HELP NEEDED editing code for new display

ashishthakur · September 29, 2022, 3:31am

Hi,for my project iam using an 0.96 nch which is working properly with the code and showing reading of the sensor ,but i bought a new 1.3 inch big screen for my project to increase the size of display
0.96 inch oled dislay ssd1306
1.3 inch oled display sh1106
so can someone help me editing the code to monitor sensor reading on 1.3 inch oled display
iam using esp32 module
This is the code below:
final.h.ino (11.6 KB)

Pls see if you can help

UKHeliBob · September 29, 2022, 7:30am

Please post your code here, using code tags when you do, to avoid the need to download it

ashishthakur · September 29, 2022, 8:08am

This is the code for 0.96 inch screen
Can you edit it for 1.3 inch screen SH1106
It is working properly for 0.96 inch OLED display

#define BLYNK_TEMPLATE_ID "Template ID"
#define BLYNK_DEVICE_NAME "Device Name"
#define BLYNK_AUTH_TOKEN "Token"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wifi Name";
char pass[] = "Wifi Password";

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.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

#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)

// 'Air Quality', 128x64px
const unsigned char splash [] PROGMEM = {
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};

int CO2Sensor = 36;

Adafruit_BME280 bme;

int temp = 0;
int humid = 0;
int pressure = 0;
int CO2 = 0;
BlynkTimer timer;

void setup() //Setup function - only function that is run in deep sleep mode
{
Serial.begin(9600); //Start the serial output at 115,200 baud
analogReadResolution(10); //Set the resolution of the analogue input
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) //Connect to the OLED display
{
Serial.println(F("SSD1306 allocation failed")); //If connection fails
for(;;); //Don't proceed, loop forever
}
display.clearDisplay(); //Clear the display
display.setTextColor(SSD1306_WHITE); //Set the text colour to white
display.drawBitmap(0, 0, splash, 128, 64, WHITE); //Display bitmap from array
display.setTextSize(1); //Set the text size
display.setCursor(30,50);
display.print(F("Air Quality"));
display.display();

unsigned status;
status = bme.begin(); //Connect to BME sensor
if (!status)
{
Serial.println("Could not find a valid BME280 sensor");
}
delay(2000);
Blynk.begin(auth, ssid, pass);//Splash screen delay
delay(2000);
timer.setInterval(1000L, mySensor);
}

void loop() //Loop function
{
Blynk.run();
timer.run();
}

void mySensor()
{

recTemp ();
recHumid ();
recPress ();
recCO2 ();
Blynk.virtualWrite(V0, temp);
Blynk.virtualWrite(V1, humid);
Blynk.virtualWrite(V2, pressure);
Blynk.virtualWrite(V3, CO2);

Serial.print("Temp: ");
Serial.println(temp);
Serial.print("Humidity: ");
Serial.println(humid);
Serial.print("Pressure: ");
Serial.println(pressure);
Serial.print("CO2: ");
if(CO2 >= 0)
{
Serial.println(CO2);
}
else
{
Serial.println("Preheating");
}
display.clearDisplay(); //Clear display
display.setCursor(32,4);
display.print(F("Air Quality"));
display.setCursor(15,18); //Set the display cursor position
display.print(F("Temp: ")); //Set the display text
display.setCursor(60,18);
display.print(temp);
display.print(F(" C"));
display.setCursor(15,30);
display.print(F("Humid: "));
display.setCursor(60,30);
display.print(humid);
display.print(F(" %"));
display.setCursor(15,42);
display.print(F("Press: "));
display.setCursor(60,42);
display.print(pressure);
display.print(F(" hPa"));
display.setCursor(15,54);
display.print(F("CO2: "));
display.setCursor(60,54);
if(CO2 >= 0)
{
display.print(CO2);
display.print(F(" ppm"));
}
else
{
display.print(F("Preheating"));
}
display.display(); //Output the display text
}

void recTemp () //Function to record the temperature
{
temp = bme.readTemperature();
}

void recHumid () //Function to record the humidity
{
humid = bme.readHumidity();
if (humid > 100)
humid = 100;
}

void recPress () //Function to record the pressure
{
pressure = bme.readPressure()/100;
}

void recCO2 ()
{
int sensorValue = analogRead(CO2Sensor);
Serial.print("Sensor Reading: ");
Serial.println(sensorValue);
float voltage = sensorValue*(3300/1023)+154;
Serial.print("Voltage: ");
Serial.println(voltage);
if (voltage < 400)
{
CO2 = -1;
}
else
{
CO2 = (voltage-400)*50/16;
}
}

UKHeliBob · September 29, 2022, 8:42am

Did you miss the request to use code tags ?

Please follow the advice given in the link below when posting code, in particular the section entitled 'Posting code and common code problems'

Use [color = red]code tags[/color] (the </> icon above the compose window) to make it easier to read and copy for examination

ashishthakur · September 29, 2022, 9:11am

Pls see if you can help in editing the code

Idahowalker · September 29, 2022, 9:49am

please help by putting the code in code tags.

johnwasser · September 29, 2022, 2:29pm

Step 1: Replace all "SSD1306" with "SH1106" and see what happens.
Result:

sketch_sep26a:19:10: fatal error: Adafruit_SH1106.h: No such file or directory
 #include <Adafruit_SH1106.h>
          ^~~~~~~~~~~~~~~~~~~
compilation terminated.

Step 2: Look for a SH1106 library.
Result: Good news! "Adafruit_SH110X" library exists.

Step 3: Change Adafruit_SH1106.h to Adafruit_SH110X.h
Result:

sketch_sep26a:25:1: error: 'Adafruit_SH1106' does not name a type; did you mean 'Adafruit_SH1107'?
 Adafruit_SH1106 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); // Declaration for an SH1106 display connected to I2C (SDA, SCL pins)
 ^~~~~~~~~~~~~~~

Step 4: Check the Adafruit_SH110X examples for an SH1106.
Result: The I2C example used "Adafruit_SH1106G"

Step 5: Change "Adafruit_SH1106 display" to "Adafruit_SH1106G display"
Result:

/Users/john/Documents/Arduino/sketch_sep26a/sketch_sep26a.ino: In function 'void setup()':
sketch_sep26a:110:22: error: 'SH1106_SWITCHCAPVCC' was not declared in this scope
   if (!display.begin(SH1106_SWITCHCAPVCC, 0x3C)) //Connect to the OLED display
                      ^~~~~~~~~~~~~~~~~~~

Step 6: Looks like .begin() only takes the address so remove "SH1106_SWITCHCAPVCC, "
Result:

/Users/john/Documents/Arduino/sketch_sep26a/sketch_sep26a.ino: In function 'void setup()':
sketch_sep26a:116:24: error: 'SH1106_WHITE' was not declared in this scope
   display.setTextColor(SH1106_WHITE); //Set the text colour to white
                        ^~~~~~~~~~~~

Step 7: Change names from "SH1106_..." to "SH110X_..."
Result: The name "WHITE" was not defined in:
display.drawBitmap(0, 0, splash, 128, 64, WHITE); //Display bitmap from array

Step 8: Change "WHITE" to "SH110X_WHITE" in that line.
Result: COMPILES WITHOUT ERROR OR WARNING.

That wasn't too hard:

#define BLYNK_TEMPLATE_ID "Template ID"
#define BLYNK_DEVICE_NAME "Device Name"
#define BLYNK_AUTH_TOKEN "Token"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wifi Name";
char pass[] = "Wifi Password";

#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SH110X.h>

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

#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SH1106G display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); // Declaration for an SH1106 display connected to I2C (SDA, SCL pins)

// 'Air Quality', 128x64px
const unsigned char splash [] PROGMEM =
{
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};

int CO2Sensor = 36;

Adafruit_BME280 bme;

int temp = 0;
int humid = 0;
int pressure = 0;
int CO2 = 0;
BlynkTimer timer;

void setup() //Setup function - only function that is run in deep sleep mode
{
  Serial.begin(9600); //Start the serial output at 115,200 baud
  analogReadResolution(10); //Set the resolution of the analogue input
  if (!display.begin(0x3C)) //Connect to the OLED display
  {
    Serial.println(F("SH1106 allocation failed")); //If connection fails
    for (;;); //Don't proceed, loop forever
  }
  display.clearDisplay(); //Clear the display
  display.setTextColor(SH110X_WHITE); //Set the text colour to white
  display.drawBitmap(0, 0, splash, 128, 64, SH110X_WHITE); //Display bitmap from array
  display.setTextSize(1); //Set the text size
  display.setCursor(30, 50);
  display.print(F("Air Quality"));
  display.display();

  unsigned status;
  status = bme.begin(); //Connect to BME sensor
  if (!status)
  {
    Serial.println("Could not find a valid BME280 sensor");
  }
  delay(2000);
  Blynk.begin(auth, ssid, pass);//Splash screen delay
  delay(2000);
  timer.setInterval(1000L, mySensor);
}

void loop() //Loop function
{
  Blynk.run();
  timer.run();
}

void mySensor()
{

  recTemp ();
  recHumid ();
  recPress ();
  recCO2 ();
  Blynk.virtualWrite(V0, temp);
  Blynk.virtualWrite(V1, humid);
  Blynk.virtualWrite(V2, pressure);
  Blynk.virtualWrite(V3, CO2);

  Serial.print("Temp: ");
  Serial.println(temp);
  Serial.print("Humidity: ");
  Serial.println(humid);
  Serial.print("Pressure: ");
  Serial.println(pressure);
  Serial.print("CO2: ");
  if (CO2 >= 0)
  {
    Serial.println(CO2);
  }
  else
  {
    Serial.println("Preheating");
  }
  display.clearDisplay(); //Clear display
  display.setCursor(32, 4);
  display.print(F("Air Quality"));
  display.setCursor(15, 18); //Set the display cursor position
  display.print(F("Temp: ")); //Set the display text
  display.setCursor(60, 18);
  display.print(temp);
  display.print(F(" C"));
  display.setCursor(15, 30);
  display.print(F("Humid: "));
  display.setCursor(60, 30);
  display.print(humid);
  display.print(F(" %"));
  display.setCursor(15, 42);
  display.print(F("Press: "));
  display.setCursor(60, 42);
  display.print(pressure);
  display.print(F(" hPa"));
  display.setCursor(15, 54);
  display.print(F("CO2: "));
  display.setCursor(60, 54);
  if (CO2 >= 0)
  {
    display.print(CO2);
    display.print(F(" ppm"));
  }
  else
  {
    display.print(F("Preheating"));
  }
  display.display(); //Output the display text
}

void recTemp () //Function to record the temperature
{
  temp = bme.readTemperature();
}

void recHumid () //Function to record the humidity
{
  humid = bme.readHumidity();
  if (humid > 100)
    humid = 100;
}

void recPress () //Function to record the pressure
{
  pressure = bme.readPressure() / 100;
}

void recCO2 ()
{
  int sensorValue = analogRead(CO2Sensor);
  Serial.print("Sensor Reading: ");
  Serial.println(sensorValue);
  float voltage = sensorValue * (3300 / 1023) + 154;
  Serial.print("Voltage: ");
  Serial.println(voltage);
  if (voltage < 400)
  {
    CO2 = -1;
  }
  else
  {
    CO2 = (voltage - 400) * 50 / 16;
  }
}

ashishthakur · September 30, 2022, 8:54am

Ok I will compile thanks in advance

ashishthakur · September 30, 2022, 11:30am

Hi sir the code is working
Only issue is the text size is as the previous display size so can you help me edit the the size of text to fit the text in full 1.3 inch display

ashishthakur · September 30, 2022, 11:40am

As you can see the text size is small and some space in display is left
So can you pls help me edit the code to fit the text in full size of the display
So the remaining part of the display is filled up!!

johnwasser · September 30, 2022, 12:26pm

If your new display is not 128x64 (you never said) you should probably set these to match the new resolution:

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

I'm guessing that this setTextSize() function has something to do with the size of the text characters. Look for Adafruit_GFX library documentation to tell you what values are allowed and what character size each represents.
display.setTextSize(1); //Set the text size

The 'setCursor()' function is used to position text on the screen. Change the values to put the text where you want it on the screen.

  display.setCursor(60, 18);
  display.print(temp);
  display.print(F(" C"));

ashishthakur · September 30, 2022, 1:20pm

Yes it is 128×64 .

johnwasser · September 30, 2022, 2:19pm

If the new display is also 128x64 it has the same number of pixels as your old display. You can't write on the parts of the display that don't have pixels. If the text is the same size as on the old display, they just made the display 1.3" by adding bigger borders.

ashishthakur · October 1, 2022, 3:33am

Sorry,my mistake
It is *128×48 pixel of 1.3 inch display

So how can I increase the text size to fit it into full display

flashko · October 1, 2022, 7:38am

The two displays have the same resolution (128 x 64) and only the physical size is different. What exactly do you think you want to do?

https://www.aliexpress.com/item/32643950109.html

https://www.aliexpress.com/item/1005004131362533.html

system · March 30, 2023, 7:39am

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HELP NEEDED editing code for new display

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