11. Output device¶
Group assignment:¶
Measure the power consumption of an output device¶
I worked with the OLED Display output device.
The organic light-emitting diode (OLED) display that we’ll use is the SSD1306 model: a bicolor, 0.96-inch display with 128×64 pixels as shown in the following figure.
OLED Display
OLED Display ON
Measurement of current with OLED Display OFF, 0mA.
Measurement of current with OLED Display ON, 15mA.
Measurement of voltage with OLED Display ON, 4.87V.
Measuring the current of the output device OLED Display.
Calculating the power consumption of the OLED Display, 74.69mW.
Individual assignment:¶
Add an output device to a microcontroller board you’ve designed, and program it to do something¶
We tested the OLED Display¶
Pin Wiring¶
Because the OLED display uses I2C communication protocol, wiring is very simple. You just need to connect to the Arduino Uno I2C pins as shown in the table below.
| PIN | Wiring to ATmega328p |
|---|---|
| Vcc | 5 Vdc |
| GND | GND |
| SCL | PC5 |
| SDA | PC4 |
Libraries Used¶
To control the OLED display you need the adafruit_SSD1306.h, the adafruit_GFX.h and adafruit_BusIO libraries. Follow the next instructions to install those libraries.
First, We open our Arduino IDE and go to Sketch > Include Library > Manage Libraries. The Library Manager should open.
Type “SSD1306” in the search box and install the SSD1306 library from Adafruit.
Type “GFX” in the search box and install the library
Type “BusIO” in the search box and install the library
Finally, we reset our Arduino IDE.
Tips for writing text using these libraries¶
Here’s some functions that will help you handle the OLED display library to write text or draw simple graphics.
display.clearDisplay() – all pixels are off
display.drawPixel(x,y, color) – plot a pixel in the x,y coordinates
display.setTextSize(n) – set the font size, supports sizes from 1 to 8
display.setCursor(x,y) – set the coordinates to start writing text
display.print(“message”) – print the characters at location x,y
display.display() – call this method for the changes to make effect
Testing the OLED Display¶
After wiring the OLED display to the Arduino and installing all required libraries, you can use one example from the library to see if everything is working properly.
In your Arduino IDE, go to File > Examples > Adafruit SSD1306 and select the example for the display you’re using.
We open an example to do our test run.
The following code should load:
/**************************************************************************
This is an example for our Monochrome OLEDs based on SSD1306 drivers
Pick one up today in the adafruit shop!
------> http://www.adafruit.com/category/63_98
This example is for a 128x32 pixel display using I2C to communicate
3 pins are required to interface (two I2C and one reset).
Adafruit invests time and resources providing this open
source code, please support Adafruit and open-source
hardware by purchasing products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries,
with contributions from the open source community.
BSD license, check license.txt for more information
All text above, and the splash screen below must be
included in any redistribution.
**************************************************************************/
#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 32 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library.
// On an arduino UNO: A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO: 2(SDA), 3(SCL), ...
#define OLED_RESET 4 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#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, SCREEN_ADDRESS)) {
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);
}
}
}
OLED Display is working with the test program.
OLED Display with the test program.
My OLED Board design¶
OLED Display board schematic.
OLED Display board PCB.
OLED Display board with components soldered.
My code to upload¶
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
static const unsigned char PROGMEM image_data_Saraarray[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xf0, 0x01, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xfc, 0x01, 0xe0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x1f, 0xff, 0xff, 0xff, 0x01, 0xe0, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x80, 0x00, 0x08, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x83, 0xe0, 0x03, 0x00, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x08, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x83, 0xf0, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xc7, 0xf1, 0xf0, 0x00, 0xf0,
0x00, 0x00, 0x0c, 0x00, 0x00, 0x04, 0x01, 0xff, 0xff, 0xff, 0xff, 0xc7, 0xf0, 0xc0, 0x01, 0xff,
0x00, 0x00, 0x1c, 0x00, 0x00, 0x04, 0x01, 0xff, 0xff, 0xef, 0xff, 0xe6, 0xf0, 0x0c, 0x07, 0xff,
0x00, 0x00, 0x1c, 0x00, 0x00, 0x1c, 0x01, 0xff, 0xff, 0x07, 0xff, 0xe6, 0x71, 0x80, 0x0f, 0xff,
0x00, 0x00, 0x3e, 0x00, 0x00, 0x7f, 0x01, 0xff, 0xfe, 0x1e, 0x1f, 0xff, 0xf1, 0x80, 0x1f, 0xff,
0x00, 0x00, 0x3e, 0x00, 0x03, 0xff, 0x81, 0xff, 0xfe, 0xc0, 0x7f, 0xff, 0xf1, 0x00, 0x7f, 0xff,
0x00, 0x00, 0x7c, 0x00, 0x1f, 0xff, 0xe0, 0xff, 0xfb, 0x81, 0xff, 0xff, 0xfe, 0x00, 0xff, 0xff,
0x00, 0x00, 0x78, 0x00, 0x3f, 0xff, 0xf1, 0xff, 0xff, 0x87, 0xff, 0xff, 0xfb, 0x01, 0xff, 0xff,
0x00, 0x00, 0x38, 0x00, 0x7f, 0xff, 0xf0, 0xe0, 0x7f, 0x0f, 0xff, 0xff, 0xf9, 0xf3, 0xff, 0xff,
0x00, 0x00, 0x30, 0x00, 0xff, 0xff, 0xf0, 0x80, 0x3e, 0x1f, 0xff, 0xff, 0xf8, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xf0, 0x08, 0x3f, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xf0, 0x30, 0x1f, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff,
0x00, 0x00, 0x01, 0x81, 0xff, 0xff, 0xf0, 0x40, 0x1f, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x01, 0x23, 0xff, 0xff, 0xf0, 0x42, 0x1f, 0xff, 0xff, 0xff, 0xf7, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0xf7, 0xff, 0xff, 0xf8, 0x0e, 0x3f, 0xff, 0xff, 0xff, 0xfd, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xfc, 0x0e, 0x7f, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0x3e, 0x00, 0xff, 0xe0, 0x38, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0x7f, 0xf8, 0x7f, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0x02, 0x1f, 0xdf, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0x7f, 0x80, 0xff, 0x00, 0x1f, 0xbf, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0xfe, 0x00, 0x3e, 0x00, 0x1f, 0xbf, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0xff, 0xc0, 0x3c, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff,
0x00, 0x00, 0x00, 0xff, 0xfc, 0xff, 0x00, 0x1f, 0xff, 0xff, 0xe7, 0xff, 0xfe, 0x7f, 0x9f, 0xff,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x98, 0x2f, 0xe7, 0xcf, 0xcf, 0xff, 0xfe, 0x7f, 0x8f, 0xff,
0x00, 0x00, 0x00, 0xff, 0xff, 0xfe, 0xfc, 0x2f, 0xc0, 0x1f, 0xcf, 0xff, 0xfc, 0x7f, 0x9f, 0xff,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x37, 0x00, 0x3f, 0xdf, 0xff, 0xfc, 0x7f, 0x9f, 0xff,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xbb, 0x40, 0x7f, 0xff, 0xff, 0xfc, 0x7f, 0x9f, 0xfe,
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xbb, 0xe1, 0xff, 0x7f, 0xff, 0xf8, 0x7f, 0x9f, 0xfd,
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xbd, 0xe1, 0xfe, 0xff, 0xff, 0xf8, 0x79, 0x97, 0xfb,
0x7c, 0x00, 0x01, 0x7f, 0xfb, 0xff, 0xff, 0xff, 0xe8, 0x71, 0xff, 0xff, 0xf8, 0x71, 0x07, 0xf3,
0x3b, 0x80, 0x03, 0x7f, 0xff, 0xff, 0xdf, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xf0, 0xe1, 0x07, 0xf7,
0xff, 0xb0, 0x03, 0x5f, 0xef, 0x3e, 0x7f, 0xff, 0xf8, 0x7f, 0xff, 0xff, 0xf0, 0xe1, 0x07, 0xe7,
0xbd, 0x20, 0x02, 0x67, 0x8f, 0xcc, 0x2f, 0xff, 0xf8, 0x7f, 0xff, 0xff, 0xe0, 0xa1, 0x07, 0xe7,
0x7f, 0x70, 0x00, 0x73, 0x1f, 0xe0, 0x0e, 0xff, 0x60, 0x7f, 0xff, 0xff, 0xe0, 0x81, 0x03, 0xcf,
0xff, 0x60, 0x00, 0x7b, 0x0f, 0xfc, 0x0e, 0xfe, 0xf0, 0x7f, 0xff, 0xff, 0xc1, 0x81, 0x03, 0xdf,
0xfd, 0xc0, 0x00, 0x7b, 0x02, 0x7d, 0x1f, 0xfc, 0x08, 0x6f, 0xff, 0xff, 0x81, 0x00, 0x01, 0x9f,
0xff, 0x00, 0x00, 0x3b, 0x07, 0xff, 0x1f, 0xf0, 0x00, 0x3f, 0xfe, 0xff, 0x01, 0x00, 0x01, 0x9f,
0xfc, 0x00, 0x00, 0x1f, 0x17, 0xfe, 0x3f, 0xe0, 0x00, 0x1f, 0xfb, 0xfc, 0x03, 0x01, 0x01, 0xbf,
0xf8, 0x00, 0x00, 0x1f, 0x2b, 0xf8, 0x3c, 0xe0, 0x00, 0x0f, 0xc1, 0xf0, 0x03, 0x03, 0x01, 0x3f,
0xe0, 0x00, 0x00, 0x1d, 0x33, 0xe4, 0x38, 0x50, 0x00, 0x00, 0x01, 0xc0, 0x03, 0x02, 0x00, 0x3f,
0xc0, 0x00, 0x00, 0x0d, 0xbe, 0xfe, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x3f,
0x80, 0x00, 0x00, 0x0d, 0xff, 0xff, 0x20, 0x90, 0x00, 0x00, 0x00, 0x00, 0x07, 0x02, 0x00, 0x1f,
0x80, 0x00, 0x00, 0x01, 0xff, 0xff, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x02, 0x00, 0x1f,
0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x0f, 0x02, 0x00, 0x05,
0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0x02, 0x02, 0x00, 0x00, 0x80, 0x00, 0x1f, 0x04, 0x00, 0x03,
0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0x00, 0x01, 0x80, 0x00, 0x40, 0x00, 0x1c, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0x00, 0x00, 0xc0, 0x00, 0x30, 0x00, 0x30, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x00, 0x0f, 0xfe, 0x00, 0x00, 0x30, 0x00, 0x1c, 0x00, 0x41, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x00, 0x07, 0xf8, 0x00, 0x00, 0x18, 0x00, 0x04, 0x00, 0x83, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x01, 0x03, 0x00, 0x00, 0x00
};
void setup() {
Serial.begin(115200);
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;);
}
delay(2000); // Pause for 2 seconds
// Clear the buffer.
display.clearDisplay();
// Draw bitmap on the screen
display.drawBitmap(0, 0, image_data_Saraarray, 128, 64, 1);
display.display();
}
void loop() {
}
All my circuits operating.
Approach to the OLED Display, it is a photograph of my wife and I.