diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3552451
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea
diff --git a/UML/can.puml b/UML/can.puml
new file mode 100644
index 0000000..fcb0a14
--- /dev/null
+++ b/UML/can.puml
@@ -0,0 +1,15 @@
+@startuml
+
+participant interrupt as ISR
+participant ecan as ecan
+queue XF as xf
+participant can_interface as can
+
+
+[-\\ ISR ++ : can message
+ISR -> ecan : read
+ecan --> ISR : message
+ISR -> xf --: POST XF
+xf o-> can :
+
+@enduml
\ No newline at end of file