you can use LPS25HB sensor on mbed.

Dependents:   cansattougoutest mbed_LPS25HB koubousattttttttttttttttttttttdddddyorooooo koubousattttttttttttttttttttttddooaass ... more

Revision:
0:4ea758df868a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample.txt	Sat Dec 22 16:44:40 2018 +0000
@@ -0,0 +1,23 @@
+#include "mbed.h"
+#include "LPS.h"
+
+I2C i2c(D14,D15);
+LPS ps(i2c);
+
+int main(){
+    wait_ms(100);
+    if (!ps.init()){
+        printf("Failed to autodetect pressure sensor!\r\n");
+        while (1);
+    }
+    ps.enableDefault();
+    
+    while(1){
+        float pressure = ps.readPressureMillibars();
+        float altitude = ps.pressureToAltitudeMeters(pressure);
+        float temperature = ps.readTemperatureC();
+  
+        printf("p:%.2f\t mbar\ta:%.2f m\tt:%.2f deg C\r\n",pressure,altitude,temperature);
+    }
+    wait_ms(100);
+}
\ No newline at end of file