https://devzone.nordicsemi.com/f/nordic-q-a/64970/nrf52840-how-to-send-negative-value-decimal-valueHi! I&#39;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&#39;t know if Ien-USTelligent Community 13Wed, 19 Aug 2020 15:14:29 GMThttps://devzone.nordicsemi.com/thread/265385?ContentTypeID=1Wed, 19 Aug 2020 15:14:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5eb3a92e-8cdc-4864-88a7-f9514a32f341Marjeris Romero<p>Hi,</p> <p>You can send whatever data format you want over BLE UART. Take a look at the BLE UART peripheral example in the nRF5 SDK: <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.0/ble_sdk_app_nus_eval.html">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.0/ble_sdk_app_nus_eval.html</a></p> <p>Best regards,</p> <p>Marjeris</p><div style="clear:both;"></div>