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...
I am trying to write to external flash memory using NRF52840. The flash uses spi protcol. My code is getting stuck in spi_xfer function. Error code is not in scope for the...
Hi,
I'm working with the ncs 1.7.0 peripheral_uart example and have observed faults when I send more than a few bytes at a time to the HW UART. (receive by HW UART for transmission...
Hi
I managed to get the eddystone example up and running on my custom board with NRF52832 (DCDC configuration). external HF, but no LF XTAL.
However, using SDK 17.0.2...
Hello! We are trying to sign our data using ECDSA ( developer.nordicsemi.com/.../README.html) so we are able to send to our blockchain all the information required. The problems...
We can see the traces through the power profiler in nRF connect. On what factors on time of one sample depends and how do these factors are related to the on time? Is there...
HI,
I want help to fix the nrf5340 Dk. I have worked fine with the DK for a long time. But, Suddenly I can't be able to connect the DK with my PC. I can able to connect...
hi, i am trying to use the async uart api on a nrf52840 for communicating to a quectel bg95 modem. no matter which timeout or buffer-size i am using, i am experiencing the...
I tried to use Power Profiler v3.4.3 on Debian bullseye and it didn't work. The profiler app found the device, connected and nothing happened, no controls appeared.
After...
Hi,
I have some trouble when I want to debug my code, I use GCC and I have this :
HardFault_Handler () at ../libs/nRF5_SDK/modules/nrfx/mdk/gcc_startup_nrf52820.S :302...
Hi:
i use nrf5340 dk;
I use Visual Studio Code IDE build zephyr\samples\bluetooth\peripheral_past simple ,but i build project in application core have a error occured;...
Hello,
I have the same issue as:
So I posted my question there but got no answer.
"it seem likes crash in "strlen()"function, and seem like "acess to illegal memory...
Hello
NCS1.9.99, nRF5340, VScode
uint8_t read[130]="";
i2c_burst_write(i2c_dev, 0x1b, 0x00, read, 128);
error:
Need to use concatenation buffer and provided...
Hi ,
I have some questions about duf Serial routine that I need your help with:
1. Can you explain the implementation process of " pb_decode,pb_encode " and the file structure...
Hello everyone,
I have a Bluetooth Mesh network of Friend nodes that communicate with eachother and allow message to pash through them.
Currently only a few need to...
Hi I am using the POWER PROFILR KIT to measure the current of the NRF5340. I combined them and set the power select and DUT select on DK and started measuring using the power...