read voltage value and show with 7 segments LED.
Fork of Nucleo_read_analog_value by
Diff: main.cpp
- Revision:
- 0:b30041f75f46
- Child:
- 1:5dd840359117
diff -r 000000000000 -r b30041f75f46 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun Aug 23 13:04:42 2015 +0000 @@ -0,0 +1,21 @@ +#include "mbed.h" + +AnalogIn analog_value(A0); + +DigitalOut led(LED1); + +int main() { + float meas; + + 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 + if (meas > 2000) { // If the value is greater than 2V then switch the LED on + led = 1; + } + else { + led = 0; + } + wait(0.2); // 200 ms + } +}