diff --git a/plan.txt b/plan.txt
index b94f465..953fd8a 100644
--- a/plan.txt
+++ b/plan.txt
@@ -1,15 +1,34 @@
 Plan:
     Hardware:
         Raspberry Pi 3/4
-        Hacked Keymatic
-        Maybe RFID/NFC reader (RC522 is like 7€)
-    Software:
-        Frontend
-            By kali?
-        Backend
-            Python
-            Exposes REST API
-            By Ahtlon
+        Smartcard reader + Mifare DESFire
+        Nuki Smart Lock Go
+        ESP32 + Nuki hub
+    Models
+        User
+            ID int
+            Name str
+            Email str
+            Password str (hashed)
+            IsAdmin bool
+        Card
+            ID int
+            UUID str
+            UserID int
+        AccessAuthorization
+            Name str
+            CardID list[Card]
+            IsActive bool
+            Timeslot list[Timeslot]
+        Door
+            Name str
+            IsLocked bool
+            IsClosed bool
+        Timeslot
+            Name str
+            WeekDay int
+            Starttime str(HH:MM)
+            Duration int (min)
 
     API Specification
         /door