17 lines
433 B
C
17 lines
433 B
C
// OLED display settings
|
|
#define SCREEN_WIDTH 128
|
|
#define SCREEN_HEIGHT 64
|
|
#define OLED_RESET -1
|
|
#define FRAMERATE 8
|
|
|
|
// Buttons and buzzer
|
|
#define PIN_BTN_L 12 // D6
|
|
#define PIN_BTN_M 13 // D7
|
|
#define PIN_BTN_R 15 // D8
|
|
#define PIN_BUZZER 0 // D3
|
|
|
|
// Battery measurement
|
|
#define R1 220000.0 // 220k ohms
|
|
#define R2 56000.0 // 56k ohms
|
|
#define VOLTAGE_MAX 4.1 // Full battery voltage
|
|
#define VOLTAGE_MIN 3.0 // Empty battery voltage
|