forked from espressif/arduino-esp32
Added #define LED_BUILTIN to all pins_arduino.h that need it. (#4520)
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@ -16,6 +16,7 @@ static const uint8_t RX = 3;
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static const uint8_t LED_BUILTIN = 22;
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#define BUILTIN_LED LED_BUILTIN // backward compatibility
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#define LED_BUILTIN LED_BUILTIN
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static const uint8_t SDA = 21;
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// Despite the many diagrams from TTGO showing SCL on pin 22, due to the on-board LED
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