On Board LED is active LOW
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#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C // OLED-Display on board
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#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C // OLED-Display on board
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#define HAS_LED GPIO_NUM_2 // white LED on board
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#define HAS_LED GPIO_NUM_2 // white LED on board
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#define LED_ACTIVE_LOW 1 // Onboard LED is active when pin is LOW
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#define HAS_BUTTON GPIO_NUM_0 // button "PRG" on board
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#define HAS_BUTTON GPIO_NUM_0 // button "PRG" on board
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// re-define pin definitions of pins_arduino.h
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// re-define pin definitions of pins_arduino.h
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// Hardware pin definitions for TTGOv1 Board with OLED SSD1306 I2C Display
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// Hardware pin definitions for TTGOv1 Board with OLED SSD1306 I2C Display
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#define OLED_RST 16 // ESP32 GPIO16 (Pin16) -- SD1306 Reset
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#define OLED_RST 16 // ESP32 GPIO16 (Pin16) -- SD1306 Reset
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#define OLED_SDA 4 // ESP32 GPIO4 (Pin4) -- SD1306 Data
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#define OLED_SDA 4 // ESP32 GPIO4 (Pin4) -- SD1306 Data
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#define OLED_SCL 15 // ESP32 GPIO15 (Pin15) -- SD1306 Clock
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#define OLED_SCL 15 // ESP32 GPIO15 (Pin15) -- SD1306 Clock
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