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 working on a project that need to communicate with other mcu by SPI, the communication is work, but I have question about the start and stop of communication.
...
Hi,
I just met some difficulties to implant more then one service into my project. The project was developed based on hid_keyboard.
The project can work normally when...
I am using 2 nrf52832 boards to talk to each other through UART. One is programmed to the central SDK example and other other is peripheral. In the code, i incorporated 2...
Hi, I got the issuse about the connection with nRF52810. I used nRF connect to connect the nRF52810 device via Android,but it isn't easy to connect successfully.The nRF log...
Hello,
I have a question about the nRF52840 device and the supporting documentation. I am trying to figure out the current ratings for the GPIO. On page 198 it states that...
Hello,
I have an issue with the function sd_flash_write which ends up in a hardfault when returning to the function calling it. I know there are many Q/A on hardfaults...
Hi,
I have some questions about UART:
Currently I am developing software on our PCB with nRF51822 chip. When I was implementing and testing software on the Development...
Hi,
I am a beginner to BLE. I am using the nRF52 DK and i want to try out the advertisement and connection features.
I basically want to know how to send out an advertisement...
HI
when I use nrfutil.exe to generate .zip file on win10 64bit, I got the UnicodeDecodeError.
And :
Python version 2.7.9 (default, Dec 10 2014, 12:28:03) [MSC v.1500...
In my current project, I am receiving multiple indications from peripheral device. After 25 indications, I need to pause the indications or disable the indications. I am using...
I have a question about "LE Secure Connections (LE Security Mode 1: Level 4)".
I recognize that it is impossible to realize "LE Security Mode 1: Level 4" when adopting ...
I want to realize "LE Security Mode 1: Level 4". However, there is no IO capability in both devices.
I tried the following. 1) Set the IO capability of both devices to ...
I have a question about "LE Secure Connections".
I recognize that "LE Secure Connections" includes the following security modes and levels:
・ LE Security Mode 1 Level...
I run eraseall but the following error shows up. how can I fix it?
nrfjprog -f nrf52 --eraseall --log ERROR: JLinkARM DLL reported an error. Try again. If error condition...
