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‎Interfacing OLED display with ESP32/Image_example/Image_example.ino

Lines changed: 107 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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#include <SPI.h>
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#include <Wire.h>
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#include <Adafruit_GFX.h>
4+
#include <Adafruit_SSD1306.h>
5+
6+
#define SCREEN_WIDTH 128 // OLED display width, in pixels
7+
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
8+
9+
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
10+
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
11+
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
12+
13+
#define NUMFLAKES 10 // Number of snowflakes in the animation example
14+
15+
#define LOGO_HEIGHT 64
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#define LOGO_WIDTH 128
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// 'CD_new_Logo', 128x64px
19+
static const unsigned char PROGMEM logo [] PROGMEM = {
20+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
21+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
22+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
23+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
24+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
25+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
26+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
27+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
28+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
29+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
30+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
31+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
32+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
33+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
34+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
35+
0xff, 0xcf, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
36+
0xff, 0xce, 0x38, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
37+
0xff, 0xce, 0x38, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
38+
0xff, 0xc6, 0x38, 0xff, 0xff, 0xff, 0xc0, 0x7c, 0x70, 0x03, 0xf8, 0x0f, 0x8f, 0xc7, 0x10, 0x00,
39+
0xff, 0x80, 0x00, 0xff, 0xff, 0xff, 0x80, 0x3c, 0x70, 0x01, 0xf0, 0x07, 0x8f, 0xc7, 0x10, 0x00,
40+
0xfe, 0x00, 0x00, 0x3f, 0xff, 0xff, 0x0e, 0x1c, 0x71, 0xf1, 0xe1, 0xc3, 0x8f, 0xc7, 0x1f, 0x8f,
41+
0xfc, 0x00, 0x00, 0x0f, 0xff, 0xfe, 0x1f, 0x1c, 0x71, 0xf0, 0xc3, 0xe3, 0x8f, 0xc7, 0x1f, 0x8f,
42+
0xf8, 0xff, 0xff, 0x8f, 0xff, 0xfe, 0x3f, 0xfc, 0x71, 0xf8, 0xc7, 0xff, 0x8f, 0xc7, 0x1f, 0x8f,
43+
0xf9, 0xc0, 0x00, 0xc7, 0xff, 0xfe, 0x3f, 0xfc, 0x71, 0xf1, 0xc7, 0xff, 0x8f, 0xc7, 0x1f, 0x8f,
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0xf1, 0x80, 0x00, 0x67, 0xff, 0xfe, 0x3f, 0xfc, 0x70, 0x01, 0xc7, 0xff, 0x8f, 0xc7, 0x1f, 0x8f,
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0xf1, 0x00, 0x00, 0x63, 0xff, 0xfe, 0x3f, 0xfc, 0x70, 0x03, 0xc7, 0xff, 0x8f, 0xc7, 0x1f, 0x8f,
46+
0x03, 0x0f, 0x80, 0x20, 0x7f, 0xfe, 0x3f, 0xfc, 0x70, 0x0f, 0xc7, 0xff, 0x8f, 0xc7, 0x1f, 0x8f,
47+
0x03, 0x1f, 0xc0, 0x20, 0x7f, 0xfe, 0x3f, 0xbc, 0x71, 0xc3, 0xc7, 0xf3, 0x8f, 0xc7, 0x1f, 0x8f,
48+
0xf3, 0x18, 0xe0, 0x23, 0xff, 0xfe, 0x3f, 0x1c, 0x71, 0xe3, 0xc3, 0xe3, 0x8f, 0xcf, 0x1f, 0x8f,
49+
0xf3, 0x18, 0xe0, 0x27, 0xff, 0xff, 0x0e, 0x1c, 0x71, 0xe1, 0xe1, 0xc3, 0xc7, 0x8f, 0x1f, 0x8f,
50+
0xf3, 0x39, 0xf8, 0x27, 0xff, 0xff, 0x00, 0x3c, 0x71, 0xf0, 0xf0, 0x07, 0xc0, 0x0f, 0x1f, 0x8f,
51+
0x03, 0x19, 0x8c, 0x20, 0x7f, 0xff, 0xc0, 0x7c, 0x71, 0xf8, 0xf8, 0x0f, 0xe0, 0x1f, 0x1f, 0x8f,
52+
0x03, 0x19, 0x84, 0x20, 0x7f, 0xff, 0xf1, 0xff, 0xff, 0xff, 0xfe, 0x3f, 0xf8, 0x7f, 0xff, 0xff,
53+
0x03, 0x1d, 0x86, 0x20, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
54+
0xf3, 0x0d, 0x86, 0x27, 0xff, 0xff, 0xff, 0xff, 0xf7, 0xff, 0xff, 0xdf, 0xff, 0xff, 0xff, 0xff,
55+
0xf3, 0x01, 0x84, 0x27, 0xff, 0xfe, 0x03, 0xef, 0x80, 0xe0, 0x1e, 0x03, 0x00, 0x7f, 0xff, 0xff,
56+
0xf3, 0x01, 0x8c, 0x23, 0xff, 0xfe, 0xf9, 0xef, 0x3e, 0x67, 0xfc, 0xf3, 0xf7, 0xff, 0xff, 0xff,
57+
0x03, 0x01, 0xfc, 0x20, 0x7f, 0xfe, 0xfc, 0xee, 0x7e, 0x67, 0xfc, 0xfb, 0xf7, 0xff, 0xff, 0xff,
58+
0x03, 0x01, 0xf0, 0x20, 0x7f, 0xfe, 0xfe, 0xee, 0xff, 0xe7, 0xfc, 0xff, 0xf7, 0xff, 0xff, 0xff,
59+
0xf1, 0x00, 0x00, 0x63, 0xff, 0xfe, 0xfe, 0xee, 0xff, 0xe0, 0x1e, 0x0f, 0xf7, 0xff, 0xff, 0xff,
60+
0xf9, 0x80, 0x00, 0x67, 0xff, 0xfe, 0xfe, 0xee, 0xf0, 0x60, 0x1f, 0x83, 0xf7, 0xff, 0xff, 0xff,
61+
0xf9, 0xc0, 0x01, 0xc7, 0xff, 0xfe, 0xfe, 0xee, 0xf8, 0x67, 0xff, 0xf1, 0xf7, 0xff, 0xff, 0xff,
62+
0xf8, 0x7f, 0xff, 0x8f, 0xff, 0xfe, 0xfc, 0xee, 0x7f, 0x67, 0xfd, 0xf9, 0xf7, 0xff, 0xff, 0xff,
63+
0xfc, 0x00, 0x00, 0x1f, 0xff, 0xfe, 0xfc, 0xee, 0x7e, 0x67, 0xfc, 0xf9, 0xf7, 0xff, 0xff, 0xff,
64+
0xff, 0x00, 0x00, 0x3f, 0xff, 0xfe, 0x71, 0xef, 0x1c, 0x67, 0xfc, 0x73, 0xf7, 0xff, 0xff, 0xff,
65+
0xff, 0xc6, 0x38, 0xff, 0xff, 0xfe, 0x03, 0xef, 0x81, 0xe0, 0x0f, 0x07, 0xf7, 0xff, 0xff, 0xff,
66+
0xff, 0xc6, 0x38, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
67+
0xff, 0xce, 0x38, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
68+
0xff, 0xce, 0x38, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
69+
0xff, 0xcf, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
70+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
71+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
72+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
73+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
74+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
75+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
76+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
77+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
78+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
79+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
80+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
81+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
82+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
83+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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void setup() {
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Serial.begin(115200);
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// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
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if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
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Serial.println(F("SSD1306 allocation failed"));
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for (;;); // Don't proceed, loop forever
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}
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// Clear the buffer
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display.clearDisplay();
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display.drawBitmap(0, 0, logo, LOGO_WIDTH,LOGO_HEIGHT,WHITE);
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display.display();
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}
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void loop() {
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delay(1);
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}

‎Interfacing OLED display with ESP32/basic_test/basic_test.ino

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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
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#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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void setup()
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{
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Serial.begin(115200);
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// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
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if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
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Serial.println(F("SSD1306 allocation failed"));
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for (;;); // Don't proceed, loop forever
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}
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// Clear the buffer.
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display.clearDisplay();
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// Display Text
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0, 28);
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display.println("Hello world!");
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display.display();
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delay(2000);
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display.clearDisplay();
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// Display Inverted Text
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display.setTextColor(BLACK, WHITE); // 'inverted' text
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display.setCursor(0, 28);
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display.println("Hello world!");
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display.display();
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delay(2000);
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display.clearDisplay();
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// Changing Font Size
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display.setTextColor(WHITE);
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display.setCursor(0, 24);
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display.setTextSize(2);
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display.println("Hello!");
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display.display();
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delay(2000);
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display.clearDisplay();
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// Display Numbers
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display.setTextSize(1);
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display.setCursor(0, 28);
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display.println(123456789);
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display.display();
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delay(2000);
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display.clearDisplay();
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// Specifying Base For Numbers
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display.setCursor(0, 28);
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display.print("0x"); display.print(0xFF, HEX);
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display.print("(HEX) = ");
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display.print(0xFF, DEC);
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display.println("(DEC)");
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display.display();
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delay(2000);
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display.clearDisplay();
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// Display ASCII Characters
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display.setCursor(0, 24);
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display.setTextSize(2);
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display.write(1);
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display.display();
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delay(2000);
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display.clearDisplay();
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// Scroll full screen
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display.setCursor(0, 0);
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display.setTextSize(1);
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display.println("Full");
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display.println("screen");
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display.println("scrolling!");
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display.display();
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display.startscrollright(0x00, 0x07);
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delay(4500);
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display.stopscroll();
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delay(1000);
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display.startscrollleft(0x00, 0x07);
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delay(4500);
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display.stopscroll();
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delay(1000);
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display.startscrolldiagright(0x00, 0x07);
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delay(4500);
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display.startscrolldiagleft(0x00, 0x07);
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delay(4500);
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display.stopscroll();
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display.clearDisplay();
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//draw rectangle
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0, 0);
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display.println("Rectangle");
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display.drawRect(0, 15, 60, 40, WHITE);
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display.display();
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delay(2000);
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display.clearDisplay();
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//draw filled rectangle
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0, 0);
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display.println("Filled Rectangle");
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display.fillRect(0, 15, 60, 40, WHITE);
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display.display();
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delay(2000);
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display.clearDisplay();
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//draw rectangle with rounded corners
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0, 0);
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display.println("Round Rectangle");
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display.drawRoundRect(0, 15, 60, 40, 8, WHITE);
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display.display();
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delay(2000);
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display.clearDisplay();
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//draw filled rectangle with rounded corners
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display.setTextSize(1);
126+
display.setTextColor(WHITE);
127+
display.setCursor(0, 0);
128+
display.println("Filled Round Rectangl");
129+
display.fillRoundRect(0, 15, 60, 40, 8, WHITE);
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display.display();
131+
delay(2000);
132+
display.clearDisplay();
133+
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//draw circle
135+
display.setTextSize(1);
136+
display.setTextColor(WHITE);
137+
display.setCursor(0, 0);
138+
display.println("Circle");
139+
display.drawCircle(20, 35, 20, WHITE);
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display.display();
141+
delay(2000);
142+
display.clearDisplay();
143+
144+
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//draw filled circle
146+
display.setTextSize(1);
147+
display.setTextColor(WHITE);
148+
display.setCursor(0, 0);
149+
display.println("Filled Circle");
150+
display.fillCircle(20, 35, 20, WHITE);
151+
display.display();
152+
delay(2000);
153+
display.clearDisplay();
154+
155+
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//draw triangle
157+
display.setTextSize(1);
158+
display.setTextColor(WHITE);
159+
display.setCursor(0, 0);
160+
display.println("Triangle");
161+
display.drawTriangle(30, 15, 0, 60, 60, 60, WHITE);
162+
display.display();
163+
delay(2000);
164+
display.clearDisplay();
165+
166+
167+
//draw filled triangle
168+
display.setTextSize(1);
169+
display.setTextColor(WHITE);
170+
display.setCursor(0, 0);
171+
display.println("Filled Triangle");
172+
display.fillTriangle(30, 15, 0, 60, 60, 60, WHITE);
173+
display.display();
174+
delay(2000);
175+
display.clearDisplay();
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177+
178+
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}
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void loop() {}

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