diff --git a/ES/Project/report.md b/ES/Project/report.md
index 10fae47..cf4122c 100644
--- a/ES/Project/report.md
+++ b/ES/Project/report.md
@@ -60,3 +60,9 @@ Display: Res: 5
 - Results stay in the current base mode
 - If result exceeds display capacity, only visible portion shows
 - After equals, the result becomes the new input for next operation
+
+### Mapping
+CND -> LCD
+CNC -> KeyPad Matrix
+CNB -> SW2
+CNA -> 7 Segment Display