Promo - PH Sensor Module V1.1 PH Probe For AVR 51 PH Shield with

PH Sensor Module V1.1 PH Probe For AVR 51 PH Shield with MSP430 Test Code Sensor

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Specification:Module Power : 5.00VModule Size : 43 x 32mmMeasuring Range :0 - 14PHMeasuring Temperature: 0 - 60 CAccuracy : 0.1pH (25 C)Response Time : 1minpH Sensor with BNC ConnectorpH2.0 Interface ( 3 foot patch )Gain Adjustment PotentiometerPower Indicator LEDPackage includes:1 x PH Sensor Module1 x Probe1 x CableArduino DEMO Code: /*# This sample codes is for testing the pH meter V1.0.# Editor : YouYou# Date : 2013.10.21# Ver : 0.1# Product: pH meter# SKU : SEN0161*/ #define SensorPin 0 //pH meter Analog output to Arduino Analog Input 0#define Offset 0.00 //deviation compensateunsigned long int avgValue; //Store the average value of the sensor feedbackvoid setup(){pinMode(13,OUTPUT);Serial.begin(9600);Serial.println( Ready ); //Test the serial monitor}void loop(){int buf[10]; //buffer for read analogfor(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]){int 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 sampleavgValue =buf[i];float phValue=(float)avgValue*5.0/1024/6; //convert the analog into millivoltphValue=3.5*phValue Offset; //convert the millivolt into pH valueSerial.print( pH: );Serial.print(phValue,2);Serial.println( );digitalWrite(13, HIGH);delay(800);digitalWrite(13,

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