Externalize platform sensors

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>
 ```

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
           );

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

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

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