Issues

[DirtyDerv]

Hi im having issues using this library I've included the code I made and the errors any help would be appreciated.

#include <Arduino.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <EEPROM.h>
#include "LCDBigNumbers.hpp"

#define LCD_I2C_ADDRESS 0x27
LiquidCrystal_I2C LCD(LCD_I2C_ADDRESS, LCD_COLUMNS, LCD_ROWS); // Initialize the LCD
LCDBigNumbers myLCD(&LCD, BIG_NUMBERS_FONT_3_COLUMN_3_ROWS_VARIANT_1); // Create an instance of LCDmyLCD

const int encoderPinA = 2;
const int encoderPinB = 3;

volatile int encoderValue = 0;

float encoderPPM = 1000.0;
float screwPitch = 0.5;

const int eepromAddress = 0;
int lastSavedValue = 0;

void setup() {
LCD.init();
LCD.clear();
LCD.backlight();

pinMode(encoderPinA, INPUT);
pinMode(encoderPinB, INPUT);

attachInterrupt(digitalPinToInterrupt(encoderPinA), updateEncoder, CHANGE);
myLCD.begin();
// Load the last saved encoder value from EEPROM
encoderValue = EEPROM.read(eepromAddress);

}

void loop() {
float position = (encoderValue / encoderPPM) * screwPitch;

// Display the formatted number using LCDmyLCD
myLCD.print(position); // Correct usage of displayNumber

if (encoderValue != lastSavedValue) {
    lastSavedValue = encoderValue;
    EEPROM.write(eepromAddress, encoderValue);
}

delay(100);

}

void updateEncoder() {
int stateA = digitalRead(encoderPinA);
int stateB = digitalRead(encoderPinB);

if (stateA == stateB) {
    encoderValue++;
} else {
    encoderValue--;
}

}

C:\Users\woody\Documents\GitHub\PREM\temp\SquareLine_Project\ui\ui.ino:9:69: error: no matching function for call to 'LCDBigNumbers::LCDBigNumbers(LiquidCrystal_I2C*, int)'
LCDBigNumbers myLCD(&LCD, BIG_NUMBERS_FONT_3_COLUMN_3_ROWS_VARIANT_1); // Create an instance of LCDmyLCD
^
In file included from C:\Users\woody\Documents\GitHub\PREM\temp\SquareLine_Project\ui\ui.ino:5:0:
c:\Users\woody\Documents\GitHub\i2c display\libraries\LCDBigNumbers\src/LCDBigNumbers.hpp:409:5: note: candidate: LCDBigNumbers::LCDBigNumbers(LiquidCrystal*, uint8_t)
LCDBigNumbers(LiquidCrystal aLCD, const uint8_t aBigNumberFontIdentifier) :
^~~~~~~~~~~~~
c:\Users\woody\Documents\GitHub\i2c display\libraries\LCDBigNumbers\src/LCDBigNumbers.hpp:409:5: note: no known conversion for argument 1 from 'LiquidCrystal_I2C' to 'LiquidCrystal*'
c:\Users\woody\Documents\GitHub\i2c display\libraries\LCDBigNumbers\src/LCDBigNumbers.hpp:287:7: note: candidate: constexpr LCDBigNumbers::LCDBigNumbers(const LCDBigNumbers&)
class LCDBigNumbers: public Print {
^~~~~~~~~~~~~
c:\Users\woody\Documents\GitHub\i2c display\libraries\LCDBigNumbers\src/LCDBigNumbers.hpp:287:7: note: candidate expects 1 argument, 2 provided

[ArminJo]

include
#define USE_SERIAL_2004_LCD
before
#include "LCDBigNumbers.hpp"

[DirtyDerv]

https://wokwi.com/projects/422512784956188673

[DirtyDerv]

it doesnt display anythign on there but on my LCD its random blocks

[ArminJo]

How do we know that the connections are made correctly?
And may I ask, how old you are?

[DirtyDerv]

im 47 and an engineeer in the metalworking sector. the connections are secure as the clock demo works I just cant get it to display anything else

[ArminJo]

If I put your code

  bigNumberLCD.setBigNumberCursor(0);
         char tString[6];
snprintf_P(tString, sizeof(tString), PSTR("%04d"), Minutes);
bigNumberLCD.print(tString);
Serial.println(tString);

into the Clock example, it works in wokwi https://wokwi.com/projects/422528832980996097