Heart rate sensor example code https://os.mbed.com/users/donalm/code/PulseSensor/

Dependencies:   PulseSensor

Revision:
0:8d3802709c6c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Nov 12 03:35:57 2017 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+#include "PulseSensor.h"
+ 
+Serial pc(USBTX, USBRX);
+    
+ 
+/** Print the data in a format that can be parsed by the 
+ *  Processing application available here: http://pulsesensor.myshopify.com/pages/code-and-guide
+ */
+void sendDataToProcessing(char symbol, int data)
+{
+    if(symbol == 'B') pc.printf("%c%d\r\n", symbol, data);
+}
+ 
+ 
+ 
+int main() {
+    
+    PulseSensor sensor(A0, sendDataToProcessing);
+ 
+    pc.baud(115200);
+    
+    sensor.start();
+ 
+    while(1) {
+    }
+}