diff --git a/IOT/diagram/diagram.wsd b/IOT/diagram/diagram.wsd
new file mode 100644
index 0000000..59b0303
--- /dev/null
+++ b/IOT/diagram/diagram.wsd
@@ -0,0 +1,16 @@
+@startuml diagram
+class users {
+    username: text
+    email: email
+    name: text
+    image: file
+    created: date
+    updated: date
+}
+class poubelle_status{
+    value: text
+    author: users
+    created: date
+    updated: date
+}
+@enduml
\ No newline at end of file