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...
to me it made sense that EN_AA settings are controlling the receiving pipes if an ACK has to be sent back upon receiving a valid packet.
then i thought that the settings...
Hi! I'm working with an nRF52840 SOC using SDK 17 and Keil. When I try to allocate memory to a structure of size 8388 bytes, malloc always returns 0. I've set __HEAP_SIZE...
I am using the softdevice S132 with my nRF52832 and am running into a problem with a heart rate band by POLAR.
The Problem is that I get a disconnect from the HRS side ...
Hello,
I'm trying to configure a larger MTU because I need to read/write GATT characteristics with size 216. I've already tried setting CONFIG_BT_ATT_PREPARE_COUNT to allow...
Hi,
I seek help with a runtime issue, my application which locked randomly after some time, be able to catch the issue in the SEGGER debug session.
The application is...
Hello, please review my PCB design for the nrf52832 soc. I think I've included all the necessary files, but let me know if you need anything else or something in a different...
Hi, I used nRF52805 module BC805M on my customized board. I can only make the BLE connection for a few seconds or minutes. Then, the connection will be lost. Here are the...
Hello,
I am working NRF52833 Device. I'm new to this platform.
Whether i can read/write into the UARTnode with my own application without using any Nordic UART API's ...
Hello,
I am trying to run the littlefs example with no changes from Zephyr (NCS v1.5.0) on my nRF52840 DK but I keep getting this error "<err> fs: mount point already exists...
Hi, I try to use UART in the template_project. But if I try to use printf UART doesn't work. The project works fine in debug mode. How can i fix the issue?
Hello Everyone,
I am trying to bring-up the UART Application in NRF52833 Device.
I have downloaded "nRF5_SDK_17.0.2_d674dde" file.
Getting below error, while compiling...
I am trying to connect and read the data of the MIO Fuse heart rate band. It is designed as per the Bluetooth SIG specifications i.e heart rate service UUID is 180D and the...
Hi,
A project I'm working on can be seen as a collector of data from many different sources. To keep I an overview I've decided to use C++ objects rather than C (in other...
Hello,
I'm using nRF52833, s140, pca10100.
I looked at the code 'nrfx_saadc.c' to uninit SAADC.
The file contains two types of code, with or without the definition...
Hi,
One of our unit started to systematically report DNS_EAI_SYSTEM (-11) when calling getaddrinfo(). In a attempt to get more info about the error, I added errno to the...
Hi experts
I am trying to play a little with BLE HID keyboard example supplied by nordic
I see that there is an array of 5 characters "hello" + "enterkey press" which is...
