Other Arduino Codes and Videos by Robojax
This code and video explains and shows you how to use SSD1306 OLED with 128x32 pixel Display. You will see custom code for the display to display text and live values such as voltage, temperature, pressure etc.
if you get the error:Adafruit._GFX.h not found, download Adafruit-GFX Library (from GetHub)
/*********************************************************************
This is an example for our Monochrome OLEDs based on SSD1306 drivers
This example is for a 128x32 size display using I2C
if you get the error:Adafruit._GFX.h not found, download Adafruit-GFX Library
https://github.com/adafruit/Adafruit-GFX-Library
Purchase this OLED module from Amazon: https://amzn.to/36zFvTb
Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, check license.txt for more information
All text above, and the splash screen must be included in any redistribution
* Watch the video for this code to learn it fully.
* Watch the video here: https://youtu.be/RjyulqVsz2o
* this code is offered "as is" without any warranty.
* Updated by Ahmad Shamshiri For Robojax.com video tutorial
* on March 18, 2018 at 10:21 at Ajax, Ontario, Canada
* Please view other Robojax codes and videos at http://robojax.com/learn/arduino
* if you are sharing this code, you must keep this copyright note.
*
*********************************************************************/
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2
double count=0;
/*
* PIN connection:
* pin connection see: https://www.arduino.cc/en/Reference/Wire
* for UNO: SDA to A4, SCL to A5
* for Mega2560: SDA to 20, SCL to 21
* for Leonardo: SDA to 2, SCL to 3
* for Due: SDA to 20, SCL to 21
* VCC to 5V
* GND to GND :-)
*/
// this is the Width and Height of Display which is 128 xy 32
#define LOGO16_GLCD_HEIGHT 32
#define LOGO16_GLCD_WIDTH 128
#if (SSD1306_LCDHEIGHT != 32)
#error("Height incorrect, please fix Adafruit_SSD1306.h!");
#endif
void setup() {
Serial.begin(9600);
// by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // initialize with the I2C addr 0x3C (for the 128x32)
display.display();
delay(2000);
// Clear the buffer.
display.clearDisplay();
}
void loop() {
String vString = String(count, 3);// using a float and the
display.clearDisplay();
robojaxText("Voltage: ", 4, 3, 1, false);
robojaxText(vString, 72, 3, 1, false);
robojaxText("V", 110, 3, 1, false);
robojaxText("Temprature: 32C", 4, 11, 1, false);
robojaxText("Capacity: 92.86L", 4, 21, 1, false);
//display.drawLine(1, 37, 100, 37, WHITE);
display.drawRect(1, 1, 126,31, WHITE);
//display.drawCircle(63,31, 31, WHITE);
//display.startscrollright(0x00, 0x0F);
display.display();
count +=0.173;
delay(2000);
}
/*
* robojaxText(String text, int x, int y,int size, boolean d)
* text is the text string to be printed
* x is the integer x position of text
* y is the integer y position of text
* z is the text size, 1, 2, 3 etc
* d is either "true" or "false". Not sure, use true
*/
void robojaxText(String text, int x, int y,int size, boolean d) {
display.setTextSize(size);
display.setTextColor(WHITE);
display.setCursor(x,y);
display.println(text);
if(d){
display.display();
}
//delay(100);
}
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