Revision 3:7285d6ff672b, committed 2015-11-24

Comitter:

Krabby127

Date:

Tue Nov 24 22:45:23 2015 +0000

Parent:

2:a17facee23c1

Child:

4:769396add1a8

Commit message:

Updated equation to specify Gauss

Changed in this revision

--- a/main.cpp	Tue Nov 17 17:56:50 2015 +0000
+++ b/main.cpp	Tue Nov 24 22:45:23 2015 +0000
@@ -13,9 +13,10 @@
         meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
         meas = meas * 3300; // Change the value to be in the 0 to 3300 range (currently to mV)
         printf("meas = %fmV\n\r",meas); // Print out raw measurement in terms of mV
-        b=meas/(4.0*12.2*100.0); // Based on equation 1
-        printf("b = %f Gauss\n\r",b); // Print out b field measure in Gauss
-        printf("B = %fuT\n\r", b*100.0); // Output B field in micro-Tesla
+        //b=(meas/1000)/(4.0*12.2*100.0); // Based on equation 1
+        // 12.2 mA/mT
+        //printf("b = %f Gauss\n\r",b); // Print out b field measure in Tesla
+        //printf("B = %fuT\n\r", b*1000.0); // Output B field in micro-Tesla
         if (meas > 2000) { // If the value is greater than 2V then switch the LED on
           // greater than 410 microGauss [40 mT]
           led = 1;
@@ -23,6 +24,6 @@
         else {
           led = 0;
         }
-        wait(1.0); // wait 1 second
+        wait(.1); // wait 1 second
     }
 }