Keyestudio ESP32 - Page 166

ESP32 Starter Kit
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if (distance < 10) { //Eliminate the second residual digit when the value drops to␣
˓→one digit
lcd.setCursor(10, 1);
lcd.print(" ");
}
}
void show_luminance() { //Read the analog value of photoresistor
int value = analogRead(ligth_sensor);
lcd.setCursor(0, 1);
lcd.print("Luminance:");
lcd.setCursor(11, 1);
lcd.print(value);
if (value < 1000) {
lcd.setCursor(14, 1);
lcd.print(" ");
}
if (value < 100) {
lcd.setCursor(13, 1);
lcd.print(" ");
}
if (value < 10) {
lcd.setCursor(12, 1);
lcd.print(" ");
}
}
void show_sound() { //Read the analog sound value
int value = analogRead(sound_sensor);
lcd.setCursor(0, 1);
lcd.print("Sound:");
lcd.setCursor(7, 1);
lcd.print(value);
if (value < 1000) {
lcd.setCursor(10, 1);
lcd.print(" ");
}
if (value < 100) {
lcd.setCursor(9, 1);
lcd.print(" ");
}
if (value < 10) {
lcd.setCursor(8, 1);
lcd.print(" ");
}
}
void show_pot() { //Read the analog value of potentiometer
int value = analogRead(pot_sensor);
lcd.setCursor(0, 1);
lcd.print("PotAnalog:");
lcd.setCursor(11, 1);
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162 Chapter 8. Arduino Tutorial