Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx(the send length is fixed 10 bytes) ...
Dear nordic employee:
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
I try to add a custom characteristic value's UUID. I couldn't find any example or document that provide this information. All I can find is a function sd_ble_gatts_descriptor_add...
As I run through the examples for the nRF51 S110 SDK , I'm not seeing anything for communicating with a sensor over I2C.
On a secondary note, since I have the option to...
I am using a nRF51422 (SDK 6.1.0 with S310) and i have a question about th UART.
I can send and receive data from/to an other MCU but i have to set different parameters...
Hi,
I recently started learning to program nRF51 development kit. I followed most of the examples listed in the forums but I am unable to find a dedicated link which would...
Hello,
I have made some modifications to the OTA DFU bootloader provided by nordic and would like to some advice. I went down this design path before nordic released the...
I was disappointed to see from this question that when calling sd_ble_gatts_characteristic_add(), the value of the characteristic is copied to the SD's memory region:
devzone...
Can anyone explain what that error code is meant to mean?
With the example sdk7.1 dfu bootloader, hrs_with_dfu app built unmodified and sd110 7.1, I get this error on attempting...
Hello,
I have a BLE application running on a nRF51822 chip with the S120 softdefice. If I use the standard Android "search for device" mechanism for Bluetooth devices,...
There seems to be 3 different libraries that can be used to access TWI: nrf_drv_twi, twi_hw_master, twi_sw_master. (please correct if i am wrong).
i am using SDK8.1. Which...
Hello all,
I am switching from a BLE project to an ANT one, and cannot find an ANT equivalent for BLE_STACK_HANDLER_SCHED_EVT_SIZE, why is this? Presumably ANT still uses...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Hi!
We are using the 51822 with S110. I'm currently writing a very simple bootloader which fetches the new application from an external SPI flash.
My plan is to place...