#include <LCD_I2C.h>
#define PB1 11
#define PB2 8
#define PB3 5
#define PB4 2
#define POT1 A0
#define POT2 A1
#define POT3 A2
#define BUZ A7
LCD_I2C lcd(0x27, 16, 2);
int menu;
void setup()
{
pinMode(PB1, INPUT_PULLUP);
pinMode(PB2, INPUT_PULLUP);
pinMode(PB3, INPUT_PULLUP);
pinMode(PB4, INPUT_PULLUP);
pinMode(BUZ, OUTPUT);
lcd.begin();
lcd.backlight();
}
void loop()
{
if (menu == 0) {
lcd.setCursor(0, 0);
lcd.print(" Tekan PB1");
}
if (menu == 0 && digitalRead(PB1) == 0) {
lcd.clear();
menu = 1;
while (digitalRead(PB1) == 0) {}
}
if (menu == 1) {
lcd.setCursor(0, 0);
lcd.print(">ADC-A0");
lcd.setCursor(1, 1);
lcd.print("ADC-A1");
if (digitalRead(PB1) == 0) {
menu = 4;
while (digitalRead(PB1) == 0) {};
}
}
if (menu == 2) {
lcd.setCursor(1, 0);
lcd.print("ADC-A0");
lcd.setCursor(0, 1);
lcd.print(">ADC-A1");
}
if (menu == 3) {
lcd.setCursor(1, 0);
lcd.print("ADC-A1");
lcd.setCursor(0, 1);
lcd.print(">ADC-A2");
}
if (digitalRead(PB2) == 0 && menu > 1 && menu <= 3) {
lcd.clear();
menu--;
while (digitalRead(PB2) == 0) {}
}
if (digitalRead(PB3) == 0 && menu >= 1 && menu < 3) {
lcd.clear();
menu++;
while (digitalRead(PB3) == 0) {}
}
if (menu == 1 && digitalRead(PB1) == 0) {
menu = 4;
while (digitalRead(PB1) == 0) {}
}
if (menu == 4) {
lcd.setCursor(0, 0);
lcd.print(" Nilai ADC-A0");
lcd.setCursor(0, 1);
lcd.print(" ");
lcd.print(analogRead(POT1));
lcd.print(" ");
}
if (menu == 2 && digitalRead(PB1) == 0) {
menu = 5;
while (digitalRead(PB1) == 0) {}
}
if (menu == 5) {
lcd.setCursor(0, 0);
lcd.print(" Nilai ADC-A1");
lcd.setCursor(0, 1);
lcd.print(" ");
lcd.print(analogRead(POT2));
lcd.print(" ");
}
if (menu == 3 && digitalRead(PB1) == 0) {
menu = 6;
while (digitalRead(PB1) == 0) {}
}
if (menu == 6) {
lcd.setCursor(0, 0);
lcd.print(" Nilai ADC-A2");
lcd.setCursor(0, 1);
lcd.print(" ");
lcd.print(analogRead(POT3));
lcd.print(" ");
}
if (menu == 4 && digitalRead(PB4) == 0) {
menu = 1;
lcd.clear();
while (digitalRead(PB4) == 0) {}
}
if (menu == 5 && digitalRead(PB4) == 0) {
menu = 2;
lcd.clear();
while (digitalRead(PB4) == 0) {}
}
if (menu == 6 && digitalRead(PB4) == 0) {
menu = 3;
lcd.clear();
while (digitalRead(PB4) == 0) {}
}
if (menu == 1 && digitalRead(PB4) == 0) {
menu = 0;
lcd.clear();
while (digitalRead(PB4) == 0) {}
}
if (menu == 2 && digitalRead(PB4) == 0) {
menu = 0;
lcd.clear();
while (digitalRead(PB4) == 0) {}
}
if (menu == 3 && digitalRead(PB4) == 0) {
menu = 0;
lcd.clear();
while (digitalRead(PB4) == 0) {}
}
}