Simple Arduino LCD Game!
DESCRIPTION
Hello World! Pure Carbon here and today I will be showing you how to make an extremely simple game that can be played on an LCD Button Shield for Arduino. Unfortunately its not actually a game because all you will be able to do is make a character walk back and forth using the buttons on the shield and in order for something to be considered a game in my opinion there need to be some sort of objective or goal to work towards. The sketch that I created was modified from the example code that can be found here. I made a video going through the code where I explain what everything does, so enjoy you silly humans!
Video:
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Here are the items you will need to do this project:
- An Arduino
- The LCD Button Sheild
- USB cable
- a computer
- the Arduino IDE
Now copy and paste the following code into the Arduino IDE, plug in the Arduino to your computer, adjust the settings (board, port, etc.) And upload the sketch to the board. Keep in mind there my be a few things that you need to adjust like the spacing. If you have any problems then leave a comment down below an I will do my best to help you out.
///////////////////////////////////////////////////////////////////////////////////////////////////
#include
LiquidCrystal lcd(8, 13, 9, 4, 5, 6, 7);
int lcd_key = 0;
int adc_key_in = 0;
#define btnRIGHT 0
#define btnLEFT 3
#define btnNONE 5
int read_LCD_buttons()
{ adc_key_in = analogRead(0);
if (adc_key_in < 50) return btnRIGHT;
if (adc_key_in < 650) return btnLEFT;
return btnNONE;
}
byte mario1 [8] = {
B01110,
B11111,
B01110,
B11111,
B01110,
B01010,
B10001,
};
byte mario2 [8] = {
B01110,
B11111,
B01110,
B11111,
B01110,
B00100,
B00100,
};
void marioStand (){
lcd.write((byte)0);
}
void marioRun (){
lcd.setCursor(3,1);
lcd.write((byte)0);
delay(300);
lcd.setCursor(3,1);
lcd.write((byte)1);
delay(300);
}
void setup() {
lcd.begin(16, 2);
lcd.createChar(0,mario1);
lcd.createChar(1,mario2);
}
void loop() {
lcd.setCursor(3,1);
lcd_key = read_LCD_buttons();
switch (lcd_key)
{
case btnRIGHT:
{
marioRun();
lcd.scrollDisplayRight();
break;
}
case btnLEFT:
{
marioRun();
lcd.scrollDisplayLeft();
break;
}
default:
marioStand();
break;
}
}
Now you're done! To control your character press either the button labeled left or right and you should see your character move one space for every time you press one of those buttons.
Like I said earlier if you have any comments, questions, or concerns then leave them in the comment section down below and I will be more than happy to respond. If you like this then please be sure to subscribe to me here and to my YouTube channel for more awesome content like this. there is link on my page to it so be sure to check it out. Thank you for checking out my Instructable and be sure to favorite it, once again thank you.