David k
/
Proximity Sensor
Line sensoe
Diff: main.cpp
- Revision:
- 0:0d568a5d1348
- Child:
- 1:5f1c49bcdecf
diff -r 000000000000 -r 0d568a5d1348 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun Mar 17 10:05:51 2019 +0000 @@ -0,0 +1,24 @@ +#include "mbed.h" + +DigitalIn digital_value(D7); + +DigitalOut led(LED1); + +int main() { + float meas; + + printf("\nDigitalIn example\n"); + + while(1) { + meas = digital_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 + printf("measure = %.3f mV\n", meas); + if (meas = 1) { // If the value is greater than 2V then switch the LED on + led = 1; + } + else { + led = 0; + } + wait(0.2); // 200 ms + } +}