diff --git a/README.md b/README.md
index 8f8f414..4ada9a1 100644
--- a/README.md
+++ b/README.md
@@ -105,7 +105,7 @@ Optionally:
 ### Pico-Relay-B hardware modifications
 
 The stock Pico-Relay-B lacks GPIO exposed via a terminal - those are needed to
-connect rain sensor and water tank empty one, the crew terminal (4 pins) has
+connect rain sensor and water tank empty one, the screw terminal (4 pins) has
 been added (lower left corner).
 
 Also, the hardware initially had no RTC, DS3231 has been added (top left
@@ -124,7 +124,23 @@ version (see
 [Releases](https://github.com/hostcc/esphome-config-sprinkler/releases)) to
 ensure your configuration is stable over the time.
 
+A temperature sensor is a prerequisite to the configuration, its ID should be
+passed via `temperature_sensor_id` substitution - it is only used by display
+component currently.
+
+
 ```yaml
+substitutions:
+  temperature_sensor_id: temperature_sensor
+
+sensor:
+  - platform: internal_temperature
+    id: ${temperature_sensor_id}
+    name: "Internal Temperature"
+    icon: "mdi:thermometer"
+    entity_category: diagnostic
+    update_interval: 60s
+
 packages:
   sprinkler: github://hostcc/esphome-config-sprinkler/main.yaml@<release version>
 ```
diff --git a/display.yaml b/display.yaml
index 88a7ce6..98fefb6 100644
--- a/display.yaml
+++ b/display.yaml
@@ -188,5 +188,5 @@ display:
           it.print( 0, 36, material, TextAlign::CENTER_LEFT, "\U0000e1ff");
           it.printf(
             84, 36, primary, TextAlign::CENTER_RIGHT, "%.1f C",
-            id(temperature).state
+            id(${temperature_sensor_id}).state
           );
diff --git a/main.yaml b/main.yaml
index 8fbd7c4..ea0e5bc 100644
--- a/main.yaml
+++ b/main.yaml
@@ -24,6 +24,7 @@ substitutions:
   display_rotation: '0'
   rtc_id: rtc_time
   timezone: UTC
+  temperature_sensor_id: temperature
 
 packages:
   outputs: !include outputs.yaml
diff --git a/status_sensors.yaml b/status_sensors.yaml
index 51e00b9..cea0b23 100644
--- a/status_sensors.yaml
+++ b/status_sensors.yaml
@@ -1,14 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 # Copyright (c) 2023 Ilia Sotnikov
 ---
-sensor:
-  - platform: internal_temperature
-    id: temperature
-    name: "Internal Temperature"
-    icon: "mdi:thermometer"
-    entity_category: diagnostic
-    update_interval: 60s
-
 text_sensor:
   - platform: template
     id: lawn_sprinklers_state
diff --git a/tests/rp2040w.yaml b/tests/rp2040w.yaml
index d349a63..aae048f 100644
--- a/tests/rp2040w.yaml
+++ b/tests/rp2040w.yaml
@@ -3,6 +3,9 @@
 
 # Minimal configuration to validate via ESPHome
 ---
+substitutions:
+  temperature_sensor_id: temperature_sensor
+
 logger:
   level: debug
 
@@ -18,6 +21,14 @@ api:
 wifi:
   ap:
 
+sensor:
+  - platform: internal_temperature
+    id: ${temperature_sensor_id}
+    name: "Internal Temperature"
+    icon: "mdi:thermometer"
+    entity_category: diagnostic
+    update_interval: 60s
+
 packages:
   main: !include
     file: ../main.yaml