diff --git a/ledstrip_simple.yaml b/ledstrip_simple.yaml
index f44cc23..cd4a4c2 100644
--- a/ledstrip_simple.yaml
+++ b/ledstrip_simple.yaml
@@ -1,5 +1,10 @@
+substitutions:
+  device_name: ledstrip_mic-holder #ledstrip_mic-holder, ledstrip_stairs, teststrip2
+  entity_prefix: nbs_mic # nbs_mic, stairs, test2_
+  led_count: "32" # 32, 56, 191
+
 esphome:
-  name: teststrip2 # teststrip2, ledstrip_stairs
+  name: ${device_name} # teststrip2, ledstrip_stairs, mic-holder
   platform: ESP8266
   board: nodemcuv2
 
@@ -30,8 +35,8 @@ light:
     type: GRB
     variant: WS2811
     pin: D5
-    num_leds: 56 # 56, 191
-    name: ledstrip
+    num_leds: ${led_count} # 56, 191
+    name: ${entity_prefix}_ledstrip
     effects:
       - addressable_rainbow:
       - addressable_rainbow: