I think this is the correct code but keeps showing 'ELSE' without the 'IF' error message.
like this
I believe else if statements are correct. Can anyone tell me what's wrong??
const int LED1 = 41;
const int LED2 = 42;
const int LED3 = 43;
const int LED4 = 44;
const int LED5 = 45;
const int LED6 = 46;
const int LED7 = 47;
const int LED8 = 48;
const int LED9 = 49;
const int LED10 = 50;
const int SW_1 = 31;
const int SW_2 = 31;
const int SW_3 = 31;
const int SW_4 = 31;
const int SW_5 = 31;
const int SW_6 = 31;
const int SW_7 = 31;
const int SW_8 = 38;
const float Voltage = 120;
float POT_NUM[10], LDR_NUM[10];
int Switch1, Switch8, LED=41;
float LDR;
float POT_Total, LDR_Total;
float POT_Average, LDR_Average, BOTH_Average;
float POT_Current, LDR_Current, BOTH_Current;
float POT_Average2, LDR_Average2, BOTH_Average2;
float Result1;//for pot
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
for(int i=31; i<39; i++){//Define digit pins as inputs/outputs
pinMode(i, INPUT);//Setup Switches INPUT
}//ends for-loop digital Switches
for(int i=41; i<51; i++){//Define digit pins as inputs/outputs
pinMode(i, OUTPUT);//Setup LEDs OUTPUT
}//ends for-loop digital LED
NAME();
}//ends Void Setup
void loop() {
// put your main code here, to run repeatedly:
Switch1 = digitalRead(31);
Switch8 = digitalRead(38);
if(Switch1==1){
POT_Average2 = POT_Reading();
Serial.print("\nThe Average POT Values is: ");
Serial.print(POT_Average2, 1);
Serial.print(" ohm");
POT_Current = Voltage/POT_Average2*1000;
Serial.print("\nThe Circuit Current with POT is: ");
Serial.print(POT_Current, 1);
Serial.print(" mA");
}//ends if for Switch1
Switch8 = digitalRead(38);
else if (Switch8==1){
LDR_Average2 = LDR_Reading();
Serial.print("\nThe Average LDR Value is: ");
Serial.print(LDR_Average2, 1);
Serial.print(" ohm");
LDR_Current = Voltage/LDR_Average2*1000;
Serial.print("\nThe Circuit Current with LDR is: ");
Serial.print(LDR_Current, 1);
Serial.print(" mA");
}//ends if for Switch8
else if(Switch1 ==1 && Switch8 == 1){
LDR_Reading();
POT_Reading();
BOTH_Average2= POT_Reading()+LDR_Reading();
Serial.print("\nThe Average POT & LDR Value is: ");
Serial.print(BOTH_Average2, 1);
Serial.print(" ohm");
BOTH_Current = Voltage/BOTH_Average2*1000;
Serial.print("\nThe Circuit Current with POT & LDR is: ");
Serial.print(BOTH_Current, 1);
Serial.print(" mA");
}//ends if for Both Switch1 & Switch8
}//ends Void Loop
float POT_Reading(){
POT_Total = 0;//To set the total value 0 for repeating computation
for (int i=0; i<10; i++){
delay(2000);//Delay to read every 2 seconds
POT_NUM[i]= analogRead(A7);//Read&Store POT value 6 elements
digitalWrite(LED, HIGH);
LED = LED +1;
POT_Total = POT_Total + POT_NUM[i];
}//ends for POT read
LED=41;//Set back to 41
for (int i=0; i<10; i++){
delay(1000);//Delay to read every 2 seconds
Serial.print("\n");
Serial.print(i+1);
Serial.print(" The POT Value is: ");
Serial.print(POT_NUM[i], 1);
Serial.print(" ohm");
digitalWrite(LED, LOW);
LED = LED +1;
}//ends for POT print
POT_Average = POT_Total /10;
return POT_Average;
}//ends POT function
float LDR_Reading(){
LDR_Total = 0;//To set the total value 0 for repeating computation
for (int i=0; i<10; i++){
delay(2000);//Delay to read every 2 seconds
LDR_NUM[i]= analogRead(A6);//Read&Store POT value 6 elements
digitalWrite(LED, HIGH);
LED = LED +1;
LDR_Total = LDR_Total + LDR_NUM[i];
}//ends for LDR read
LED=41;//Set back to 41
for (int i=0; i<10; i++){
delay(500);//1 Second-delay between printing the numbers
Serial.print("\n");
Serial.print(i+1);
Serial.print(" The LDR Value is: ");
Serial.print(LDR_NUM[i], 1);
Serial.print(" ohm");
digitalWrite(LED, LOW);
LED = LED +1;
}//ends for LDR print
LDR_Average = LDR_Total /10;
return LDR_Average;
}//ends LDR function
void NAME(){//Begins NAME Fuction
String First ="";
String Last = "";
Serial.print("\nPlease enter your first name: ");
while(Serial.available()==0){};//waits for user input
First=Serial.readString();//User input stored in First
Serial.print("\nPlease enter your last name: ");
while(Serial.available()==0){};//waits for user input
Last=Serial.readString();//User input stored in Last
Serial.print("\n\tGood morning " +First);
}
