#define LED_PIN 45 // LED is not populated on earliest board variant #define BUTTON_PIN 0 #define BUTTON_PIN_SECONDARY 21 // Second built-in button #define BUTTON_SECONDARY_CANNEDMESSAGES // By default, use the secondary button as canned message input // I2C #define I2C_SDA SDA #define I2C_SCL SCL // Display (E-Ink) #define USE_EINK #define PIN_EINK_CS 3 #define PIN_EINK_BUSY 6 #define PIN_EINK_DC 4 #define PIN_EINK_RES 5 #define PIN_EINK_SCLK 2 #define PIN_EINK_MOSI 1 // SPI #define SPI_INTERFACES_COUNT 2 #define PIN_SPI_MISO 11 #define PIN_SPI_MOSI 10 #define PIN_SPI_SCK 9 // Power #define VEXT_ENABLE 18 // Powers the E-Ink display only #define VEXT_ON_VALUE HIGH #define ADC_CTRL 46 #define ADC_CTRL_ENABLED HIGH #define BATTERY_PIN 7 #define ADC_CHANNEL ADC1_GPIO7_CHANNEL #define ADC_MULTIPLIER 4.9 * 1.03 #define ADC_ATTENUATION ADC_ATTEN_DB_2_5 #define HAS_32768HZ // LoRa #define USE_SX1262 #define LORA_DIO0 RADIOLIB_NC // a No connect on the SX1262 module #define LORA_RESET 12 #define LORA_DIO1 14 // SX1262 IRQ #define LORA_DIO2 13 // SX1262 BUSY #define LORA_SCK 9 #define LORA_MISO 11 #define LORA_MOSI 10 #define LORA_CS 8 #define SX126X_CS LORA_CS #define SX126X_DIO1 LORA_DIO1 #define SX126X_BUSY LORA_DIO2 #define SX126X_RESET LORA_RESET #define SX126X_DIO2_AS_RF_SWITCH #define SX126X_DIO3_TCXO_VOLTAGE 1.8