Can anyone help to get this code running? Not sure how to fix the error.

#include "Arduino.h" #include "Buzzer.h" #include "HX711.h" #include "Wire.h" #include "SPI.h" #include "Adafruit_SSD1306.h" #include "Adafruit_GFX.h"

#define BUZZER_PIN_SIG 2 #define SCALE_PIN_DAT 3 #define SCALE_PIN_CLK 4 #define OLED128X64_PIN_VCC 5 #define OLED128X64_PIN_DC 6 #define OLED128X64_PIN_CS 5 #define HX711 (F("0.2.1"))

Buzzer buzzer(BUZZER_PIN_SIG); #define scale (SCALE_PIN_DAT, SCALE_PIN_CLK); #define calibration_factor 2280 // Obtain factor from calibration factor code https://learn.sparkfun.com/tutorials/load-cell-amplifier-hx711-breakout-hookup-guide?_ga=2.77038550.2126325781.1526891300-303225217.1493631967 #define SSD1306_LCDHEIGHT 64 Adafruit_SSD1306 oLed128x64(OLED128X64_PIN_DC, OLED128X64_PIN_VCC, OLED128X64_PIN_CS); void setup() // put your setup code here, to run once: { Serial.begin(9600); while (!Serial) ; // wait for serial port to connect. Needed for native USB Serial.println("start"); scale.begin(SCALE_PIN_DAT, SCALE_PIN_CLK); scale.set_scale(calibration_factor); scale.tare(); //Assuming there is no weight on the scale at start up, reset the scale to 0 menuOption = menu(); }

void loop() // put your main code here, to run repeatedly: { if(menuOption == '1') { // Buzzer - Test Code // The buzzer will turn on and off for 500ms (0.5 sec) buzzer.on(); // 1. turns on delay(500); // 2. waits 500 milliseconds (0.5 sec). Change the value in the brackets (500) for a longer or shorter delay in milliseconds. buzzer.off(); // 3. turns off. delay(500); // 4. waits 500 milliseconds (0.5 sec). Change the value in the brackets (500) for a longer or shorter delay in milliseconds. } else if(menuOption == '2') { // Graphic LCD 160x128 Huge - Test Code // The LCD Screen will display the text of your choice at the location (30,50) on screen. Counting from the top left corner: 30 pixels to the right and 50 pixels down graphicLCD.setX(30); // 1. sets left-right indent for text to print. Change the value in the brackets (1 - left, 164 - right) for a different indent. graphicLCD.setY(50); // 2. sets top-bottom height for text to print. Change the value in the brackets (1 - top, 128 - bottom) for a different height. graphicLCD.print("The Safety Shovel"); // 3. prints the text in the brackets. Modify the text to get your own unique print. delay(1000); // 4. waits 1000 milliseconds (1 sec). Change the value in the brackets (1000) for a longer or shorter delay in milliseconds. graphicLCD.clear(); // 5. wipes the screen delay(1000); // 6. waits 1000 milliseconds (1 sec). Change the value in the brackets (1000) for a longer or shorter delay in milliseconds. } else if(menuOption == '3') { // SparkFun HX711 - Load Cell Amplifier - Test Code scale.begin(SCALE_PIN_DAT, SCALE_PIN_CLK); scale.set_scale(calibration_factor); float scaleUnits = scale.get_units(); //scale.get_units() returns a float graphicLCD.setX(30); graphicLCD.setY(50); Serial.print(scaleUnits); Serial.println(" lbs"); graphicLCD.print(scaleUnits "lbs"); } if (millis() - time0 > timeout) { menuOption = menu(); } // Alarm sounds 3 times if weight exceeds limit // Weight needs to be defined for this section of code to function // Alarm code begins if (scaleUnits > 10){ buzzer.on(); delay(1000); buzzer.off(); delay(500); buzzer.on(); delay(1000); buzzer.off(); delay(500); buzzer.on(); delay(1000); buzzer.off(); delay(500); }

else{ buzzer.off(); } // Alarm code ends

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