This is an example of how to setup mbed to run on the ANNA-B112 using the EVK-NINA-B1 target for compilation

Revision:
1:2bd5f1894796
Parent:
0:67a616264a3f
--- a/mbed_app.json	Thu Feb 27 21:02:19 2020 +0000
+++ b/mbed_app.json	Sun Mar 01 21:36:20 2020 +0000
@@ -10,7 +10,8 @@
         "*": {
             "target.lf_clock_src": "NRF_LF_SRC_RC",
             "target.lf_clock_rc_calib_timer_interval": 16,
-            "target.lf_clock_rc_calib_mode_config": 1
+            "target.lf_clock_rc_calib_mode_config": 1,
+            "target.console-uart-flow-control": "Disabled"
             }
     }
 }
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