#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH        128 // OLED display width, in pixels
#define SCREEN_HEIGHT        64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET            4 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

const uint8_t Battery[] PROGMEM = {
  0x7f, 0xff, 0xf0,
  0x40, 0x00, 0x10,
  0xdd, 0xdd, 0xd0,
  0xdd, 0xdd, 0xd0,
  0xdd, 0xdd, 0xd0,
  0x40, 0x00, 0x10,
  0x7f, 0xff, 0xf0,
  0x7f, 0xff, 0xf0,
  0x40, 0x00, 0x10,
  0xc1, 0xdd, 0xd0,
  0xc1, 0xdd, 0xd0,
  0xc1, 0xdd, 0xd0,
  0x40, 0x00, 0x10,
  0x7f, 0xff, 0xf0,
  0x7f, 0xff, 0xf0,
  0x40, 0x00, 0x10,
  0xc0, 0x1d, 0xd0,
  0xc0, 0x1d, 0xd0,
  0xc0, 0x1d, 0xd0,
  0x40, 0x00, 0x10,
  0x7f, 0xff, 0xf0,
  0x7f, 0xff, 0xf0,
  0x40, 0x00, 0x10,
  0xc0, 0x01, 0xd0,
  0xc0, 0x01, 0xd0,
  0xc0, 0x01, 0xd0,
  0x40, 0x00, 0x10,
  0x7f, 0xff, 0xf0,
  0x7f, 0xff, 0xf0,
  0x40, 0x00, 0x10,
  0xc0, 0x00, 0x10,
  0xc0, 0x00, 0x10,
  0xc0, 0x00, 0x10,
  0x40, 0x00, 0x10,
  0x7f, 0xff, 0xf0
};

void setup() {
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.drawBitmap(0, 0, Battery, 20, 28, WHITE);
  display.display();
}

void loop() {}