API

[iamblue]

hello,

i am developing a health care device and i am using nrf52 dk board for development , i want my device to communicate to the android app, and i have zero experience in API , tell me where to start to with the api, i want to send some parameters to my device through my app

And also i amusing uart for communication with my MCU(pic24) with nrf52

[Kenneth]

Hi,

I guess in specific this may be a good start: 
http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.2.0/ble_sdk_app_blinky.html?cp=4_0_0_4_1_2_3 

However if you are just starting you should check out:
http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.2.0/nrf51_getting_started.html?cp=4_0_0_1 

Best regards,
Kenneth