LCD Sensor Displayer

Senses when a breakbeam sensor is broken and displays on an LCD display.

Mar 14, 2019

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detection

Components and supplies

IC2 LCD Attachment

Break Beam Sensors

Male/Female Jumper Wires

Arduino UNO

Apps and platforms

Arduino IDE

Arduino Create Online

Project description

Code

LCD I2C code

arduino

This is a code for whenever you break the laser, it displays text. If you want to edit the text, you can go to line 39 & 47 for the broken, & unbroken text that it displays. You can also change the delay it refreshes the text so it doesn't spazz out.

1 
2// BBeam Sensor Code
3
4#include <OneWire.h> // LCD Wire
5#include   <LiquidCrystal_I2C.h> // LCD
6
7LiquidCrystal_I2C lcd(0x27,16,2);  // set the   LCD address to 0x27 for a 16 chars and 2 line display
8
9
10#define LEDPIN   13
11
12#define SENSORPIN 4
13
14// variables will change:
15int sensorState   = 0, lastState=0; 4r   // variable for reading the pushbutton status
16
17void   setup() {
18  // initialize the LED pin as an output:
19  pinMode(LEDPIN, OUTPUT);       
20  // initialize the sensor pin as an input:
21  pinMode(SENSORPIN, INPUT);      
22  digitalWrite(SENSORPIN, HIGH); // turn on the pullup
23  
24  Serial.begin(9600);
25   lcd.init(); 
26  lcd.setBacklight(HIGH); // NOTE: You can turn the backlight   off by setting it to LOW instead of HIGH
27  lcd.begin(16, 2);
28}
29
30void   loop(){
31  // read the state of the pushbutton value:
32  sensorState = digitalRead(SENSORPIN);
33
34   // check if the sensor beam is broken
35  // if it is, the sensorState is LOW:
36   if (sensorState == LOW) {     
37    // BB sensor is broken:
38    lcd.setCursor(0,0);
39     lcd.print("broken text here");
40    delay(1000); // delay of how much it   loops
41  } 
42  else {
43    // if the sensor beam isn't broken it will be on   HIGH:
44    // BB sensor isn't broken
45    lcd.clear();
46    lcd.setCursor(0,0);
47     lcd.print("text here");
48    delay(1000); // delay of how much it loops
49   }
50  
51  if (sensorState && !lastState) {
52    Serial.println("Unbroken");
53   }                                 // the state of the sensors
54  if (!sensorState   && lastState) {
55    Serial.println("Broken"); 
56  }
57  lastState = sensorState;
58}e;
59}

 
// BBeam Sensor Code

#include <OneWire.h> // LCD Wire
#include   <LiquidCrystal_I2C.h> // LCD

LiquidCrystal_I2C lcd(0x27,16,2);  // set the   LCD address to 0x27 for a 16 chars and 2 line display


#define LEDPIN   13

#define SENSORPIN 4

// variables will change:
int sensorState   = 0, lastState=0; 4r   // variable for reading the pushbutton status

void   setup() {
  // initialize the LED pin as an output:
  pinMode(LEDPIN, OUTPUT);       
  // initialize the sensor pin as an input:
  pinMode(SENSORPIN, INPUT);      
  digitalWrite(SENSORPIN, HIGH); // turn on the pullup
  
  Serial.begin(9600);
   lcd.init(); 
  lcd.setBacklight(HIGH); // NOTE: You can turn the backlight   off by setting it to LOW instead of HIGH
  lcd.begin(16, 2);
}

void   loop(){
  // read the state of the pushbutton value:
  sensorState = digitalRead(SENSORPIN);

   // check if the sensor beam is broken
  // if it is, the sensorState is LOW:
   if (sensorState == LOW) {     
    // BB sensor is broken:
    lcd.setCursor(0,0);
     lcd.print("broken text here");
    delay(1000); // delay of how much it   loops
  } 
  else {
    // if the sensor beam isn't broken it will be on   HIGH:
    // BB sensor isn't broken
    lcd.clear();
    lcd.setCursor(0,0);
     lcd.print("text here");
    delay(1000); // delay of how much it loops
   }
  
  if (sensorState && !lastState) {
    Serial.println("Unbroken");
   }                                 // the state of the sensors
  if (!sensorState   && lastState) {
    Serial.println("Broken"); 
  }
  lastState = sensorState;
}e;
}

LCD I2C code

arduino

1 
2// BBeam Sensor Code
3
4#include <OneWire.h> // LCD Wire
5#include  <LiquidCrystal_I2C.h> // LCD
6
7LiquidCrystal_I2C lcd(0x27,16,2);  // set the  LCD address to 0x27 for a 16 chars and 2 line display
8
9
10#define LEDPIN  13
11
12#define SENSORPIN 4
13
14// variables will change:
15int sensorState  = 0, lastState=0; 4r   // variable for reading the pushbutton status
16
17void  setup() {
18  // initialize the LED pin as an output:
19  pinMode(LEDPIN, OUTPUT);      
20  // initialize the sensor pin as an input:
21  pinMode(SENSORPIN, INPUT);     
22  digitalWrite(SENSORPIN, HIGH); // turn on the pullup
23  
24  Serial.begin(9600);
25  lcd.init(); 
26  lcd.setBacklight(HIGH); // NOTE: You can turn the backlight  off by setting it to LOW instead of HIGH
27  lcd.begin(16, 2);
28}
29
30void  loop(){
31  // read the state of the pushbutton value:
32  sensorState = digitalRead(SENSORPIN);
33
34  // check if the sensor beam is broken
35  // if it is, the sensorState is LOW:
36  if (sensorState == LOW) {     
37    // BB sensor is broken:
38    lcd.setCursor(0,0);
39    lcd.print("broken text here");
40    delay(1000); // delay of how much it  loops
41  } 
42  else {
43    // if the sensor beam isn't broken it will be on  HIGH:
44    // BB sensor isn't broken
45    lcd.clear();
46    lcd.setCursor(0,0);
47    lcd.print("text here");
48    delay(1000); // delay of how much it loops
49  }
50  
51  if (sensorState && !lastState) {
52    Serial.println("Unbroken");
53  }                                 // the state of the sensors
54  if (!sensorState  && lastState) {
55    Serial.println("Broken"); 
56  }
57  lastState = sensorState;
58}e;
59}

 
// BBeam Sensor Code

#include <OneWire.h> // LCD Wire
#include  <LiquidCrystal_I2C.h> // LCD

LiquidCrystal_I2C lcd(0x27,16,2);  // set the  LCD address to 0x27 for a 16 chars and 2 line display


#define LEDPIN  13

#define SENSORPIN 4

// variables will change:
int sensorState  = 0, lastState=0; 4r   // variable for reading the pushbutton status

void  setup() {
  // initialize the LED pin as an output:
  pinMode(LEDPIN, OUTPUT);      
  // initialize the sensor pin as an input:
  pinMode(SENSORPIN, INPUT);     
  digitalWrite(SENSORPIN, HIGH); // turn on the pullup
  
  Serial.begin(9600);
  lcd.init(); 
  lcd.setBacklight(HIGH); // NOTE: You can turn the backlight  off by setting it to LOW instead of HIGH
  lcd.begin(16, 2);
}

void  loop(){
  // read the state of the pushbutton value:
  sensorState = digitalRead(SENSORPIN);

  // check if the sensor beam is broken
  // if it is, the sensorState is LOW:
  if (sensorState == LOW) {     
    // BB sensor is broken:
    lcd.setCursor(0,0);
    lcd.print("broken text here");
    delay(1000); // delay of how much it  loops
  } 
  else {
    // if the sensor beam isn't broken it will be on  HIGH:
    // BB sensor isn't broken
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("text here");
    delay(1000); // delay of how much it loops
  }
  
  if (sensorState && !lastState) {
    Serial.println("Unbroken");
  }                                 // the state of the sensors
  if (!sensorState  && lastState) {
    Serial.println("Broken"); 
  }
  lastState = sensorState;
}e;
}

Downloadable files

Wire locations & components

The wire locations and the resistor location.

Wire locations & components

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