Add Dratek ESP32S3 480x480px Display

src/docs/devices/Dratek-ESP32S3-480x480px/index.md

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+---
+title: "Drátek ESP32S3 480x480px"
+date: 2026-07-31
+description: "Configuration for Drátek ESP32S3 480x480px smart touch display with ST7701S RGB display driver and GT911 touch"
+tags:
+  - display
+  - touch
+  - esp32s3
+---
+
+# Drátek ESP32S3 480x480px Smart Display
+
+Smart touch display board featuring a 4.0 inch 480x480 IPS screen (ST7701S RGB display driver), GT911 capacitive touch, ESP32-S3 microcontroller with 16MB Flash and 8MB Octal PSRAM, 3 onboard relays, and backlight control.
+
+## Hardware Specifications
+* **MCU**: ESP32-S3 (16MB Flash, 8MB Octal PSRAM)
+* **Display**: 4.0 inch IPS 480x480 ST7701S (RGB interface)
+* **Touch Controller**: GT911 (I2C interface)
+* **Backlight**: PWM LEDC on GPIO38
+* **Relays**: GPIO40, GPIO2, GPIO1
+
+## ESPHome Configuration
+
+```yaml
+# Board: Guition ESP32-S3-4848S040 480*480 Smart Screen
+# Definition: definitions/boards/guition_esp32_s3_4848s040/manifest.yaml
+
+esphome:
+  name: esp-480480-displej
+  friendly_name: ESP 480*480 displej
+
+esp32:
+  variant: esp32s3
+  framework:
+    type: esp-idf
+
+logger:
+  level: INFO
+
+# Nutné pro stahování snímků z URL (online_image)
+http_request:
+  timeout: 5s
+  verify_ssl: false
+
+api:
+  encryption:
+    key: "GeUirNFkLTRdQ/2Cn33sDWl2oGADasGgLNt9x6yi4f4="
+
+ota:
+  - platform: esphome
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+  ap:
+    ssid: ESP 480*480 dis Fallback Hotspot
+    password: "at13PkbTRuGq"
+
+captive_portal:
+
+output:
+  - platform: ledc
+    frequency: 150Hz
+    id: backlight_output
+    min_power: 0.01
+    pin: 38
+    zero_means_zero: true
+
+light:
+  - platform: monochromatic
+    default_transition_length: 1s
+    id: display_backlight
+    name: Backlight
+    output: backlight_output
+    restore_mode: ALWAYS_ON
+
+psram:
+  mode: octal
+  speed: 80MHz
+
+spi:
+  - clk_pin: 48
+    id: lcd_spi
+    mosi_pin: 47
+
+i2c:
+  - id: touchscreen_bus
+    scl:
+      ignore_strapping_warning: true
+      number: 45
+    sda: 19
+
+display:
+  - platform: st7701s
+    auto_clear_enabled: false
+    color_order: RGB
+    cs_pin: 39
+    data_pins:
+      blue: [4, 5, 6, 7, 15]
+      green: [8, 20, 3, 46, 9, 10]
+      red: [11, 12, 13, 14, 0]
+    data_rate: 2MHz
+    de_pin: 18
+    dimensions:
+      height: 480
+      width: 480
+    hsync_back_porch: 20
+    hsync_front_porch: 10
+    hsync_pin: 16
+    hsync_pulse_width: 8
+    id: tft_display
+    init_sequence: [1, [255, 119, 1, 0, 0, 16], [205, 0]]
+    invert_colors: false
+    pclk_frequency: 12MHz
+    pclk_inverted: false
+    pclk_pin: 21
+    spi_mode: MODE3
+    update_interval: never
+    vsync_back_porch: 10
+    vsync_front_porch: 10
+    vsync_pin: 17
+    vsync_pulse_width: 8
+
+touchscreen:
+  - platform: gt911
+    display: tft_display
+    id: tft_touch
+
+switch:
+  - platform: gpio
+    id: switch_gpio_1
+    name: Relay 1
+    pin:
+      inverted: true
+      number: 40
+  - platform: gpio
+    id: switch_gpio_2
+    name: Relay 2
+    pin:
+      inverted: true
+      number: 2
+  - platform: gpio
+    id: switch_gpio_3
+    name: Relay 3
+    pin:
+      inverted: true
+      number: 1
+
+# Stahování snímku ze snapshot endpointu kamery (port 8081, cesta /snapshot)
+image:
+  - platform: online_image
+    id: kamera_stream
+    url: "http://192.168.1.193:8081/snapshot"
+    format: JPEG
+    type: RGB565
+    resize: 480x480
+    update_interval: 1s
+
+lvgl:
+  displays:
+    - tft_display
+  touchscreens:
+    - tft_touch
+  pages:
+    - id: main_page
+      widgets:
+        # Zobrazení stahovaného obrázku přes celou plochu 480x480
+        - image:
+            src: kamera_stream
+            width: 480
+            height: 480
+            align: center
+        # Textový nadpis nahoře
+        - label:
+            text: "Kamera Obyvak"
+            align: top_mid
+            y: 15
+            text_font: "montserrat_28"
+
+```