else if (page == 'i') {
    //// MARKA GÖSTERGESİ /////////////////////
    //u8g2.drawRFrame(34, 52, 15, 11, 3);
    //u8g2.drawRFrame(33, 53, 13, 9, 3);
    u8g2.clearBuffer();
    u8g2.setFont(u8g2_font_nokiafc22_tu);
    u8g2.setCursor(2, 10);
    u8g2.print("RIGOL");
    //// ÇIKIŞ GÖSTERGESİ /////////////////////
    u8g2.drawRFrame(34, 1, 15, 11, 3);
    //u8g2.drawRFrame(33, 53, 13, 9, 3);
    u8g2.setFont(u8g2_font_micro_tr);
    u8g2.setCursor(38, 9);
    u8g2.print("ON");
    //// CC GÖSTERGE ////////////////////////
    //drawF(43, 52, 42, 12, 44, 53, 40, 10);
    u8g2.drawRFrame(51, 1, 15, 11, 3);
    //  u8g2.drawRFrame(50, 53, 13, 9, 3);
    u8g2.setCursor(55, 9);
    u8g2.print("CC");
    /// FAN GÖSTERGE ////////////////////////
    if (sicaklik >= 21) {
      u8g2.drawRFrame(68, 1, 17, 11, 3);
      //u8g2.drawRFrame(67, 53, 17, 9, 3);
      u8g2.setCursor(71, 9);
      u8g2.print("FAN");
    }
    //// Volt Çerçeve ////////////////////////
    drawF(0, 13, 85, 25, 1, 14, 83, 23);
    //// Voltaj değerini ekrana yazdırma /////
    ival = vIN * 100;
    sprintf(buffer, "%02d.%02d", ival / 100, ival % 100);
    u8g2.setFont(u8g2_font_VCR_OSD_tr);
    //u8g2.drawStr(21, 0, "5");
    u8g2.setCursor(5, 34);
    u8g2.print(buffer);
    u8g2.setCursor(69, 34);
    u8g2.print(F("V"));
    ival = 0;
    //// Akım Çerçeve ////////////////////////
    drawF(0, 39, 85, 25, 1, 40, 83, 23);
    //// Amper değerini ekrana yazdırma //////
    double valueI = (I <= 0) ? 00.00 : I;
    ival = valueI * 100;
    sprintf(buffer, "%02d.%02d", ival / 100, ival % 100);
    u8g2.setFont(u8g2_font_VCR_OSD_tr);
    //u8g2.drawStr(69, 0, "5");
    u8g2.setCursor(5, 60);
    u8g2.print(buffer);
    u8g2.setCursor(69, 60);
    u8g2.print(F("A"));
    //// Kademe Çerçeve //////////////////////
    drawF(86, 0, 42, 21, 87, 1, 40, 19);
    if (vIN <= 11.00) {
      digitalWrite(yirmialtiv, LOW);
      digitalWrite(otuzikiv, LOW);
      delay(20);
      digitalWrite(onikiv, HIGH);
      u8g2.setFont(u8g2_font_6x10_tr);
      u8g2.drawStr(90, 10, "Kademe");
      u8g2.setFont(u8g2_font_chikita_tr);
      u8g2.drawStr(93, 17, "12 Volt");
    } else if ((vIN >= 11.10) && (vIN <= 25.00)) {
      digitalWrite(onikiv, LOW);
      digitalWrite(otuzikiv, LOW);
      delay(20);
      digitalWrite(yirmialtiv, HIGH);
      u8g2.setFont(u8g2_font_6x10_tr);
      u8g2.drawStr(90, 10, "Kademe");
      u8g2.setFont(u8g2_font_chikita_tr);
      u8g2.drawStr(92, 17, "26 Volt");
    } else if (vIN >= 25.10) {
      digitalWrite(onikiv, LOW);
      digitalWrite(yirmialtiv, LOW);
      delay(20);
      digitalWrite(otuzikiv, HIGH);
      u8g2.setFont(u8g2_font_6x10_tr);
      u8g2.drawStr(90, 10, "Kademe");
      u8g2.setFont(u8g2_font_chikita_tr);
      u8g2.drawStr(92, 17, "32 Volt");
    }
    //// Temp Çerçeve ////////////////////////
    drawF(86, 22, 42, 22, 87, 23, 40, 20);
    if (sicaklik <= 38) {
      digitalWrite(fan_led, LOW);
      temp(sicaklik);
    } else if (sicaklik >= 45) {
      digitalWrite(fan_led, HIGH);;
      temp(sicaklik);
    } else {
      temp(sicaklik);
    }
    //// Watt Çerçeve ////////////////////////
    drawF(86, 45, 42, 19, 87, 46, 40, 17);
    //// Watt hesaplama ve ekrana yazdırma ///
    double value = (I * vIN < 0) ? 0.00 : I * vIN;
    u8g2.setFont(u8g2_font_6x10_tr);
    u8g2.drawStr(119, 60, "W");
    u8g2.setFont(u8g2_font_chikita_tr);
    //u8g2.setFont(u8g2_font_profont10_tn);
    u8g2.setCursor(93, 58);
    u8g2.print(value);
    u8g2.sendBuffer();
    //// Değerleri sıfırlama ////////////////
    /*Cdata = 0;
      I = 0;
      V = 0;
      Vdata = 0;
      vIN = 0;
      value;*/
    delay(50);
  }