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Commit 3da3ad2

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feat(board): Add onboard LED support for Waveshare ESP32-S3 Zero (#11630)
Defines the standard LED_BUILTIN and RGB_BUILTIN macros for the Waveshare ESP32-S3 Zero, allowing its onboard WS2812 RGB LED to be controlled via standard Arduino APIs.
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‎variants/waveshare_esp32_s3_zero/pins_arduino.h

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#define Pins_Arduino_h
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#include <stdint.h>
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#include "soc/soc_caps.h"
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#define USB_VID 0x303a
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#define USB_PID 0x822B
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#define USB_MANUFACTURER "Waveshare"
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#define USB_PRODUCT "ESP32-S3-Zero"
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#define USB_SERIAL "" // Empty string for MAC address
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// Partial voltage measurement method
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// Onboard WS2812 RGB LED
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#define WS_RGB 21
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// BUILTIN_LED can be used in new Arduino API digitalWrite() like in Blink.ino
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static const uint8_t LED_BUILTIN = SOC_GPIO_PIN_COUNT + WS_RGB;
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#define BUILTIN_LED LED_BUILTIN // backward compatibility
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#define LED_BUILTIN LED_BUILTIN // allow testing #ifdef LED_BUILTIN
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// RGB_BUILTIN and RGB_BRIGHTNESS can be used in new Arduino API rgbLedWrite()
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#define RGB_BUILTIN LED_BUILTIN
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#define RGB_BRIGHTNESS 64
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// Mapping based on the ESP32S3 data sheet - alternate for OUTPUT
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static const uint8_t OUTPUT_IO1 = 1;
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static const uint8_t OUTPUT_IO2 = 2;

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