My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hi,
I am programming and debugging an external customised board by following the DK manual and the below link:
electronut.in/.../
I use the interface P20 instead of...
Dear all
I want to add the static pin to my project(s110 stackV8.0, based on SDK10), add the follow code to gap_params_init:
uint8_t passkey[] = STATIC_PASSKEY;
m_static_pin_option...
Dear all
Good day!
I want to develop the Android APP to received the BLE's ad raw data(which is dynamic change). Which API should I called to get the raw data? And should...
Hi,
I am using nrf51822xxaa , Keil Uvision 5.14.2.1. SDK 10.0.0 and S130. I need optimisation level O3 for most parts of the code, except for one part (about 10 lines of...
I can't seem to add custom pin definitions to my own board in SDK12. I use the BOARD_CUSTOM define and copied my PCA10040 header file to one call custom_board.h and my pin...
Hello,
I'm working with the experimental BLE blinky application (with nrf52 and s132 SoftDevice).
It works fine, but now I would like to add one more characteristic one...
Hello,
I am working with Arduino blend micro BLE, i am trying to change some advertisement data and uuid service.
I am using the BLEPeripheral library and the next functions...
In the file bsp.c (from the SDK11 ble_hrs example) I don't quite understand the initialization statement:
static bsp_button_event_cfg_t m_events_list[BUTTONS_NUMBER] =...
Hi,
I'm working with UARTE using a receipt timeout. So far so good, I tweaker nrf_drv_uart to get notified upon RXDRDY interrupt (char received but not yet DMA transfered...
Hi,
I've got some software that already uses nordic_uart, so when I try to add another uuid I get NRF_ERROR_NO_MEM.
Now reading around at others with this problem, it...
Dear Nordic,
I am following this test example [https://github.com/NordicSemiconductor/nrf51-ble-app-lbs/tree/throughput-test-5.2.0] while using nrf51822 dev board.
I...
Hello.
I use nRF52 , PCA10040 , S132 , SDK 11 & Keil5.
I want nrf to do bit operation.
The code about bit operation is following.
unsigned char tmp[2];
unsigned short...
