Clarify ESP32 vs ESP8266 in docs

README.md

@@ -112,6 +112,8 @@ climate:
     update_interval: 500ms
 ```
 
+#### ESP8266 platforms
+
 On ESP8266 you'll need to disable logging to serial because it conflicts with
 the heatpump UART:
 
@@ -120,9 +122,13 @@ logger:
   baud_rate: 0
 ```
 
+#### ESP32 platforms
+
 On ESP32 you can change `hardware_uart` to `UART1` or `UART2` and keep logging
 enabled on the main serial port.
 
+#### UART Notes
+
 *Note:* this component DOES NOT use the ESPHome `uart` component, as it
 requires direct access to a hardware UART via the Arduino `HardwareSerial`
 class. The Mitsubishi Heatpump units use an atypical serial port setting ("even
@@ -131,13 +137,15 @@ software serial libraries, including the one in ESPHome. There's currently no
 way to guarantee access to a hardware UART nor retrieve the `HardwareSerial`
 handle from the `uart` component within the ESPHome framework.
 
-# Example configuration
+# Example configurations
 
 Below is an example configuration which will include wireless strength
 indicators and permit over the air updates. You'll need to create a
 `secrets.yaml` file inside of your `esphome` directory with entries for the
 various items prefixed with `!secret`.
 
+## ESP8266 Example Configuration
+
 ```yaml
 substitutions:
   name: hptest
@@ -227,6 +235,91 @@ climate:
     hardware_uart: UART0
 ```
 
+## ESP32 Example Configuration
+
+```yaml
+substitutions:
+  name: hptest
+  friendly_name: Test Heatpump
+
+
+esphome:
+  name: ${name}
+
+esp32:
+  board: lolin_s2_mini
+  variant: ESP32S2
+  framework:
+    type: arduino
+    version: 2.0.3
+    platform_version: 5.0.0
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+  # Enable fallback hotspot (captive portal) in case wifi connection fails
+  ap:
+    ssid: "${friendly_name} Fallback Hotspot"
+    password: !secret fallback_password
+
+captive_portal:
+
+# Enable logging
+logger:
+
+# Enable Home Assistant API
+api:
+
+ota:
+
+# Enable Web server.
+web_server:
+  port: 80
+
+  # Sync time with Home Assistant.
+time:
+  - platform: homeassistant
+    id: homeassistant_time
+
+# Text sensors with general information.
+text_sensor:
+  # Expose ESPHome version as sensor.
+  - platform: version
+    name: ${name} ESPHome Version
+  # Expose WiFi information as sensors.
+  - platform: wifi_info
+    ip_address:
+      name: ${name} IP
+    ssid:
+      name: ${name} SSID
+    bssid:
+      name: ${name} BSSID
+
+# Sensors with general information.
+sensor:
+  # Uptime sensor.
+  - platform: uptime
+    name: ${name} Uptime
+
+  # WiFi Signal sensor.
+  - platform: wifi_signal
+    name: ${name} WiFi Signal
+    update_interval: 60s
+
+external_components:
+  - source: github://geoffdavis/esphome-mitsubishiheatpump
+
+climate:
+  - platform: mitsubishi_heatpump
+    name: "${friendly_name}"
+
+    # ESP32 only - change UART0 to UART1 or UART2 and remove the
+    # logging:baud_rate above to allow the built-in UART0 to function for
+    # logging.
+    hardware_uart: UART1
+```
+
 # Advanced configuration
 
 Some models of heat pump require different baud rates or don't support all