Display OLED 0.96″ SPI 128×64 SSD1306 Module – Blå

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Display OLED 0.96″ SPI 128×64 SSD1306 Module – Blå.

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Display OLED 0.96″ SPI 128×64 SSD1306 Module – Blådette OLED-skærm display byder på flere fordele. De har lavt strømforbrug, skarp billede, god læsbarhed, høj kontrast og en bred betragtningsvinkel. En OLED-skærm på 0.96 tommer med en opløsning på 128×64 og SPI-interface er en populær type display, der anvendes i mange små elektroniske projekter og applikationer.

Tekniske detaljer:

High resolution: 128 * 64
Text Color: Blå
Module Size: 27.0MM *27.0MM
Viewing angle:> 160 °
Voltage: 3V ~ 5V DC
Working Temperature: -30 c ~ 70 c
Interface: SPI/IIC
Driver IC: SSD1306

Installere Adafruit_SSD1306 Library

  • Download library (Download)
  • Åben Arduino IDE software og klik på “Sketch/Include library”
  • Klik nu på “Add Zip. library” og find Zip filen du lige har downloaded.
  • Luk, og åben Arduino IDE programmet. (Genstart programmet)
  • Nu er library installeret.
  • Library kan også downloades direkte i Arduino IDE find den her: “Sketch/Include library/Manage library/Adafruit_SSD1306– by Adafruit”

Eksempel

Her viser vi et hurtig eksempel på en masse funktioner displayet kan vise.

Du skal bruge:

Forbind det sådan:

VCC (Modul) – 5V (Arduino)
GND (Modul) – GND (Arduino)
SCK (Modul) – D10 (Arduino)
SDA (Modul) – D9 (Arduino)
RES (Modul) – D13 (Arduino)
DC (Modul) – D11 (Arduino)
CS (Modul) – D12 (Arduino)

Kode:

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for SSD1306 display connected using software SPI (default case):
#define OLED_MOSI 9
#define OLED_CLK 10
#define OLED_DC 11
#define OLED_CS 12
#define OLED_RESET 13
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT,
OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);

/* Comment out above, uncomment this block to use hardware SPI
#define OLED_DC 6
#define OLED_CS 7
#define OLED_RESET 8
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT,
&SPI, OLED_DC, OLED_RESET, OLED_CS);
*/

#define NUMFLAKES 10 // Number of snowflakes in the animation example

#define LOGO_HEIGHT 16
#define LOGO_WIDTH 16
static const unsigned char PROGMEM logo_bmp[] =
{ 0b00000000, 0b11000000,
0b00000001, 0b11000000,
0b00000001, 0b11000000,
0b00000011, 0b11100000,
0b11110011, 0b11100000,
0b11111110, 0b11111000,
0b01111110, 0b11111111,
0b00110011, 0b10011111,
0b00011111, 0b11111100,
0b00001101, 0b01110000,
0b00011011, 0b10100000,
0b00111111, 0b11100000,
0b00111111, 0b11110000,
0b01111100, 0b11110000,
0b01110000, 0b01110000,
0b00000000, 0b00110000 };

void setup() {
Serial.begin(9600);

// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if(!display.begin(SSD1306_SWITCHCAPVCC)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}


// Show initial display buffer contents on the screen --
// the library initializes this with an Adafruit splash screen.
display.display();
delay(2000); // Pause for 2 seconds

// Clear the buffer
display.clearDisplay();

// Draw a single pixel in white
display.drawPixel(10, 10, SSD1306_WHITE);

// Show the display buffer on the screen. You MUST call display() after
// drawing commands to make them visible on screen!
display.display();
delay(2000);
// display.display() is NOT necessary after every single drawing command,
// unless that's what you want...rather, you can batch up a bunch of
// drawing operations and then update the screen all at once by calling
// display.display(). These examples demonstrate both approaches...

testdrawline(); // Draw many lines

testdrawrect(); // Draw rectangles (outlines)

testfillrect(); // Draw rectangles (filled)

testdrawcircle(); // Draw circles (outlines)

testfillcircle(); // Draw circles (filled)

testdrawroundrect(); // Draw rounded rectangles (outlines)

testfillroundrect(); // Draw rounded rectangles (filled)

testdrawtriangle(); // Draw triangles (outlines)

testfilltriangle(); // Draw triangles (filled)

testdrawchar(); // Draw characters of the default font

testdrawstyles(); // Draw 'stylized' characters

testscrolltext(); // Draw scrolling text

testdrawbitmap(); // Draw a small bitmap image

// Invert and restore display, pausing in-between
display.invertDisplay(true);
delay(1000);
display.invertDisplay(false);
delay(1000);

testanimate(logo_bmp, LOGO_WIDTH, LOGO_HEIGHT); // Animate bitmaps
}

void loop() {
}

void testdrawline() {
int16_t i;

display.clearDisplay(); // Clear display buffer

for(i=0; i<display.width(); i+=4) {
display.drawLine(0, 0, i, display.height()-1, SSD1306_WHITE);
display.display(); // Update screen with each newly-drawn line
delay(1);
}
for(i=0; i<display.height(); i+=4) {
display.drawLine(0, 0, display.width()-1, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(250);

display.clearDisplay();

for(i=0; i<display.width(); i+=4) {
display.drawLine(0, display.height()-1, i, 0, SSD1306_WHITE);
display.display();
delay(1);
}
for(i=display.height()-1; i>=0; i-=4) {
display.drawLine(0, display.height()-1, display.width()-1, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(250);

display.clearDisplay();

for(i=display.width()-1; i>=0; i-=4) {
display.drawLine(display.width()-1, display.height()-1, i, 0, SSD1306_WHITE);
display.display();
delay(1);
}
for(i=display.height()-1; i>=0; i-=4) {
display.drawLine(display.width()-1, display.height()-1, 0, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(250);

display.clearDisplay();

for(i=0; i<display.height(); i+=4) {
display.drawLine(display.width()-1, 0, 0, i, SSD1306_WHITE);
display.display();
delay(1);
}
for(i=0; i<display.width(); i+=4) {
display.drawLine(display.width()-1, 0, i, display.height()-1, SSD1306_WHITE);
display.display();
delay(1);
}

delay(2000); // Pause for 2 seconds
}

void testdrawrect(void) {
display.clearDisplay();

for(int16_t i=0; i<display.height()/2; i+=2) {
display.drawRect(i, i, display.width()-2*i, display.height()-2*i, SSD1306_WHITE);
display.display(); // Update screen with each newly-drawn rectangle
delay(1);
}

delay(2000);
}

void testfillrect(void) {
display.clearDisplay();

for(int16_t i=0; i<display.height()/2; i+=3) {
// The INVERSE color is used so rectangles alternate white/black
display.fillRect(i, i, display.width()-i*2, display.height()-i*2, SSD1306_INVERSE);
display.display(); // Update screen with each newly-drawn rectangle
delay(1);
}

delay(2000);
}

void testdrawcircle(void) {
display.clearDisplay();

for(int16_t i=0; i<max(display.width(),display.height())/2; i+=2) {
display.drawCircle(display.width()/2, display.height()/2, i, SSD1306_WHITE);
display.display();
delay(1);
}

delay(2000);
}

void testfillcircle(void) {
display.clearDisplay();

for(int16_t i=max(display.width(),display.height())/2; i>0; i-=3) {
// The INVERSE color is used so circles alternate white/black
display.fillCircle(display.width() / 2, display.height() / 2, i, SSD1306_INVERSE);
display.display(); // Update screen with each newly-drawn circle
delay(1);
}

delay(2000);
}

void testdrawroundrect(void) {
display.clearDisplay();

for(int16_t i=0; i<display.height()/2-2; i+=2) {
display.drawRoundRect(i, i, display.width()-2*i, display.height()-2*i,
display.height()/4, SSD1306_WHITE);
display.display();
delay(1);
}

delay(2000);
}

void testfillroundrect(void) {
display.clearDisplay();

for(int16_t i=0; i<display.height()/2-2; i+=2) {
// The INVERSE color is used so round-rects alternate white/black
display.fillRoundRect(i, i, display.width()-2*i, display.height()-2*i,
display.height()/4, SSD1306_INVERSE);
display.display();
delay(1);
}

delay(2000);
}

void testdrawtriangle(void) {
display.clearDisplay();

for(int16_t i=0; i<max(display.width(),display.height())/2; i+=5) {
display.drawTriangle(
display.width()/2 , display.height()/2-i,
display.width()/2-i, display.height()/2+i,
display.width()/2+i, display.height()/2+i, SSD1306_WHITE);
display.display();
delay(1);
}

delay(2000);
}

void testfilltriangle(void) {
display.clearDisplay();

for(int16_t i=max(display.width(),display.height())/2; i>0; i-=5) {
// The INVERSE color is used so triangles alternate white/black
display.fillTriangle(
display.width()/2 , display.height()/2-i,
display.width()/2-i, display.height()/2+i,
display.width()/2+i, display.height()/2+i, SSD1306_INVERSE);
display.display();
delay(1);
}

delay(2000);
}

void testdrawchar(void) {
display.clearDisplay();

display.setTextSize(1); // Normal 1:1 pixel scale
display.setTextColor(SSD1306_WHITE); // Draw white text
display.setCursor(0, 0); // Start at top-left corner
display.cp437(true); // Use full 256 char 'Code Page 437' font

// Not all the characters will fit on the display. This is normal.
// Library will draw what it can and the rest will be clipped.
for(int16_t i=0; i<256; i++) {
if(i == '\n') display.write(' ');
else display.write(i);
}

display.display();
delay(2000);
}

void testdrawstyles(void) {
display.clearDisplay();

display.setTextSize(1); // Normal 1:1 pixel scale
display.setTextColor(SSD1306_WHITE); // Draw white text
display.setCursor(0,0); // Start at top-left corner
display.println(F("Hello, world!"));

display.setTextColor(SSD1306_BLACK, SSD1306_WHITE); // Draw 'inverse' text
display.println(3.141592);

display.setTextSize(2); // Draw 2X-scale text
display.setTextColor(SSD1306_WHITE);
display.print(F("0x")); display.println(0xDEADBEEF, HEX);

display.display();
delay(2000);
}

void testscrolltext(void) {
display.clearDisplay();

display.setTextSize(2); // Draw 2X-scale text
display.setTextColor(SSD1306_WHITE);
display.setCursor(10, 0);
display.println(F("scroll"));
display.display(); // Show initial text
delay(100);

// Scroll in various directions, pausing in-between:
display.startscrollright(0x00, 0x0F);
delay(2000);
display.stopscroll();
delay(1000);
display.startscrollleft(0x00, 0x0F);
delay(2000);
display.stopscroll();
delay(1000);
display.startscrolldiagright(0x00, 0x07);
delay(2000);
display.startscrolldiagleft(0x00, 0x07);
delay(2000);
display.stopscroll();
delay(1000);
}

void testdrawbitmap(void) {
display.clearDisplay();

display.drawBitmap(
(display.width() - LOGO_WIDTH ) / 2,
(display.height() - LOGO_HEIGHT) / 2,
logo_bmp, LOGO_WIDTH, LOGO_HEIGHT, 1);
display.display();
delay(1000);
}

#define XPOS 0 // Indexes into the 'icons' array in function below
#define YPOS 1
#define DELTAY 2

void testanimate(const uint8_t *bitmap, uint8_t w, uint8_t h) {
int8_t f, icons[NUMFLAKES][3];

// Initialize 'snowflake' positions
for(f=0; f< NUMFLAKES; f++) {
icons[f][XPOS] = random(1 - LOGO_WIDTH, display.width());
icons[f][YPOS] = -LOGO_HEIGHT;
icons[f][DELTAY] = random(1, 6);
Serial.print(F("x: "));
Serial.print(icons[f][XPOS], DEC);
Serial.print(F(" y: "));
Serial.print(icons[f][YPOS], DEC);
Serial.print(F(" dy: "));
Serial.println(icons[f][DELTAY], DEC);
}

for(;;) { // Loop forever...
display.clearDisplay(); // Clear the display buffer

// Draw each snowflake:
for(f=0; f< NUMFLAKES; f++) {
display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, SSD1306_WHITE);
}

display.display(); // Show the display buffer on the screen
delay(200); // Pause for 1/10 second

// Then update coordinates of each flake...
for(f=0; f< NUMFLAKES; f++) {
icons[f][YPOS] += icons[f][DELTAY];
// If snowflake is off the bottom of the screen...
if (icons[f][YPOS] >= display.height()) {
// Reinitialize to a random position, just off the top
icons[f][XPOS] = random(1 - LOGO_WIDTH, display.width());
icons[f][YPOS] = -LOGO_HEIGHT;
icons[f][DELTAY] = random(1, 6);
}
}
}
}

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