           +  1.0154127876671653e-024 * pow(x, 9);
 }
 
-void displayValueC2pF() {                                         // display C2 values in pF
+void displayValueC2pF() {                                           // display C2 values in pF
   dtostrf(stepsC2topF(valueRotateC2), 4, 1, DisplayValueC2pF);
   if (isBusy) {
     tft.setTextColor(TFT_YELLOW);

  tft.drawString(DisplayValueC1pF, 50, 75, 4);
}

void ErasDisplayValueC1pF() {                                   // erase display C1 values in pF
  tft.setTextColor(TFT_BLACK);
  tft.setTextSize(1);
  tft.drawString(DisplayValueC1pF, 50, 75, 4);
}

void displayC1steps() {                                       // display C1 steps values
  dtostrf(valueRotateC1, 5, 0, DisplayValueC1);
  if (isBusy) {
    tft.setTextColor(TFT_YELLOW);

/*
  TFT Display 128x128 16bit color ST7735 Chipset
  https://www.jaycar.com.au/128x128-lcd-screen-module-for-arduino/p/XC4629
  
  TFT display pinout left to right pins up
  VCC GND GND NC NC LED CLK SDI RS RST CS

