TFT Display LCD 0.96″ SPI HD 65K Colores ST7735

INFORMACIÓN

ESPECIFICACIONES Y CARACTERÍSTICAS

• Modelo: Pantalla TFT
• Chip: ST7735
• Voltaje de funcionamiento: 3.3/5 VDC
• Corriente: 20 mA
• Interfaz: 4- Wire Serial, SPI
• Pines: 8
• Resolución: 128 x 64
• Matriz de puntos: 80 x(RGB) x 160(Puntos)
• Color de pantalla: 65K
• Diagonal de la pantalla: 0.96 pulgadas
• Temperatura: -20 a 70 °C
• Tamaño
  • Pantalla: 14 x 28 mm
  • PCB: 30 x 24 mm
• Peso: 3.45g

DOCUMENTACIÓN Y RECURSOS

• Datasheet
• Esquemático
• Pinout

Librerías para funcionamiento en Arduino IDE:

• Adafruit_BusIO
• ST7735_GC9102

INFORMACIÓN ADICIONAL 

¿Cómo conectar el TFT Display 0.96″ ST7735 con Arduino Uno?

Para utilizar con la placa de Arduino Uno las conexiones son las siguientes:

Diagrama de conexión:

¿Cómo programar el TFT Display 0.96″ ST7735 con Arduino IDE?

Para programar este display es muy sencillo hay que utilizar dos librerías que podrás descargar a continuación:

• Adafruit_BusIO
• ST7735_GC9102

Y a continuación realizar el siguiente código:

#include <Adafruit_ST7735.h>  // Hardware-specific library for ST7735
#include <SPI.h>

#define TFT_CS 10
#define TFT_DC 8
#define TFT_RST 9
#include <SPI.h>
#include "Adafruit_GFX.h"
#include "Adafruit_GC9106_kbv.h"
Adafruit_GC9106_kbv tft(TFT_CS, TFT_DC, TFT_RST);
void setup() {
Serial.begin(9600);
Serial.print(F("Holi Test de prueba para ST7735 TFT"));
tft.begin();
Serial.println(F("Time        (microseconds)"));
tft.setRotation(1);
Serial.print(F("Text "));
Serial.println(testText());
delay(2000);
Serial.print(F("Lines "));
Serial.println(testLines(TFT_CYAN));
delay(2000);
Serial.print(F("Rectangles (outline) "));
Serial.println(testRects(TFT_GREEN));
delay(2000);
tft.fillScreen(TFT_BLACK);
Serial.print(F("Circles (outline) "));
Serial.println(testCircles(10, TFT_RED));
delay(2000);
Serial.print(F("Triangles (outline) "));
Serial.println(testTriangles());
delay(2000);
Serial.print(F("Triangles (filled) "));
Serial.println(testFilledTriangles());
delay(500);
Serial.print(F("Rounded rects (outline) "));
Serial.println(testRoundRects());
delay(2000);
Serial.print(F("Rounded rects (filled) "));
Serial.println(testFilledRoundRects());
delay(2000);
Serial.println(F("Done!"));
}
void loop(void ) {
for (uint8_t rotation = 0; rotation < 4; rotation++) {
tft.setRotation(rotation);
testText();
delay(3000);
}

unsigned long testFillScreen() {
  unsigned long start = micros();
  tft.fillScreen(TFT_RED);
  tft.fillScreen(TFT_GREEN);
  tft.fillScreen(TFT_BLUE);
  tft.fillScreen(TFT_WHITE);
  return micros() - start;
}

unsigned long testText() {
  tft.fillScreen(TFT_BLACK);
  unsigned long start = micros();
  tft.setCursor(0, 0);
  tft.setTextColor(TFT_WHITE);  tft.setTextSize(1);
  tft.println("Esta vivo!");
  tft.setTextColor(TFT_YELLOW); tft.setTextSize(2);
  tft.println("UNIT");
  tft.setTextColor(TFT_RED);    tft.setTextSize(3);
  tft.println("ELECTRONICS");
  tft.println();
  tft.setTextColor(TFT_GREEN);
  tft.setTextSize(5);
  tft.println("123");
  return micros() - start;
}

unsigned long testLines(uint16_t color) {
  unsigned long start, t;
  int x1, y1, x2, y2,
                w = tft.width(),
                h = tft.height();

  tft.fillScreen(TFT_BLACK);

  x1 = y1 = 0;
  y2    = h - 1;
  start = micros();
  for (x2 = 0; x2 < w; x2 += 6) tft.drawLine(x1, y1, x2, y2, color);
  x2    = w - 1;
  for (y2 = 0; y2 < h; y2 += 6) tft.drawLine(x1, y1, x2, y2, color);
  t     = micros() - start; // fillScreen doesn't count against timing


  return micros() - start;
}

unsigned long testFastLines(uint16_t color1, uint16_t color2) {
  unsigned long start;
  int x, y, w = tft.width(), h = tft.height();

  tft.fillScreen(TFT_BLACK);
  start = micros();
  for (y = 0; y < h; y += 5) tft.drawFastHLine(0, y, w, color1);
  for (x = 0; x < w; x += 5) tft.drawFastVLine(x, 0, h, color2);

  return micros() - start;
}

unsigned long testRects(uint16_t color) {
  unsigned long start;
  int           n, i, i2,
                cx = tft.width()  / 2,
                cy = tft.height() / 2;

  tft.fillScreen(TFT_BLACK);
  n     = min(tft.width(), tft.height());
  start = micros();
  for (i = 2; i < n; i += 6) { 
i2 = i / 2; tft.drawRect(cx - i2, cy - i2, i, i, color); 
} 
return micros() - start; 
} 

unsigned long testFilledRects(uint16_t color1, uint16_t color2) { 
unsigned long start, t = 0; 
int n, i, i2, cx = tft.width() / 2 - 1, cy = tft.height() / 2 - 1; 
tft.fillScreen(TFT_BLACK); 
n = min(tft.width(), tft.height());
 for (i = n; i > 0; i -= 6) {
    i2    = i / 2;
    start = micros();
    tft.fillRect(cx - i2, cy - i2, i, i, color1);
    t    += micros() - start;
    
    tft.drawRect(cx - i2, cy - i2, i, i, color2);
  }

  return t;
}

unsigned long testFilledCircles(uint8_t radius, uint16_t color) {
  unsigned long start;
  int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;

  tft.fillScreen(TFT_BLACK);
  start = micros();
  for (x = radius; x < w; x += r2) {
    for (y = radius; y < h; y += r2) {
      tft.fillCircle(x, y, radius, color);
    }
  }

  return micros() - start;
}

unsigned long testCircles(uint8_t radius, uint16_t color) {
  unsigned long start;
  int           x, y, r2 = radius * 2,
                      w = tft.width()  + radius,
                      h = tft.height() + radius;

   start = micros();
  for (x = 0; x < w; x += r2) {
    for (y = 0; y < h; y += r2) {
      tft.drawCircle(x, y, radius, color);
    }
  }

  return micros() - start;
}

unsigned long testTriangles() {
  unsigned long start;
  int           n, i, cx = tft.width()  / 2 - 1,
                      cy = tft.height() / 2 - 1;

  tft.fillScreen(TFT_BLACK);
  n     = min(cx, cy);
  start = micros();
  for (i = 0; i < n; i += 5) { 
tft.drawTriangle( 
cx , cy - i, 
 cx - i, cy + i, 
 left cx + i, cy + i, 
right tft.color565(200, 20, i)); 
} 
return micros() - start; 
} 
unsigned long testFilledTriangles() 
{ 
unsigned long start, t = 0;
 int i, cx = tft.width() / 2 - 1, 
         cy = tft.height() / 2 - 1;
 tft.fillScreen(TFT_BLACK); 
start = micros(); 
for (i = min(cx, cy); i > 10; i -= 5) {
    start = micros();
    tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
                     tft.color565(0, i, i));
    t += micros() - start;
    tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
                     tft.color565(i, i, 0));
  }

  return t;
}

unsigned long testRoundRects() {
  unsigned long start;
  int           w, i, i2,
                cx = tft.width()  / 2 ,
                cy = tft.height() / 2 ;

  tft.fillScreen(TFT_BLACK);
  w     = min(tft.width(), tft.height());
  start = micros();
  for (i = 0; i < w; i += 8) { 
       i2 = i / 2 - 2;
 tft.drawRoundRect(cx - i2, cy - i2, i, i, i / 8,tft.color565(i, 100, 100)); 
} 
return micros() - start;
 } 
unsigned long testFilledRoundRects() { 
unsigned long start;
 int i, i2, cx = tft.width() / 2 + 10, 
      cy = tft.height() / 2 + 10;
 tft.fillScreen(TFT_BLACK); 
start = micros(); 
for (i = min(tft.width(), tft.height()) - 20; i > 25; i -= 6) {
    i2 = i / 2;
    tft.fillRoundRect(cx - i2, cy - i2, i - 20, i - 20, i / 8, tft.color565(100, i / 2, 100));
  }

  return micros() - start;
}

AR1716