nRF52840 How to send negative value & decimal value

[Soojin]

Hi! I'm currently using the nrF52840 DK to send numbers by BLE. 
I have 2 questions for you. 

1. Can I send negative values? ex. -1, -2, -3 

2. Can I send decimal values? ex. -0.1, -0.2, -0.3

+ Is there a fixed data format for nRF52840? I don't know if I have to fix something more, but by now, I am guessing that by using nRF52840, I can only send 1byte hexadecimal numbers. 

Always thanks for your help. 

[Marjeris Romero]

Hi,

You can send whatever data format you want over BLE UART. Take a look at the BLE UART peripheral example in the nRF5 SDK: https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.0/ble_sdk_app_nus_eval.html

Best regards,

Marjeris