int val;

float temp;

val=analogRead(0);

temp=val/4.092;

val=(int)temp;//

lcd.setCursor(9, 1);

lcd.print(temp);

/*

lcd.print(0x30+val/100,BYTE);

lcd.print(0x30+(val%100)/10,BYTE);

lcd.print('.');

lcd.print(0x30+val%10,BYTE);

*/

delay(100);

}

NOTE: If you have a multimeter, you can easily read the output voltage through output terminal

without the LCD and LCD displaying code. In other words, voltage regulation is independent.

Consider it as a normal shield with function of voltage regulation.

Result

LCD will display the output voltage from the Power shield.

Trouble shooting

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