ESP-WROOM-32 and ST7735, problem to show analog values

[Sadtanas1996]

Hello, how are you? I'm trying to display analog values from a potentiometer on the ST7735/ST7789 TFT screen. When it comes to strings, everything works fine, but when I try to print the analog values, it only shows white boxes. Any idea why this might be happening?

this is my code:

#include<TFT_eSPI.h>

#define TFT_SCLK 18
#define TFT_MOSI 23
#define TFT_DC 2
#define TFT_RST 4

const int pinPot = 36;
int potValue = 0;

TFT_eSPI pantalla = TFT_eSPI();

void setup() {
Serial.begin(115200);
pantalla.init();
pantalla.fillScreen(TFT_BLACK);

}

void loop() {

pantalla.setCursor(60,0);
pantalla.setTextSize(2);
pantalla.setTextColor(TFT_WHITE);
pantalla.print("Informacion");

potValue = analogRead(pinPot);
String potText = String(potValue);

pantalla.setCursor(50,50);
pantalla.setTextSize(2);
pantalla.setTextColor(TFT_WHITE);
pantalla.print(potText);
Serial.println(potText);

}

[Bodmer]

Specify a background colour:
pantalla.setTextColor(TFT_WHITE, TFT_BLACK);

You may need to add spaces to blank out old digits if the number of digits changes.

Would be better to use drawString(), setTextDatum() and setTextPadding() functions. See examples.