-f93c-11ed-b47e-63f0557fde52"/>
 <ref refid="2e42c936-f93d-11ed-ae1b-63f0557fde52"/>
-<ref refid="9c5ea4d9-f945-11ed-954c-63f0557fde52"/>
 <ref refid="8fd0a50f-f944-11ed-90c5-63f0557fde52"/>
+<ref refid="619bb04d-f93c-11ed-b47e-63f0557fde52"/>
+<ref refid="9c5ea4d9-f945-11ed-954c-63f0557fde52"/>
 <ref refid="5e9a7e73-f947-11ed-9868-63f0557fde52"/>
 <ref refid="926b14d7-f947-11ed-930c-63f0557fde52"/>
 <ref refid="f119471e-f947-11ed-81c2-63f0557fde52"/>
@@ -3344,10 +3344,10 @@ controlflow {
 <Interaction id="75ee1058-f93c-11ed-967e-63f0557fde52">
 <message>
 <reflist>
-<ref refid="61a02914-f93c-11ed-87ca-63f0557fde52"/>
 <ref refid="2e47438f-f93d-11ed-8a2a-63f0557fde52"/>
-<ref refid="9d3c8c0c-f945-11ed-9f09-63f0557fde52"/>
 <ref refid="8fd31165-f944-11ed-9cda-63f0557fde52"/>
+<ref refid="61a02914-f93c-11ed-87ca-63f0557fde52"/>
+<ref refid="9d3c8c0c-f945-11ed-9f09-63f0557fde52"/>
 <ref refid="5e9d6c4d-f947-11ed-855f-63f0557fde52"/>
 <ref refid="f11d46ff-f947-11ed-b98e-63f0557fde52"/>
 <ref refid="2ec2b2d6-f94e-11ed-86ca-63f0557fde52"/>
@@ -3429,7 +3429,7 @@ controlflow {
 <val>(1.0, 0.0, 0.0, 1.0, 119.52593897502123, 258.3548038873035)</val>
 </matrix>
 <points>
-<val>[(0.0, 16.99999999999997), (0.6140536756673782, 1124.7380899279647)]</val>
+<val>[(0.0, 16.999999999999943), (0.6140536756673782, 1124.7380899279647)]</val>
 </points>
 <head-connection>
 <ref refid="4b106bcc-f945-11ed-9b34-63f0557fde52"/>
@@ -4125,7 +4125,7 @@ controlflow {
 </TransitionItem>
 <Transition id="c11a09b9-f94b-11ed-aa24-63f0557fde52">
 <container>
-<ref refid="ae922680-f94b-11ed-b2b6-63f0557fde52"/>
+<ref refid="7a3cfc38-f94c-11ed-9d7a-63f0557fde52"/>
 </container>
 <guard>
 <ref refid="c11e61d9-f94b-11ed-bab3-63f0557fde52"/>
diff --git a/03-software/.vscode/settings.json b/03-software/.vscode/settings.json
new file mode 100644
index 0000000..70e34ec
--- /dev/null
+++ b/03-software/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "C_Cpp.errorSquiggles": "disabled"
+}
\ No newline at end of file
diff --git a/03-software/ch/kb28/blinkerProject/app/lebblinker.c b/03-software/ch/kb28/blinkerProject/app/lebblinker.c
index 72f0e40..c57b333 100644
--- a/03-software/ch/kb28/blinkerProject/app/lebblinker.c
+++ b/03-software/ch/kb28/blinkerProject/app/lebblinker.c
@@ -41,7 +41,7 @@ bool LEDBlinker_processEvent(Event* ev) {
             case ST_LBINIT:
                 break;
             case ST_LBOFF:
-                LED_off(l());
+                LED_off(l1());
                 LED_off(l2());
                 POST(me, &LEDBlinker_processEvent, evLBTMOn,TMOFF,0);
                 break;