// ESP-01

/*
  AT Firmware simulation example

  Use the serial monitor to interface with the AT firmware. For instance, to scan for WiFi:

AT+CWMODE=1
AT+CWLAP

  Connect to WiFi:

AT+CWJAP="Wokwi-GUEST",

  Show the current IP address:

AT+CIFSR

  Show firmware version

AT+GMR

  To show list list of available commands:

AT+CMD?

*/

*/
pinout

  GND        GPIO2    GPIO0   RX/GPIO1
  TX/GPIO3   Enable   Reset   3.3V VCC

*/

#include <U8g2lib.h>
#include <Wire.h>

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

void setup(void) {
  u8g2.begin();
  u8g2.setFont(u8g2_font_ncenB14_tr);
}

void loop(void) {
  u8g2.firstPage();
  do {
    u8g2.drawStr(0, 15, "Hello World!");
    u8g2.drawStr(0, 35, "U8g2 Demo!");
  } while (u8g2.nextPage());

  delay(1000);
}