Arduino – CLCD with I2C – Variable Resistor
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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; int volumesLength=1; void setup() { lcd.init(); delay(1000); lcd.backlight(); lcd.setCursor(0,0); lcd.print("Volume value : "); } void loop() { volumes=analogRead(varRes); volumesLength=String(volumes).length(); lcd.setCursor(0,1); for (int i=0;i<4-volumesLength;i++) { lcd.print(" "); } lcd.print(volumes); } |