diff --git a/.config/scripts/brightness_mode_calib.sh b/.config/scripts/brightness_mode_calib.sh
new file mode 100644
index 0000000..7d0adc3
--- /dev/null
+++ b/.config/scripts/brightness_mode_calib.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+CACHE="$HOME/.config/scripts/ddc-map.conf"
+
+# Dizini garanti altına al
+mkdir -p "$(dirname "$CACHE")" || exit 1
+chmod 700 "$(dirname "$CACHE")"
+
+# Eski dosyayı temizle
+: > "$CACHE"
+chmod 600 "$CACHE"
+
+echo "Check the output of ddcutil detect and enter the I2C bus number."
+
+# monitörleri JSON ile al
+MONITORS=$(hyprctl monitors -j | jq -r '.[].name')
+OUTPUT=$(ddcutil detect)
+
+echo "$OUTPUT"
+
+for MON in $MONITORS; do
+  echo
+  echo "Monitor: $MON"                  
+
+  while true; do
+    read -rp "I2C bus number *last number* (only number): " BUS
+
+    # Trim boşlukları
+    BUS=$(echo "$BUS" | tr -d '[:space:]')
+
+    # Sadece sayı mı?
+    if [[ "$BUS" =~ ^[0-9]+$ ]]; then
+      echo "$MON=$BUS" >> "$CACHE"
+      break
+    else
+      echo "❌ Invalid input. Please enter a number (e.g., 4)"
+    fi
+  done
+done
+
+echo
+echo "✔ Saved: $CACHE"