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

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 CableDEMO 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 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 i10 i Get 10 sample value from the sensor for smooth the value buf i analogRead SensorPin delay 10 for int i 0 i9 i sort the analog from small to large for int j i 1 j10 j if buf i buf j int temp buf i buf i buf j buf j temp avgValue 0 for int i 2 i8 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 LOW