OhmBoyZ_Capstone
/
MagneticRead
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Dependencies: mbed
Repository for the 2015 OhmBoyZ Capstone group.
Revision 0:cbee968c2ec3, committed 2015-11-17
- Comitter:
- Krabby127
- Date:
- Tue Nov 17 17:19:01 2015 +0000
- Child:
- 1:d901038c4bd2
- Commit message:
- Created copy to use
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Nov 17 17:19:01 2015 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include <math.h>
+
+AnalogIn analog_value(A0);
+
+DigitalOut led(LED1);
+
+int main() {
+ float meas;
+ float b;
+ float offset;
+ printf("\nAnalogIn example\n");
+ while(1) {
+ 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)
+ b=meas/(4.0*12.2*100.0); // Based 9h
+ printf("meas = %fmV\n\r",meas);
+ printf("b = %f Gauss\n\r",b);
+ printf("B = %fuT\n\r", b*100.0); // Output B field in micro-Tesla
+ if (meas > 2000) { // If the value is greater than 2V then switch the LED on (greater than
+ led = 1;
+ }
+ else {
+ led = 0;
+ }
+ wait(1.0); // 1 s
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Nov 17 17:19:01 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11 \ No newline at end of file
