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 have multiple devices that support Nordic DFU.
I want to update them using a Linux computer with a bluetooth dongle connected on it (and its not a Nordic Device...
Hi, There,
About the interrupt priority, can I understand it like this? "The two levels: NRF_MESH_IRQ_PRIORITY_LOWEST and NRF_MESH_IRQ_PRIORITY_THREAD have the same functions...
Hi Devzone,
I know that we can adjust "Advertising interval", "Tx power", "Tx payload" to do a power optimization when advertising. But I when I set " Advertising interval...
Hello,
I am trying to decrease the power consumption of my board (nRF52 DK) so that I can only see what's consumed in advertising beacon demo. When I measured the current...
Hi everyone,
I have a board based on thingy91. I have lis2dh and adxl372 sensors on it. They are both connected via SPI, and I've added this to my overlay file:
Also...
Hi,All:
I have finished continuous unmodulated carrier by SD fuctions as below.It is more efficent than DTM examples。But now,I don't know how to ctreat continuous modulated...
Hi,
I would to design a custom PCB with nRF52840 SOC.
I have two different power source:
1. 3V Lithium coin cell
2. 3.7V LiPO battery with charging circuitry
I will...
Hi,
I have a quetion,nRF5340 have two package, so have two diference RF circuit,as below picture,Why are the matching circuits different?
Package is QKAA aQFN94
...
Hello,
I am running ble_app_beacon on nRF52 DK. To check functionality, I try with all power sources in turn, i.e. USB cable, battery and external source. Today I realized...
Hi, I would like a more complete description of nrF52833-QIAA pins. I tried to find the specifications, but I did not find the information I wanted. I only saw some simple...
Hello,
When I use Debug, the program runs successfully. But when I try to connect with External Power Supply the program is not running, Also Reset is not wokring. Please...
Hi,
I want to measure RF conducted and receive sensitivity for nRF5340 DK, could you show the hardware connected blockgram?and please provide the RF test guideline to to...
I'm implementing a DFU controller for the secure DFU bootloader documented here . There is an edge-case I'm hitting that I'd like some clarification on.
As per the documentation...
ncs tag 1.6.1
Ubuntu 20.04
Hi
I am evaluating the Nordic nRF52840 using the Connect SDK. The nRF5 SDK has an example, ble_app_multiperipheral, showcasing a single peripheral...