Electrode Probe For Liquid Ph Value Detection With Amplifier Sensor Module
Rs. 1,085.00 Rs. 1,237.00
- Product Code: SEN-PH
- SKU -
- Availability: In Stock
- For Bulk Order
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PACKAGE INCLUDES:
1 PCS x Electrode Probe For Liquid Ph Value Detection Sensor With Amplifier Module
/*SOURCE CODE TAKEN FROM BELOW LINK
https://www.dfrobot.com/product-1025.html
# This sample codes is for testing the pH meter V1.0.
# Editor : YouYou
# Date : 2013.10.12
# Ver : 0.1
# Product: pH meter
# SKU : SEN0161
*/
#define SensorPin 0 //pH meter Analog output to Arduino Analog Input 0
unsigned long int avgValue; //Store the average value of the sensor feedback
float b;
int buf[10],temp;
void setup()
{
pinMode(13,OUTPUT);
Serial.begin(9600);
Serial.println("Ready"); //Test the serial monitor
}
void loop()
{
for(int i=0;i<10;i++) //Get 10 sample value from the sensor for smooth the value
{
buf[i]=analogRead(SensorPin);
delay(10);
}
for(int i=0;i<9;i++) //sort the analog from small to large
{
for(int j=i+1;j<10;j++)
{
if(buf[i]>buf[j])
{
temp=buf[i];
buf[i]=buf[j];
buf[j]=temp;
}
}
}
avgValue=0;
for(int i=2;i<8;i++) //take the average value of 6 center sample
avgValue+=buf[i];
float phValue=(float)avgValue*5.0/1024/6; //convert the analog into millivolt
phValue=3.5*phValue; //convert the millivolt into pH value
Serial.print(" pH:");
Serial.print(phValue,2);
Serial.println(" ");
digitalWrite(13, HIGH);
delay(800);
digitalWrite(13, LOW);
}
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