Collin Wentzien
Published © GPL3+

DIY Basketball Scoreboard

A professional-level scoreboard featuring a wireless controller, bright lights, and a loud horn.

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DIY Basketball Scoreboard

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
Arduino Mega 2560
Arduino Mega 2560
×1
SparkFun Transceiver Breakout - nRF24L01+
SparkFun Transceiver Breakout - nRF24L01+
×2
WS2812B LED Strip (5 meters, 60 LED/m)
×1
24" x 12" MDF (or wood equivalent)
×2
Custom PCB
Custom PCB
×2
9V 1A Switching Wall Power Supply
9V 1A Switching Wall Power Supply
×2
5v 20A Power Supply
×1
Rocker Switch
×2
16 x 2 Character LCD
×1
Tactile Switch, Top Actuated
Tactile Switch, Top Actuated
×29
White Vinyl
×1
Federal Signal Vibratone 350 Horn
×1

Software apps and online services

Arduino IDE
Arduino IDE
Adobe Illustrator

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Laser cutter (generic)
Laser cutter (generic)
Hot glue gun (generic)
Hot glue gun (generic)
3D Printer (generic)
3D Printer (generic)

Story

Read more

Custom parts and enclosures

GitHub

Schematics

Scoreboard Schematic

Controller Schematic

GitHub

Code

Scoreboard Code

Arduino
Code for scoreboard. Receives all instructions from controller and displays on scoreboard
/* 
 *  
 *  Timetronics Controller Rev. 0.1
 *  Running Timetroinics OS v1.2 (latest build 3/28/2022)
 *  Designed and built by Collin Wentzien
 *  
 *  Compatible with 24" x 12" scoreboards with 2 LED segments
 *  
 */

// -------------------- Initialization -------------------- //
// ---------- LEDs ----------//
#include <FastLED.h>
#define LED_PIN     3
#define NUM_LEDS    140
#include <SPI.h>

CRGB leds[NUM_LEDS];

// ---------- Radio ----------//
#include <nRF24L01.h>
#include <RF24.h>

RF24 radio(7, 8); // CE, CSN
const byte address[6] = "00001";

// ---------- Other ---------- //
const int buzzerPin = 4;
boolean horn = false;
int times = 0;

int charLayout[11][14] = {
    {0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, //0
    {0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1}, //1
    {1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1}, //2
    {1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1}, //3
    {1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1}, //4
    {1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0}, //5
    {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0}, //6
    {0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1}, //7
    {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, //8
    {1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1}, //9
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}  //CLR
} ; 

//does not include the 1 in third score digit and colon and bonus / poss
int offset[] = {0, 14, 30, 44, 62, 76, 92, 112, 126};

// -------------------- Setup -------------------- //
void setup() {
  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
  
  Serial.begin(9600);
  
  radio.begin();
  radio.openReadingPipe(0, address);
  radio.setPALevel(RF24_PA_MIN);
  radio.startListening();

  pinMode(buzzerPin, OUTPUT);
  
  clearScreen();

  //Draw colon
  leds[28] = CRGB(255, 120, 0);
  leds[29] = CRGB(255, 120, 0);
}

// -------------------- Draw Digit -------------------- //
void drawChar(int number, int offsetY, String color) {
  for (int i = 0; i <= 13; i++) {
    if(charLayout[number][i] == 1) {//chose num
      if(color == "red") {
        leds[i + offset[offsetY]] = CRGB (220, 0, 0);
      }else if(color == "yellow") {
        leds[i + offset[offsetY]] = CRGB (255, 120, 0);
      }
    }else {
      leds[i + offset[offsetY]] = CRGB (0, 0, 0);
    }
  }
}

// -------------------- Draw Other Character -------------------- //
void drawOther(String item) {
  if(item == "hOne") {
    for(int i = 58; i <= 61; i++) {
      leds[i] = CRGB(220, 0, 0);
    }
    
  }else if(item == "hClear") {
    for(int i = 58; i <= 61; i++) {
      leds[i] = CRGB(0, 0, 0);
    }
    
  }else if(item == "gOne") {
    for(int i = 108; i <= 111; i++) {
      leds[i] = CRGB(220, 0, 0);
    }
    
  }else if(item == "gClear") {
    for(int i = 108; i <= 111; i++) {
      leds[i] = CRGB(0, 0, 0);
    }
  }
  
}

// -------------------- Clear Digit -------------------- //
void clearScreen() {
  for (int i = 0; i <= 139; i++) {
    leds[i] = CRGB(0, 0, 0);
  }
  FastLED.show();
}

// -------------------- Loop -------------------- //
void loop() {
  if(times >= 10) {
    horn = false;
    times = 0;
  }else{
    times++;
  }

  Serial.println(times);
  
  if (radio.available()) {
    char clk[32] = "";
    radio.read(&clk, sizeof(clk));

    if(String(clk[0]) == "t") {

      //Milliseconds (08.6)
      if((clk[1] - 0) - '0' == 0 && (clk[2] - 0) - '0' == 0) {
        leds[28] = CRGB(0, 0, 0);
        leds[29] = CRGB(255, 120, 0);
        
        drawChar(10, 3, "");

        drawChar((clk[4] - 0) - '0', 0, "yellow");
        drawChar((clk[5] - 0) - '0', 1, "yellow");

        drawChar((clk[7] - 0) - '0', 2, "yellow");

        FastLED.show();

      //Regular (19:50)
      }else{
        leds[28] = CRGB(255, 120, 0);
        leds[29] = CRGB(255, 120, 0);
        
        if((clk[1] - 0) - '0' != 0) {
          drawChar((clk[1] - 0) - '0', 0, "yellow");
        }else{
          drawChar(10, 0, "");
        }
        drawChar((clk[2] - 0) - '0', 1, "yellow");
        drawChar((clk[4] - 0) - '0', 2, "yellow");
        drawChar((clk[5] - 0) - '0', 3, "yellow");
        
        FastLED.show();
        
      }
    }

    if(String(clk[0]) == "h") {
      if((clk[1] - 0) - '0' != 0) {
        drawOther("hOne");
      }else{
        drawOther("hClear");
      }
      
      if(((clk[2] - 0) - '0' == 0) && ((clk[1] - 0) - '0' == 0)) {
        drawChar(10, 4, "");
        
      }else{
        drawChar((clk[2] - 0) - '0', 4, "red");
      }
      
      drawChar((clk[3] - 0) - '0', 5, "red");
      
      FastLED.show();
    }

    if(String(clk[0]) == "g") {
      if((clk[1] - 0) - '0' != 0) {
        drawOther("gOne");
      }else{
        drawOther("gClear");
      }
      
      if(((clk[2] - 0) - '0' == 0) && ((clk[1] - 0) - '0' == 0)) {
        drawChar(10, 7, "");
        
      }else{
        drawChar((clk[2] - 0) - '0', 7, "red");
      }
      
      drawChar((clk[3] - 0) - '0', 8, "red");
      
      FastLED.show();
    }

    if(String(clk[0]) == "p") {
      drawChar((clk[1] - 0) - '0', 6, "yellow");
      
      FastLED.show();
    }

    if(String(clk[0]) == "a") { //home bonus
      if((clk[1] - 0) - '0' == 1) {
        leds[90] = CRGB(255, 120, 0);
      }else{
        leds[90] = CRGB(0, 0, 0);
      }

      FastLED.show();
    }

    if(String(clk[0]) == "b") { //guest bonus
      if((clk[1] - 0) - '0' == 1) {
        leds[106] = CRGB(255, 120, 0);
      }else{
        leds[106] = CRGB(0, 0, 0);
      }

      FastLED.show();
    }

    if(String(clk[0]) == "c" ) { //home poss
      if((clk[1] - 0) - '0' == 1) {
        leds[91] = CRGB(220, 0, 0);
      }else{
        leds[91] = CRGB(0, 0, 0);
      }

      FastLED.show();
    }

    if(String(clk[0]) == "d") { //guest poss
      if((clk[1] - 0) - '0' == 1) {
        leds[107] = CRGB(220, 0, 0);
      }else{
        leds[107] = CRGB(0, 0, 0);
      }

      FastLED.show();
    }

    if(String(clk[0]) == "o") {
      horn = true;
      times = 0;
    }else{
      horn = false;
    }
    
  }

  Serial.println(horn);

  if(horn == true) {
    digitalWrite(buzzerPin, HIGH);
  }else{
    digitalWrite(buzzerPin, LOW);
  }
}

Controller Code

Arduino
Code for controller. (Mostly) bug free.
/* 
 *  
 *  Timetronics Controller Rev. 0.1
 *  Running Timetroinics OS v1.2 (latest build 12/3/2021)
 *  Designed and built by Collin Wentzien
 *  
 *  Compatible with 24" x 12" scoreboards with 2 LED segments
 *  
 */

// -------------------- Initialization -------------------- //
// ---------- LCD ----------//
#include <LiquidCrystal.h>
LiquidCrystal lcd(22, 23, 24, 25, 26, 27);

byte hornChar[8] = {
  B00000,
  B11111,
  B10001,
  B10101,
  B10001,
  B11111,
  B00000,
  B00000
};

// ---------- Radio ---------- //
#include <RF24.h>
#include <nRF24L01.h>

RF24 radio(49, 47); // CE, CSN
const byte address[6] = "00001";

// ---------- Keypad ---------- //
#include <Keypad.h>
#include <SPI.h>

const byte ROWS = 4;
const byte COLS = 7;

char keys [ROWS] [COLS] = {
  {'a', 'b', 'c',     's', '7', '8', '9'},
  {'d', 'e', 'f',     't', '4', '5', '6'},
  {'g', 'h', 'i',     'u', '1', '2', '3'},
  {'j', 'k', 'l',     'p', 'y', '0', 'n'}
};

byte rowPins[ROWS] = {5, 4, 3, 2};
byte colPins[COLS] = {13, 12, 11, 10, 9, 8, 7};

Keypad myKeypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

// ---------- I/O ---------- //
const int timeToggle = 42;
const int buzzer = 40;
const int hornBtn = 44;

int buttonState = 0;
int hornState = 0;

// ---------- Timing ---------- //
String M1, M2, S1, S2, s;
int m1,m2,s1,s2,S;

unsigned long currentTime;
unsigned long previousTime;

int numLength = 0;
String num1="";
String num2="";
String num3="";
String num4="";
String num5="";
String num6="";
String num7="";

unsigned long currentHorn;
unsigned long previousHorn;

unsigned long currentScreen;
unsigned long previousScreen;
boolean isHome;
boolean first = true;

// ---------- Score ---------- //
String gScore; // to figure out where G: sits on hs
int oldHScore, oldGScore, oldPeriod;
int homeScore = 0;
int guestScore = 0;

// ---------- Poss and Bonus ---------- //
boolean homePoss = false;
boolean homeBonus = false;
boolean guestPoss = false;
boolean guestBonus = false;

// ---------- Period ---------- //
int period = 1;

// ---------- Horn ---------- //
int buzzTime;
int hornTime;

boolean horn = false;
boolean hhorn = false;

// ---------- Other ---------- //
#include <EEPROM.h>
boolean autohorn = true;

boolean timer, hscore, gscore, periods, ct;

boolean selected = false;
boolean pressed = false;
boolean updated = false;
boolean used = false;
boolean on = false;
boolean down = true;
boolean zeroed = false;

// -------------------- Setup -------------------- //
void setup() {
  Serial.begin(9600);

  if(EEPROM.read(0) != 0 || EEPROM.read(0) != 1)
    EEPROM.write(0, 1);
  if(EEPROM.read(0) == 1)
    autohorn = true;
  else
    autohorn = false;
  
  lcd.begin(16,2);
  lcd.createChar(0, hornChar);
  lcd.clear();

  radio.begin();
  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_MIN);
  radio.stopListening();

  radio.flush_tx();
  
  pinMode(timeToggle, INPUT);
  pinMode(hornBtn, INPUT);
  pinMode(buzzer, OUTPUT);

  lcd.setCursor(2,0);
  lcd.print("Timetronics");
  lcd.setCursor(2,1);
  lcd.print("Scoreboards");

  digitalWrite(buzzer, HIGH);
  delay(400);
  digitalWrite(buzzer, LOW);
  
  delay(700);
  lcd.clear();
  delay(100);

  M1="1";
  M2="5";
  S1="0";
  S2="0";
  s="0";

  sendData("time");
  sendData("hScore");
  sendData("gScore");
  sendData("period");

  updated=true;
  hhorn = false;
  homeScreen();
}

// -------------------- Home Screen ------------------- //
void homeScreen() {
  isHome = true;
  pressed=false;
  gScore = guestScore;
  int numLength = gScore.length();
  lcd.setCursor(0,0);
  if(M1 != "0") {
    lcd.print(M1);
    lcd.print(M2);
    lcd.print(":");
    lcd.print(S1);
    lcd.print(S2);
    lcd.print(".");
    lcd.print(s);

    if(horn == true) {
      lcd.setCursor(7, 0);
      lcd.write(byte(0));
      
    }else{
      lcd.setCursor(7, 0);
      lcd.print(" ");
    }
    
  }else{
    lcd.print(M2);
    lcd.print(":");
    lcd.print(S1);
    lcd.print(S2);
    lcd.print(".");
    lcd.print(s);

    if(horn == true) {
      lcd.setCursor(6, 0);
      lcd.write(byte(0));
      
    }else{
      lcd.setCursor(6, 0);
      lcd.write(" ");
    }
  }

  lcd.setCursor(13,0);
  lcd.print("P:");
  lcd.setCursor(15,0);
  lcd.print(period);

  lcd.setCursor(0,1);
  lcd.print("H:");
  lcd.setCursor(2,1);
  lcd.print(homeScore);
  lcd.setCursor(11,1);
  lcd.print("G:");
  lcd.setCursor(13,1);
  lcd.print(guestScore);

  lcd.setCursor(7,1);
  if(homePoss)
    lcd.print("<");
  else if(guestPoss)
    lcd.print(">");

  if(homeBonus) {
    lcd.setCursor(6,1);
    lcd.print("B");
  }
  if(guestBonus) {
    lcd.setCursor(8,1);
    lcd.print("B");
  }
}

// -------------------- Loop -------------------- //
void loop() {
  char key = myKeypad.getKey();
  buttonState = digitalRead(timeToggle);
  hornState = digitalRead(hornBtn);

  //mini buzzer for controller
  if(key != NO_KEY && key != 'o' && key != 'g') {
    for(int i = 0; i < 1000; i++) {
      digitalWrite(buzzer,HIGH);
    }
    digitalWrite(buzzer,LOW);
  }

  if(isHome == false) {
    updated = false;
    
    currentScreen = millis();
    if(currentScreen - previousScreen >= 2000) {
      Serial.println(currentScreen - previousScreen);
      previousScreen = millis();
      lcd.clear();
      updated = true;
      homeScreen();
      
    }
  }

//TIME
  m1=M1.toInt();
  m2=M2.toInt();
  s1=S1.toInt();
  s2=S2.toInt();
  S=s.toInt();

  if(buttonState==LOW) {
    if(m1==0 && m2==0 && s1==0 && s2==0 && S==0) { //AUTOHORN
      if(zeroed == false) {
        previousHorn=millis();
        sendData("time");
        zeroed = true;
      }

      currentHorn=millis();
      if(currentHorn-previousHorn<=2500 && autohorn == true) {
        sendData("horn");
        horn = true;
        
      }else{
        if(zeroed == false) {
          previousHorn=millis();
          horn = false;
        }
      }
      
    }else{
      currentTime=millis();
      if(currentTime-previousTime>=94) {
        S=S-1;
        previousTime=millis();
      }
      
      if(S<0) {
        S=9;
        s2=s2-1;
        s=String(S);
        S2=String(s2);
      }if(s2<0) {
        s2=9;
        s1=s1-1;
        S2=String(s2);
        S1=String(s1);
      }if(s1<0) {
        s1=5;
        m2=m2-1;
        S1=String(s1);
        M2=String(m2);
      }if(m2<0) {
        m2=9;
        m1=m1-1;
        M1=String(m1);
        M2=String(m2);
      }if(m1<0) {
        m1=0;
        M1=String(m1);
      }

      sendData("time"); //more accurate, but uses more power
    }
  }
    
  M1=String(m1);
  M2=String(m2);
  S1=String(s1);
  S2=String(s2);
  s=String(S);

  //HOME
//  if(key=='t' && pressed==false) {
//    updated = true;
//    lcd.clear();
//    homeScreen();
//  }

  if(updated==true) {
    homeScreen();
  }

  //SET

   if(key=='s'){
    updated = false;
    pressed = true;
    selected = true;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Set...");
  }

  //time
  if(key=='t' && pressed==true && selected == true){
    if(buttonState == LOW) {
      selected = false;
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Stop time before");
      lcd.setCursor(0,1);
      lcd.print("setting time");
      
    }else {
      zeroed = false;
      selected = false;
      num4="";
      num7="";
  
      M1="";
      M2="";
      S1="";
      S2="";
      s="";
      timer=true;
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Set Time:");
      lcd.setCursor(0,1);
      lcd.print("MM:SS.s");
    }
    
  }else if(key=='a' && pressed==true && selected == true) {
    selected = false;
    num1 = "";
    hscore=true;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Set Home Score:");
    lcd.setCursor(0,1);
    lcd.print(homeScore);

    sendData("hScore");
    
  }else if(key=='g' && pressed==true && selected == true) {
    selected = false;
    num2 = "";
    gscore=true;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Set Guest Score:");
    lcd.setCursor(0,1);
    lcd.print(guestScore);

    sendData("gScore");
    
  }else if(key=='p' && pressed==true && selected == true) {
    selected = false;
    num3 = "";
    periods=true;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Set Period:");
    lcd.setCursor(0,1);
    lcd.print(period);

    sendData("period");
  }

  if(key!=NO_KEY && key=='0' || key=='1' || key=='2' || key=='3' || key=='4' || key=='5' || key=='6' || key=='7' || key=='8' || key=='9' && pressed==true) {
    updated = false;
    if(hscore==true) {
      numLength = num1.length();
      if(numLength<3) {
        num1 = num1 + key;
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("Set Home Score:");
        lcd.setCursor(0,1);
        lcd.print(num1);
      }
    }
    if(gscore==true) {
      numLength = num2.length();
      if(numLength<3) {
        num2 = num2 + key;
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("Set Guest Score:");
        lcd.setCursor(0,1);
        lcd.print(num2);
      }
    }
    if(periods==true) {
      num3 = key;
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Set Period:");
      lcd.setCursor(0,1);
      lcd.print(num3);
    }
    if(timer==true) {
      num7=num7+key;
      numLength = num7.length();
      if(numLength==1) {
        s=key;
        lcd.setCursor(6,1);
        lcd.print(s);

      }else if(numLength==2) {
        S2=s;
        s=key;
        lcd.setCursor(4,1);
        lcd.print(S2);
        lcd.print(".");
        lcd.print(s);

      }else if(numLength==3) {
        S1=S2;
        S2=s;
        s=key;
        lcd.setCursor(3,1);
        lcd.print(S1);
        lcd.print(S2);
        lcd.print(".");
        lcd.print(s);

      }else if(numLength==4) {
        M2=S1;
        S1=S2;
        S2=s;
        s=key;
        lcd.setCursor(1,1);
        lcd.print(M2);
        lcd.print(":");
        lcd.print(S1);
        lcd.print(S2);
        lcd.print(".");
        lcd.print(s);

      }else if(numLength==5) {
        M1=M2;
        M2=S1;
        S1=S2;
        S2=s;
        s=key;
        lcd.setCursor(0,1);
        lcd.print(M1);
        lcd.print(M2);
        lcd.print(":");
        lcd.print(S1);
        lcd.print(S2);
        lcd.print(".");
        lcd.print(s);
      }
    }
  }
  
  if(key!=NO_KEY && key=='y' && pressed==true) {
    if(S1=="6" || S1=="7" || S1=="8" || S1=="9") {
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Invalid time");
      M1="2";
      M2="0";
      S1="0";
      S2="0";
      s="0";

      sendData("time");
      
      
      pressed=false;
      periods=false;
      hscore=false;
      gscore=false;
      timer=false;
      updated=true;
      ct=false;
      used=false;
      hhorn = true;
      lcd.clear();
      homeScreen();

      hhorn = true;
      
    }else{
      used=false;
      if(periods==true) {
        period = num3.toInt();
      }else if(hscore==true) {
        homeScore = num1.toInt();
      }else if(gscore==true) {
        guestScore = num2.toInt();
      }
      pressed=false;
      periods=false;
      hscore=false;
      gscore=false;
      timer=false;
      ct=false;
      lcd.clear();
      homeScreen();
      updated=true;

      hhorn = true;
    }

    sendData("time");
    sendData("hScore");
    sendData("gScore");
    sendData("period");

    
  }
  
  if(key!=NO_KEY && key=='n'&& pressed==true) {

    sendData("time");
    sendData("hScore");
    sendData("gScore");
    sendData("period");

    pressed=false;
    periods=false;
    hscore=false;
    gscore=false;
    timer=false;
    updated=true;
    ct=false;
    used=false;
    hhorn = true;
    lcd.clear();
    homeScreen();
  }
  
//SCORE
  //Serial.println(buttonState); //for debugging purposes

    //home
  if(key == 'a' && pressed==false && homeScore < 199) {
    updated = false;
    homeScore += 1;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Home Score +1");
    lcd.setCursor(0,1);
    lcd.print(homeScore);

    sendData("hScore");

    previousScreen = millis();
    isHome = false;
      
  }else if (key == 'b' && pressed==false && homeScore < 198) {
    updated = false;
    homeScore += 2;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Home Score +2");
    lcd.setCursor(0,1);
    lcd.print(homeScore);

    sendData("hScore");

    previousScreen = millis();
    isHome = false;
      
  }else if (key == 'c' && pressed==false && homeScore < 197) {
    updated = false;
    homeScore += 3;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Home Score +3");
    lcd.setCursor(0,1);
    lcd.print(homeScore);

    sendData("hScore");

    previousScreen = millis();
    isHome = false;
      
  }else if (key == 'd' && pressed==false && homeScore!=0) {
    updated = false;
    homeScore -= 1;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Home Score -1");
    lcd.setCursor(0,1);
    lcd.print(homeScore);

    sendData("hScore");

    previousScreen = millis();
    isHome = false;


      //guest
  }else if (key == 'g' && pressed==false && guestScore < 199) {
    updated = false;
    guestScore += 1;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Guest Score +1");
    lcd.setCursor(0,1);
    lcd.print(guestScore);

    sendData("gScore");

    previousScreen = millis();
    isHome = false;
    
  }else if (key == 'h' && pressed==false && guestScore < 198) {
    updated = false;
    guestScore += 2;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Guest Score +2");
    lcd.setCursor(0,1);
    lcd.print(guestScore);

    sendData("gScore");

    previousScreen = millis();
    isHome = false;
    
  }else if (key == 'i' && pressed==false && guestScore < 197) {
    updated = false;
    guestScore += 3;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Guest Score +3");
    lcd.setCursor(0,1);
    lcd.print(guestScore);

    sendData("gScore");

    previousScreen = millis();
    isHome = false;
    
  }else if (key == 'j' && pressed==false && guestScore!=0) {
    updated = false;
    guestScore -= 1;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Guest Score -1");
    lcd.setCursor(0,1);
    lcd.print(guestScore);

    sendData("gScore");


    previousScreen = millis();
    isHome = false;
    
  }

//POSS AND BONUS
  if(key == 'e' && pressed==false) {
    updated = false;
    homePoss = !homePoss;
    if(guestPoss)
      guestPoss = !guestPoss;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Home Possession");
    lcd.setCursor(0,1);
    lcd.print(homePoss ? "On" : "Off");

    sendData("c");
    sendData("d");

    previousScreen = millis();
    isHome = false;
      
  } else if(key == 'k' && pressed==false) {
    updated = false;
    guestPoss = !guestPoss;
    if(homePoss)
      homePoss = !homePoss;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Guest Possession");
    lcd.setCursor(0,1);
    lcd.print(guestPoss ? "On" : "Off");

    sendData("c");
    sendData("d");

    previousScreen = millis();
    isHome = false;
      
  }

  if(key == 'f' && pressed==false) {
    updated = false;
    homeBonus = !homeBonus;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Home Bonus");
    lcd.setCursor(0,1);
    lcd.print(homeBonus ? "On" : "Off");

    sendData("a");

    previousScreen = millis();
    isHome = false;
      
  } else if(key == 'l' && pressed==false) {
    updated = false;
    guestBonus = !guestBonus;
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Guest Bonus");
    lcd.setCursor(0,1);
    lcd.print(guestBonus ? "On" : "Off");

    sendData("b");

    previousScreen = millis();
    isHome = false;
  }

//PERIOD
  if(key=='p' && pressed==false) {
    updated = false;
    period += 1;
    if(period<=9) {
    }else{
      period = 0;
    }
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Period +1");
    lcd.setCursor(0,1);
    lcd.print(period);

    sendData("period");

    previousScreen = millis();
    isHome = false;
    
  }

//  if(key == 'u' && pressed == false) {
//    digitalWrite(buzzer, HIGH);
//    delay(400);
//    digitalWrite(buzzer, LOW);
//    
//    zeroed = false;
//    lcd.clear();
//    delay(400);
//
//    M1="1";
//    M2="5";
//    S1="0";
//    S2="0";
//    s="0";
//
//    homeScore = 0;
//    guestScore = 0;
//    period = 1;
//    
//    sendData("time");
//    sendData("hScore");
//    sendData("gScore");
//    sendData("period");
//
//    homeScreen();
//  }

  if(key == 'u' && pressed == false) {
    updated = false;

    if(autohorn) {
      autohorn = false;
      EEPROM.write(0, 0);
    } else {
      autohorn = true;
      EEPROM.write(0, 1);
    }

    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Auto Horn");
    lcd.setCursor(0,1);
    lcd.print(autohorn ? "On" : "Off");
    
    previousScreen = millis();
    isHome = false;
  }

//HORN
  if(hornState == HIGH) {
    horn = true;
    sendData("horn");
    
  }else{
    horn = false;
  }
}

// -------------------- Send Data -------------------- //
void sendData(String item) {
  if(item == "time") {
    String all = "t" + M1 + M2 + ":" + S1 + S2 + "." + s;
    char clk[32];
    all.toCharArray(clk, 32);
    radio.write(&clk, sizeof(clk));
  
  }else if(item == "hScore") {
    String hTot;
    
    if(homeScore < 10) {
      hTot = "h00" + String(homeScore);
    }else if(homeScore < 100) {
      hTot = "h0" + String(homeScore);
    }else{
      hTot = "h" + String(homeScore);
    }
    
    char hSc[32];
    hTot.toCharArray(hSc, 32);
    radio.write(&hSc, sizeof(hSc));
    
  }else if(item == "gScore") {
    String gTot;
    
    if(guestScore < 10) {
      gTot = "g00" + String(guestScore);
    }else if(guestScore < 100) {
      gTot = "g0" + String(guestScore);
    }else{
      gTot = "g" + String(guestScore);
    }
    
    char gSc[32];
    gTot.toCharArray(gSc, 32);
    radio.write(&gSc, sizeof(gSc));
    
  }else if(item == "period") {
    String pTot = "p" + String(period);
    
    char pSc[32];
    pTot.toCharArray(pSc, 32);
    radio.write(&pSc, sizeof(pSc));
    
  }else if(item == "horn") {
    char hrn[32] = "o";
    radio.write(&hrn, sizeof(hrn));
    
  }else if(item == "a") {
    String total = "a" + String(homeBonus);
    char snd[32];
    total.toCharArray(snd, 32);
    radio.write(&snd, sizeof(snd));
    
  }else if(item == "b") {
    String total = "b" + String(guestBonus);
    char snd[32];
    total.toCharArray(snd, 32);
    
    radio.write(&snd, sizeof(snd));
    
  }else if(item == "c") {
    String total = "c" + String(homePoss);
    char snd[32];
    total.toCharArray(snd, 32);
    radio.write(&snd, sizeof(snd));
    
  }else if(item == "d") {
    String total = "d" + String(guestPoss);
    char snd[32];
    total.toCharArray(snd, 32);
    radio.write(&snd, sizeof(snd));
  }
}

Credits

Collin Wentzien

Collin Wentzien

0 projects • 9 followers
Hello! My name is Collin Wentzien, and I am a 16 year old who enjoys electrical and mechanical engineering.

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