23,804 questions

Hi,

I had done secure OTA in nRF51 DK board using SDK 12.2.0 and s130 2.0.1 softdevice. Now, i am trying to same thing with my custom Board RL-51822-A1.

For that first i am uploading softdevice ... (more)

Hi ,

Please advise, what the Low Power option I have if I want to sample Two channels of analog input at the same time. The sample rate in every channel is 12K, 12Bit. And to fills 512 samples word for ... (more)

Good afternoon.

I have bought a "nRF51822 Bluetooth® Smart Beacon Kit (nRF6930, Rev 1.3.0)" this is the first time I work with this, docs say that it has installed softdevice s110 with sdk 7.

The problem is that ... (more)

Hi I am using SDK12.2.0 and Softdevice S130 v2.0.1 on board PCA100028 ; the board works fine and Phone can scan the name of DFUtarg； But when run the same on the customer board, it seems didn ... (more)

Hello,

Can you please provide any link or give me any advice how to connect NRF51822 chip with NRF51DK? Here is my connection that doesnt work:

DK GND DETECT and GND together --- NRF 51822 CHIP GND

DK SWD CLK --- NRF ... (more)

Hi,

I'm looking for a BLE device to work with an arduino and to speak with a smartphone. The point is that the connection should be made by the user via the smartphone. This connection would be rare and ... (more)

Hi,

I tried to flash the mbed FOTA bootloader on my nRF51 DK. I copied the bin file to the bootloader device. It said the storage on the device is to small. Now it won't show up as a ... (more)

float f = 1.234; NRF_LOG_INFO("My float number" NRF_LOG_FLOAT_MARKER "\r\n", NRF_LOG_FLOAT(f)));

How to simplify this way to show float number by uart in sdk13.1. In sdk 10.0.0 ,i use app_trace_log to debug. And now ,it ... (more)

Hi,

I tried to flash the mbed FOTA bootloader on my nrf51 DK. I copied the bin file to the bootloader device. It said the storage on the device is to small. Now it won't show up as a ... (more)

Hello, i am working on a rotation counter, i am using adc and LPCOM with nrf52832 DK board. but LPCOM code is not working.

static void lpcomp_event_handler(nrf_lpcomp_event_t event)
{
    // Clear event
   if (event == NRF_LPCOMP_EVENT_CROSS)
    {

       rotation_int++;
    }


    // Toggle pin to indicate triggering ...

Hi,

I made a custom board with nrf51822 and custom antenna which works fine for examples which use SDK10 + SD110. For my application it was recommended to use SDK12.3 + SD130. I started develop FW on NRF51DK with SDK12.3 ... (more)

hello,

i am using the nrf52840 preview devkit and am currently trying to find a solution for timestamping / for a time-base. the idea was to use the RTC for that since it provides a pretty accurate time reference and i ... (more)

I have some improvement I would like to see in the stack. How can I get these implemented. Improvements include:

1. Allow advertisement reporting events during connect scanning. Currently when a connect is in progress advertising packets are received and processed ...

I am following the Thingy:52 "Compiling With Keil" instructions provided in the following link.

https://nordicsemiconductor.github.io...

However, I get the following error. How do I correct this error? Thanks in advance for your help.

*** Using Compiler 'V5 ...

Hello,

Ported my FreeRTOS application on NRF52 from SDK 12.2.0 to SDK 13.0.0 .My application is using freertos apptimer for timestamping and waking up of device which was working without any issues on SDK 12.2 ... (more)

Hi. Great that you have added logging capability to the PPK desktop app. This was exactly what I needed.

I noticed one minor issue with the logging: When starting logging, it asks for a file to save the log to ... (more)

I have 2 questions regarding BLE5 on nRF52832 Which Soft device and SDK has to be used to implement BLE 5 on nRF52832? We will be using the nRf52 DK for same. Is the provision of BLE 5 on mRF52832 ... (more)

Hi,

I found a suspicious line of code.

SDK: nRF5 SDK 13.1.0 (7ca7556)

File: peer_data_storage.c

Function: pds_peer_data_read

At line number: 415

    if ((*p_buf_len) <= data_len_bytes)
    {
        memcpy(p_data->p_all_data, rec_flash.p_data, data_len_bytes);
    }

According to the comment above: "...check that ... (more)

Hi,

I am using timer interrupt in my code. In that I will be generating interrupt after certain time interval, after the interrupt it should process the incoming data from the UART. For every interrupt ble_nus will send 20 bytes ... (more)

I am developing an application with a single service that has a single characteristic with read and write operations.

I want to give the ability to writing to this characteristic to only bonded devices and not just any connected device ... (more)

I'm using Nordic nRF5840 and I want to send the micro controller's temperature every 1 second via Bluetooth. Can you tell me how to implement it?

I found an example named Health Thermometer Service Sample Application. Does it ... (more)

Hi, I've read through partially of the "getting started" docs, and I'm still having questions about these issues:

• Will there be one dedicated provisioner interfacing with an external device (a desktop PC for example) with the rest of ...

I want to transfer sensor data to a raspberry pi using the in-built USB on nrf52840. The example codes have the following classes: CDC_ACM, Audio, HID and Mass storage. I want to transfer data around 200 KB/s. Which class ... (more)

Hi there,

I have nRF52840-Preview-DK eval board. I have downloaded the “SDK 13.1.0”. I was trying out the power management example under the folder “..\nRF5-SDK_copy\nRF5-SDK\examples\peripheral\pwr_mgmt\” on IAR. This example doesn’t work out of ... (more)