[stcc4] Add component for the Sensirion STCC4 CO2 sensor (#19434)

Co-authored-by: will <will-tm@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>

tests/components/stcc4/common.yaml

@@ -0,0 +1,36 @@
+sensor:
+  # SHT4x for external RHT compensation (boards without onboard SHT4x)
+  - platform: sht4x
+    i2c_id: i2c_bus
+    temperature:
+      name: SHT4x Temperature
+      id: sht4x_temperature
+    humidity:
+      name: SHT4x Humidity
+      id: sht4x_humidity
+  - platform: template
+    id: ambient_pressure
+    unit_of_measurement: "hPa"
+    lambda: 'return 1013;'
+
+  # STCC4 CO2 sensor with onboard temperature/humidity and external compensation
+  - platform: stcc4
+    i2c_id: i2c_bus
+    id: stcc4_sensor_single_shot
+    co2:
+      name: STCC4 CO2
+    temperature:
+      name: STCC4 Temperature
+    humidity:
+      name: STCC4 Humidity
+    temperature_source: sht4x_temperature
+    humidity_source: sht4x_humidity
+    measurement_mode: single_shot
+    ambient_pressure_compensation: 1013 mbar
+    update_interval: 60s
+  - platform: stcc4
+    i2c_id: i2c_bus
+    address: 0x65
+    id: stcc4_sensor_continuous
+    measurement_mode: continuous
+    ambient_pressure_compensation_source: ambient_pressure

tests/components/stcc4/test.esp32-idf.yaml

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+packages:
+  i2c: !include ../../test_build_components/common/i2c/esp32-idf.yaml
+
+<<: !include common.yaml

tests/components/stcc4/test.esp8266-ard.yaml

@@ -0,0 +1,4 @@
+packages:
+  i2c: !include ../../test_build_components/common/i2c/esp8266-ard.yaml
+
+<<: !include common.yaml

tests/components/stcc4/test.rp2040-ard.yaml

@@ -0,0 +1,4 @@
+packages:
+  i2c: !include ../../test_build_components/common/i2c/rp2040-ard.yaml
+
+<<: !include common.yaml