SmartD / Mbed 2 deprecated mbed_pH_test

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Dependencies:   mbed

Fork of mbed_pH225 by SmartD

Diff: main.cpp

Revision:
4:bc63632c6808
Parent:
3:98adc27dc82d
Child:
5:8ec4c03f4079
--- a/main.cpp	Tue Mar 31 23:47:27 2015 +0000
+++ b/main.cpp	Thu Apr 02 04:53:05 2015 +0000
@@ -39,10 +39,10 @@
         //look at the documentation to figure out what readout correlates to what voltage
         voltage = avgSensor*(3.3);
         //conversion to pH from sensor output voltage per LM61 data sheet
-        pH = (0.0209*voltage)-12.696;
+        pH = (voltage-.60924)/.05226667;
         //conversion to degrees C from sensor output voltage
-        float voltageT = avgTemp*3.3;
-        tempC = (((voltageT/1000) - 1.022129)/-0.0018496);
+        float voltageT = avgTemp*3.3*1000;
+        tempC = ((voltageT - 435.49)/-2.93);
         tempF = (tempC *9/5) + 32;
         //print current pH and temp
         pc.printf("pH = %5.2F at voltage %5.2F V\n\r", pH, voltage);