fra221-pb11
/
hw02
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Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:c8b89a6e4c0e
- Child:
- 1:da458f1db225
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Oct 18 15:57:42 2018 +0000
@@ -0,0 +1,26 @@
+#include "mbed.h"
+
+AnalogIn analog_value(A0);
+
+DigitalOut led(LED1);
+
+int main()
+{
+ float meas_r;
+ float meas_v;
+
+ while(1) {
+
+ meas_r = analog_value.read(); // Read the analog input value (value from 0.0 to 1.0 = full ADC conversion range)
+ meas_v = meas_r * 3300; // Converts value in the 0V-3.3V range
+
+ // LED is ON when the value is above 2V
+ if (meas_v > 2000) {
+ led = 1; // LED ON
+ } else {
+ led = 0; // LED OFF
+ }
+
+ wait(0.2); // 200 millisecond
+ }
+}