Added ESPHome config for livingroom air quality sensor. Removed IR stuff in the process.

esphome/livingroom.yaml

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+esphome:
+  name: livingroom
+  platform: ESP32
+  board: nodemcu-32s
+  
+  on_boot:
+    then:
+      - light.turn_on:
+          id: co2_light
+          red: 0%
+          green: 100%
+          blue: 9%
+      - delay: 1.5s
+      - light.turn_on:
+          id: co2_light
+          red: 100%
+          green: 75%
+          blue: 0%
+      - delay: 1.5s
+      - light.turn_on:
+          id: co2_light
+          red: 100%
+          green: 0%
+          blue: 0%
+      - delay: 1.5s
+      - light.turn_on:
+          id: co2_light
+          red: 100%
+          green: 75%
+          blue: 0%
+      - delay: 1.5s
+      - light.turn_on:
+          id: co2_light
+          red: 0%
+          green: 100%
+          blue: 9%
+      - text_sensor.template.publish:
+          id: co2_warn
+          state: "grün"
+      - text_sensor.template.publish:
+          id: pm25_warn
+          state: "grün"
+
+wifi:
+  ssid: "Voltage-legacy"
+  password: !secret voltage_legacy_psk
+  use_address: livingroom.home  
+  power_save_mode: high
+  fast_connect: on
+
+  # Enable fallback hotspot (captive portal) in case wifi connection fails
+  ap:
+    ssid: "Wohnzimmer Fallback Hotspot"
+    password: !secret fallback_psk
+
+captive_portal:
+
+# Enable logging
+logger:
+  level: DEBUG
+
+# Enable Home Assistant API
+api:
+  password: !secret api
+
+# Enable over-the-air updates
+ota:
+  password: !secret ota
+
+# Initialize I²C
+i2c:
+ - id: bus_a
+   sda: 13
+   scl: 16
+   scan: true
+
+# Initialize LEDC GPIOs
+output:
+  - platform: ledc
+    pin: GPIO17
+    id: led_red
+  - platform: ledc
+    pin: GPIO18
+    id: led_green
+    max_power: 50%
+  - platform: ledc
+    pin: GPIO19
+    id: led_blue
+
+# Define RGB mode for LED
+light:
+  - platform: rgb
+    id: co2_light
+    name: "CO2 Status LED"
+    red: led_red
+    green: led_green
+    blue: led_blue
+    internal: true
+
+# Initialize UART for Vindriktning sensor
+uart:
+  rx_pin: GPIO26
+  baud_rate: 9600
+
+# Create text sensor to represent CO2 LED warn state (somewhat redundant)
+text_sensor:
+  - platform: template
+    name: "Wohnzimmer CO2 Warnstufe"
+    id: co2_warn
+  - platform: template
+    name: "Wohnzimmer Feinstaub Warnstufe"
+    id: pm25_warn
+
+sensor:
+  # WiFi signal strength
+  - platform: wifi_signal
+    name: "WiFi Signalstärke"
+    update_interval: 60s
+  # SCD30 CO2 +  temperature + humidity sensor
+  # * air quality category 0: LED is purple, sensor needs calibration (<380ppm)
+  # • air quality category 1: LED is green (380-800ppm) 
+  # • air quality category 2: LED is yellow (900-1200ppm) 
+  # • air quality category 3: LED is orange/amber (1200 to 1600ppm) 
+  # • air quality category 4: LED is red (1600-2000ppm) 
+  - platform: scd30
+    i2c_id: bus_a
+    co2:
+      name: "Wohnzimmer CO2"
+      id: co2_value
+      accuracy_decimals: 1
+      on_value_range:
+        - below: 380
+          then:
+            - text_sensor.template.publish:
+                id: co2_warn
+                state: "Kalibrierung nötig"
+            - light.turn_on:
+                id: co2_light
+                red: 75%
+                green: 0%
+                blue: 100%
+        - above: 380
+          below: 800
+          then:
+            - text_sensor.template.publish:
+                id: co2_warn
+                state: "grün"
+            - light.turn_on:
+                id: co2_light
+                red: 0%
+                green: 100%
+                blue: 0%
+        - above: 800
+          below: 1200
+          then:
+            - text_sensor.template.publish:
+                id: co2_warn
+                state: "gelb"
+            - light.turn_on:
+                id: co2_light
+                red: 100%
+                green: 100%
+                blue: 0%
+        - above: 1200
+          below: 1600
+          then:
+            - text_sensor.template.publish:
+                id: co2_warn
+                state: "orange"
+            - light.turn_on:
+                id: co2_light
+                red: 100%
+                green: 75%
+                blue: 0%
+        - above: 1600
+          then:
+            - text_sensor.template.publish:
+                id: co2_warn
+                state: "rot"
+            - light.turn_on:
+                id: co2_light
+                red: 100%
+                green: 0%
+                blue: 0%
+    temperature:
+      name: "Wohnzimmer Temperatur"
+      accuracy_decimals: 2
+    humidity:
+      name: "Wohnzimmer Luftfeuchtigkeit"
+      accuracy_decimals: 1
+    # SCD30 temp sensor is a bit off
+    temperature_offset: 1.5 °C
+    ambient_pressure_compensation: 1
+    automatic_self_calibration: True
+    address: 0x61
+    update_interval: 60s
+  # Vindriktning particulate matter sensor
+  - platform: pm1006
+    pm_2_5:
+      name: "Wohnzimmer Feinstaub PM 2.5µm"
+      on_value_range:
+      - above: 0
+        below: 35
+        then:
+          - text_sensor.template.publish:
+              id: pm25_warn
+              state: "grün"
+      - above: 35
+        below: 85
+        then:
+          - text_sensor.template.publish:
+              id: pm25_warn
+              state: "orange"
+      - above: 85
+        then:
+          - text_sensor.template.publish:
+              id: pm25_warn
+              state: "rot"
+  # Analog photo diode voltage
+  - platform: adc
+    pin: 32
+    name: "Spannung Photodiode"
+    attenuation: 11db
+    update_interval: 1s
+    internal: true
+    on_value_range:
+      - below: 0.25
+        then:
+          light.turn_on:
+            id: co2_light
+            brightness: 30%
+      - above: 0.4
+        then:
+          light.turn_on:
+            id: co2_light
+            brightness: 60%

esphome/livingroom/partitions.csv

@@ -0,0 +1,6 @@
+nvs,      data, nvs,     0x009000, 0x005000,
+otadata,  data, ota,     0x00e000, 0x002000,
+app0,     app,  ota_0,   0x010000, 0x1C0000,
+app1,     app,  ota_1,   0x1D0000, 0x1C0000,
+eeprom,   data, 0x99,    0x390000, 0x001000,
+spiffs,   data, spiffs,  0x391000, 0x00F000