#include "U8glib.h"

U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_DEV_0 | U8G_I2C_OPT_NO_ACK | U8G_I2C_OPT_FAST); // Fast I2C / TWI

int progress = 0;
int potPin = A0; // Analog pin for the potentiometer

void setup() {
  u8g.setFont(u8g_font_tpssb);
  u8g.setColorIndex(1);
}

void loop() {
  // Read potentiometer value
  int potValue = analogRead(potPin);
  
  // Map potentiometer value to the range of the progress bar (0 to 128)
  progress = map(potValue, 0, 1023, 0, 128);

  u8g.firstPage();
  do {
    u8g.drawStr(25, 50, "Progress Bar");
    u8g.drawFrame(0, 10, 128, 20);
    u8g.drawBox(10, 15, progress, 10);
  } while ( u8g.nextPage() );

  delay(50); // Optional delay to smooth the potentiometer input
}