#include <SoftwareSerial.h>
#include <BlynkSimpleStream.h>
char auth = "T57Fo6UaEqluT90dR-j2px9SSiLqaSmd";
const int ch=3;
const int Relay1 = 3; //water pump1 (alkhali)
const int Relay2 = 4; //water pump2 (Acid)
const int Relay3 = 5; //water pump3 (mixing)
const int PH_SENSOR = A0;
unsigned long int run_time = 0;
unsigned long int avgValue;
bool refilling = true; //false
int buffer_data[10], temp;
BLYNK_READ(V0) {
Blynk.virtualWrite(V0, millis() / 1000);
void setup() {
Serial.begin(9600); //baudrate
DebugSerial.begin(9600);
Serial.println("Inalisis konfigurasi pin pada kontroller...");
//inisiasi pin input
pinMode(Relay1, OUTPUT);
pinMode(Relay2, OUTPUT);
pinMode(Relay3, OUTPUT);
pinMode(PH_SENSOR, INPUT);
digitalWrite(Relay1, LOW);
delay(60000);
digitalWrite(Relay2, LOW);
delay(60000);
digitalWrite(Relay3, HIGH);
Blynk.begin(Serial, auth);
Serial.begin(9600);
}
void loop()
{
//amik data sensor
for(int i = 0; i < 10; i++) {
buffer_data[i] = analogRead(PH_SENSOR);
delay(80); //delay 80ms, bagusnya 100
}
for(int i = 0; i < 9; i++) {
for(int j = i+1; j < 10; j++) if(buffer_data[i] > buffer_data[j]) {
temp = buffer_data[i];
buffer_data[i] = buffer_data[j];
buffer_data[j] = temp;
}
}
avgValue = 0;
for(int i = 3; i < 9; i++) {
avgValue += buffer_data[i];
}
float pHVol = (float)avgValue* 5.0 / 1024 / 6;
float ph_value = -5.70 * pHVol + 21.34;
if(ph_value < 6 ) {// kondisi air acid wajib tukar
if(!refilling) {
refilling = true;
digitalWrite(Relay1, HIGH);
delay(1200);
digitalWrite(Relay1, LOW);
Serial.println("[debug]: Water to acidic!");
}
}
if(ph_value > 8) {// kondisi air alkhali wajib tukar
if(!refilling) {
refilling = true;
digitalWrite(Relay2, HIGH);
delay(1200);
digitalWrite(Relay2, LOW);
Serial.println("[debug]: Water to alkhali!");
}
}
while (ph_value = 7 ) {// kondisi air dah elok)
if(!refilling) {
refilling = false;
digitalWrite(Relay1, LOW);
digitalWrite(Relay2, LOW);
Serial.println("[debug]: Water is neutral!");
Blynk.run();
}
}
}
// the error is
test:45:1: error: a function-definition is not allowed here before '{' token
test:102:1: error: expected '}' at end of input
exit status 1
a function-definition is not allowed here before '{' token
when i try to fix it, its give more error. help please