diff --git a/README.md b/README.md
index 80d6628..462086e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,172 @@
 # aciremote
 
-ESPhome remote for AC Infinity wired fan, using USB-C connector
\ No newline at end of file
+ESPhome remote for AC Infinity wired fan, using USB-C connector
+
+# ESPHome configuration
+
+```
+esphome:
+  name: aci-fan
+  friendly_name: aci-fan
+
+esp32:
+  variant: esp32c6
+  framework:
+    type: esp-idf
+
+logger:
+
+api:
+  encryption:
+    key: *********************************************
+
+ota:
+  - platform: esphome
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+  ap:
+    ssid: aci-fan Fallback Hotspot
+    password: **************
+
+captive_portal:
+
+script:
+  - id: handle_fan_change
+    then:
+      - lambda: |
+          float level = (id(fan_speed).state?id(fan_speed).speed:0) / 20.0;
+          esphome::light::LightState* ids[] = {id(led1), id(led2), id(led3), id(led4)};
+          for (int i = 0; i < 4; i++) {
+            float brightness = level * 4 - i;
+            if (brightness < 0)
+              brightness = 0;
+            if (brightness > 1)
+              brightness = 1;
+            ids[i]->turn_on().set_brightness(brightness).perform();
+          }
+
+output:
+  - platform: ledc
+    pin: GPIO19
+    id: fan_pwm
+    inverted: true
+    frequency: 4882Hz
+    min_power: "0.1"
+    zero_means_zero: true
+  - platform: ledc
+    pin: GPIO20
+    id: led_led1
+    frequency: 4882Hz
+  - platform: ledc
+    pin: GPIO21
+    id: led_led2
+    frequency: 4882Hz
+  - platform: ledc
+    pin: GPIO22
+    id: led_led3
+    frequency: 4882Hz
+  - platform: ledc
+    pin: GPIO23
+    id: led_led4
+    frequency: 4882Hz
+
+light:
+  - platform: monochromatic
+    id: led1
+    output: led_led1
+    internal: true
+    default_transition_length: 0s
+  - platform: monochromatic
+    id: led2
+    output: led_led2
+    internal: true
+    default_transition_length: 0s
+  - platform: monochromatic
+    id: led3
+    output: led_led3
+    internal: true
+    default_transition_length: 0s
+  - platform: monochromatic
+    id: led4
+    output: led_led4
+    internal: true
+    default_transition_length: 0s
+
+sensor:
+  - platform: pulse_counter
+    name: "Fan RPM"
+    pin: GPIO18
+    id: fan_rpm
+    device_class: speed
+    unit_of_measurement: RPM
+    filters:
+      - multiply: 0.33333333333333
+    accuracy_decimals: 0
+    update_interval: 5s
+
+fan:
+  - platform: speed
+    name: Fan Speed
+    id: fan_speed
+    output: fan_pwm
+    speed_count: 20
+    restore_mode: RESTORE_DEFAULT_ON
+    on_speed_set:
+      - then:
+          - script.execute: handle_fan_change
+    on_state:
+      - then:
+          - script.execute: handle_fan_change
+binary_sensor:
+  - platform: gpio
+    name: Up
+    id: button_up
+    internal: true
+    pin:
+      number: GPIO0
+      inverted: true
+      mode:
+        input: true
+        pullup: true
+    on_press:
+      - then:
+         - lambda: |
+             if (id(fan_speed).state) {
+               id(fan_speed).turn_on().set_speed(id(fan_speed).speed + 1).perform();
+             } else {
+               id(fan_speed).turn_on().set_speed(1).perform();
+             }
+    filters:
+      - delayed_on: 50ms
+      - autorepeat:
+          delay: 500ms
+          time_off: 100ms
+          time_on: 150ms
+  - platform: gpio
+    name: Down
+    id: button_down
+    internal: true
+    pin:
+      number: GPIO1
+      inverted: true
+      mode:
+        input: true
+        pullup: true
+    on_press:
+      - then:
+         - lambda: |
+             int current_speed = id(fan_speed).speed;
+             if (current_speed > 1) {
+                 id(fan_speed).turn_on().set_speed(current_speed - 1).perform();
+             } else {
+                 id(fan_speed).turn_off().perform();
+             }
+    filters:
+      - delayed_on: 50ms
+      - autorepeat:
+          delay: 500ms
+          time_off: 100ms
+          time_on: 150ms
+```