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...
Hello everyone. I am working on an RTLS application that uses BLE's RSSI measurement method (Using nRF52840 dongle) to locate a human. The system has 3 components:
Beacon...
Hello, It looks like if there is an issue with bootloader DFU. If no connection timeout is right. But if you starts a DFU late (near the end of the timeout), il will cut during...
I intend to check some of the NRF_SOC_EVTS in my application. Where should I register soc_evt_handler(uint32_t sys_evt, void * p_context) function? Will this function be called...
Hello Nordic, I would like to know if there is production timeline of the nRF52840 Chip , I know it is a new product, but can you tell me if there a plans how long this chip...
Hi!
I have SDK15 central (nRF52832) with previously bonded peripherial device also SDK15 (nRF52810).
All works. But sometime when power on on the peripherial device, connect...
Hello,
I am working on a custom PCB with nrf9160 capable of getting good signal (tested using 'at_client' sample) and all is well on the hardware.
I am currently working...
Hello,
I have this error and I have no idea whats going on:
No such file or directory: 'C:/nRFsdk/ncs/nrf/samples/nrf9160/at_client/build/zephyr/CMakeFiles/offsets.dir...
I want to know status of each node in Mesh network.
If anyone fails a device(say client) sends a message on uart that particular node(server) is not connected.
I recently migrated from SDK 14.2.0 to SDK 15.3.0 and just noticed that some but not all of my logging is broken. A logging macro call such as this:
NRF_LOG_DEBUG ( "Output...
We have an scaleable existing continuous integration system to test firmware for our nrf based designs on a Ubuntu 16.04 based development platform. We struggle with intermittency...
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf52840%2Facl.html&cp=3_0_0_5_2 states that " This register can only be written once." I am confused if this is "once...
We are developing a product using NRF52832+PN532 as an external NFC reader/writer over Bluethooth. We have tried the adafruit_tag_reader example on NRF52DK which works well...
Hey All,
I'm using the nrf52840 for gathering device information from Bluetooth devices having an nrf52 chip on board. The application runs through connect/disconnect...
PROBLEM:
My nRF24L01 transceiver occasionally stops working (about every 2 minutes) when receiving and transmitting data packets.
I found that when the power supply occasionally...
I'm looking at the secure boot in the sdk for nrf52840 and have noticed that nrf_bootloader_flash_protect uses the ACL to protect the MBR and the bootloader from being overwritten...
