How to turn a WaveShare nRF51-BLE400 into a discoverable beacon using mbed

Dependencies:   mbed BLE_API nRF51822

Port for WaveShare BLE400 (chip nRF51 Aliexpress devboard)
Android Evothings good example for Nordic nRF51822-DK

As target for mbed-online used <Nordic nRF51822>
- (Large green board Nordic nRF51822-mKIT, actually deprecated on 01/03/2019)

Briefly: Handle via Evothings BLE Application 4 LEDs and 2 Buttons(via notify messages).

Figure 1: Evothings Android application screenshot

Evothings application screenshot

Android Evothings application sources

Android application APK

Happy coding!
maxxir 02/03/19

Revision:
11:c9c0c4586c5f
Parent:
9:4241e0bac7b3
Child:
14:1c15d473b42f
--- a/BLE_API.lib	Wed Mar 18 21:02:22 2015 +0000
+++ b/BLE_API.lib	Thu Apr 02 17:19:16 2015 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#d87182a62c1b
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#8c645f5694b2