Arduino – CLCD with I2C – Equalizer
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#include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // or 0x3F int varRes=A1; int volumes=0; void setup() { lcd.init(); delay(1000); lcd.backlight(); lcd.setCursor(0,0); lcd.print(" Music Start! "); } void loop() { volumes=map(analogRead(varRes), 0, 1023, -1, 15); lcd.setCursor(0,1); for (int i=0;i<16;i++) { if (i > volumes) { lcd.write(255); } else { lcd.write(160); } } } |