diff --git a/docs/Schématics/Hardware.puml b/docs/Schématics/Hardware.puml
new file mode 100644
index 0000000..f5bffb1
--- /dev/null
+++ b/docs/Schématics/Hardware.puml
@@ -0,0 +1,22 @@
+@startuml hard wiring
+
+cloud {
+  [Dolibarr]
+}
+
+package "Convoyeur"{
+	[M5 Core]
+	[Lecteur NFC] as nfc
+	[Servo Moteur] as servo
+	[GRBL]
+	[Stepper]
+}
+
+
+[Dolibarr] <-- [M5 Core] : API
+[M5 Core] --> servo
+[M5 Core] <-- nfc : IC2
+[M5 Core] --> [GRBL] : SPI
+[GRBL] --> Stepper
+
+@enduml