Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi. I am currently having a nrf52840 custom board and tried to program the sniffer hex file. nRF programmer gave me couldNotOpenDevice (0x4) Lowlevel error: JLINKARM_DLL_ERROR...
Hi all, I have a problem. I'm using a mix of the nrf samples azure_fota and azure_iot_hub connecting to Azure, using certificates X.509. The problem is the expiration date...
Hello everyone.
I have a nRF52840 DK that I am working with.
1.) When I plug into the USB port J2 (MCU interface) I am able to connect to the board program/debug using...
I wrote some code that has multiple custom services where my device acts as GATT Server.
I register the handler for every service (3 in total) with NRF_SDH_BLE_OBSERVER...
Hi,
I am debgging QSPI( type name: IS25LQ040B) in nRF52833, I met " NRFX_ERROR_TIMEOUT ", Could you give me some advice, please?
// Set QSPI pins to pins related to...
Using this \nRF5_SDK_17.0.2_d674dde\examples\ble_peripheral\ble_app_blinky and nRF5_SDK_17.0.2_d674dde\examples\ble_central\ble_app_blinky_c
As described in \examples\ble_central...
Dear community,
I'm facing a problem during bluetooth scanning. I'm using the example named in the subject. This allows me to use the UART as debug printout.
I slightly...
Hi, I'm trying to upgrade nRF Connect SDK from 1.3.0-rc1 to 1.3.0 because I need one of the bugfixes to keep developing. I'm on macOS catalina and I've used the Toolchain...
Hi,
I am looking at and testing the ble_app_hrs_c_pca10040_s132 example.
When the whitelist ist set up with the "whitelist request" we execute the following two lines...
Hi,
I am developing an application that requires communication between two nrf52840-based devices. There is a scenario in my application where the devices needs to exchange...
Hi,
[179] RTC: COMPARE event is generated twice from a single RTC compare match
This anomaly applies to IC Rev. Revision 2, build codes CKAA-Dx0, QIAA-Dx0.
It was...
Hi everyone, I'm an intermediate level nRF Connect SDK IDE programmer, and I describe my issue below:
1.- In the link below I found an example of code for the analog port...
The SDK version is using version 17 and I am using NRF52832.
I checked the following scope waveform for the next SPI communication.
Question
I want to remove the...
nRF5_SDK_17.0.2_d674dde\examples\dfu\secure_bootloader\pca10056_ble\arm5_no_packs
Why the compiled hex file is different from before, and the code is not modified
