Update README.md

README.md

@@ -18,3 +18,108 @@ The pcb is designed with KiCad and has a ESP32-S3 with power and usb circuit. A
 - WS2812 LED
 - Multiple headers for further peripherals (I2C,  3V3, 5V, GPIOs)
 - 6V to 15V Input
+
+
+
+## ESPHome Code
+
+YAML configuration for ESPHome. Adapt as you need for your setup. Code is relevant for latest version (rev B).
+
+### Base
+
+```yaml
+substitutions:
+  dev_name: Kitchen
+
+esphome:
+  name: kitchen-starfish
+  friendly_name: kitchen-starfish
+  comment: ESP32 based LED driver for 12 V LED Strips
+
+  on_boot:
+    light.turn_on:
+      id: status_led
+      brightness: 20%
+      green: 30%
+      
+esp32:
+  variant: esp32s3
+  board: esp32-s3-devkitc-1
+  framework:
+    type: arduino
+```
+
+
+
+### Internal LED
+
+```yaml
+light:
+  - platform: esp32_rmt_led_strip
+    id: status_led
+    rgb_order: GRB
+    pin: GPIO38
+    num_leds: 1
+    rmt_channel: 0
+    chipset: ws2812
+    name: "Status"
+    internal: true
+```
+
+
+
+### PWM Output
+
+```yaml
+output:
+  - platform: ledc
+    id: output_component1
+    pin: GPIO6
+    frequency: 19531
+
+  - platform: ledc
+    id: output_component2
+    pin: GPIO5
+    frequency: 19531
+```
+
+
+
+### Dimmable Light
+
+```yaml
+light:
+  - platform: monochromatic
+    name: ${dev_name} Ceiling
+    output: output_component1
+```
+
+
+
+### Buttons
+
+```yaml
+binary_sensor:
+  - platform: gpio
+    pin: 
+      number: GPIO8
+      inverted: True
+    name: ${dev_name} BTN_1
+
+  - platform: gpio
+    pin: 
+      number: GPIO11
+      inverted: True
+    name: ${dev_name} BTN_2
+```
+
+
+
+### I2C Header
+
+```yaml
+i2c:
+  scl: GPIO9
+  sda: GPIO10
+```
+