Add waveshare 6ch relay

src/docs/devices/waveshare-6ch-relay/index.md

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+---
+title: WAVESHARE-6CH-RELAY
+date-published: 2024-12-21
+type: relay
+standard: global
+board: esp32-s3
+---
+
+![Product](./image1.jpg "Product Image")
+
+## Product description
+
+This is a 6-relay board with an ESP32-S3 (N8).
+It also has:-
+Onboard isolated RS485,
+Onboard 40PIN header compatible with some Raspberry Pi Pico HATs,
+Built in buzzer,
+RGB colorful LED,
+Rail-mounted ABS case, easy to install, safe to use
+
+Each relay has COM+NO+NC exposed. Rating ≤10A 250VAC/30VDC.
+The board can be powered either via 7-36DC or via 5VDC (USB-C).
+It can bought from: https://www.waveshare.com/esp32-s3-relay-6ch.htm
+
+## GPIO Pinout
+
+![GPIO](./image2.jpg "GPIO Image")
+
+## Basic Config
+
+```yaml
+# based on https://github.com/ryansch/esphome-config/blob/main/waveshare-esp32-s3-relay-6ch.yaml
+
+esphome:
+  name: waveshare-6ch-relay
+
+esp32:
+  board: esp32-s3-devkitc-1
+  flash_size: 8MB
+  framework:
+    type: arduino
+
+# Enable logging
+logger:
+  level: DEBUG
+# Enable Home Assistant API
+api:
+    password: !secret api_password
+
+ota:
+  - platform: esphome
+    password: !secret ota_password
+    id: zone_controller_ota
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+captive_portal:
+
+web_server:
+  port: 80
+
+time:
+  - platform: homeassistant
+    id: homeassistant_time
+
+binary_sensor:
+  - platform: status
+    name: "Status"
+
+  - platform: gpio
+    name: "Boot Button"
+    pin:
+      number: 0
+      ignore_strapping_warning: true
+      mode:
+        input: true
+      inverted: true
+    disabled_by_default: true
+    on_press:
+      then:
+        - button.press: restart_button
+
+
+switch:
+  - platform: gpio
+    pin: GPIO1
+    id: relay1
+    name: Relay 1
+  - platform: gpio
+    pin: GPIO2
+    id: relay2
+    name: Relay 2
+  - platform: gpio
+    pin: GPIO41
+    id: relay3
+    name: Relay 3
+  - platform: gpio
+    pin: GPIO42
+    id: relay4
+    name: Relay 4
+  - platform: gpio
+    pin:
+      number: GPIO45
+      ignore_strapping_warning: true
+    id: relay5
+    name: Relay 5
+  - platform: gpio
+    pin:
+      number: GPIO46
+      ignore_strapping_warning: true
+    id: relay6
+    name: Relay 6
+
+uart:
+  tx_pin: GPIO17
+  rx_pin: GPIO18
+  baud_rate: 9600
+  id: modbus_uart
+
+# buzzer
+output:
+  - platform: ledc
+    pin: GPIO21
+    id: buzzer
+
+rtttl:
+  output: buzzer
+  id: rtttl_buzzer
+  gain: 30%
+
+light:
+  - platform: neopixelbus
+    type: RGB
+    variant: 800KBPS
+    pin: GPIO38
+    num_leds: 1
+    name: "RGB LED"
+    id: rgb_led
+
+button:
+  - platform: restart
+    name: "Restart"
+    id: restart_button
+    entity_category: config
+
+  - platform: factory_reset
+    name: "Factory Reset"
+    id: reset
+    entity_category: config
+
+  - platform: safe_mode
+    name: "Safe Mode"
+    internal: false
+    entity_category: config
+```