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,
I'm evaluating NRF Connect for potential use in a project and so far I've been quite unsuccessful. I'm using NRF Connect for Desktop v3.11.1 and my toolchain manager...
Hi,
I am trying to send GPS coordinates over HTTP, but get some problems when is comes to the use of lte_lc functions: lte_lc_init(), lte_lc_psm_reg(true), lte_lc_connect...
I am using the DK PCA10041 with SDK 17 and mesh SDK 5.0.0. I have run into an odd issue. I set up the dimming mesh example with a client and two servers and provisioned them...
Hello,
I have created a standalone application using the NCS nrf SDK and Zephyr. I do manage all my project dependencies using West. I have some questions related to the...
I referred to the following sample.
\ncs\v1.4.2\zephyr\samples\subsys\nvs\src\main.c
void main(void) { int rc = 0, cnt = 0, cnt_his = 0; char buf[16]; uint8_t key[8],...
good day, we plan to create a device which will send button status and the ble_blinky example seems to match our requirement. is it possible to add pairing/repairing option...
Hi
I have managed to get a SNTP client working. I want to update the date-time clock with the SNTP timestamp. From the SNTP client I get a sntp_time object:
While the...
Hi,
We are looking to purchase the nRF52833 DK. The data sheet says it supports an RX sensitivity of -95dBm. Does it not support up to -103dBm as quoted on the data sheet...
Hey,
I would like to know if its somehow possible to rebond if the central device (nrf52) has deleted the bonding information about a device and then this deleted peripheral...
I'm trying to implement a timer with 1ms resolution that my application can use externally using a callback function.
The idea is to
Implement the timer as a 32-bit...
Hi all,
I need to upgrade an nRF52 device with SoftDevice 5.0.0 and bootloader.
I have to upgrade from SD 5.0.0 to 7.2.0.
I use this command to generate the zip file...
Dear all,
I have some problem with SPIs co-work.
I enabled two SPI instances in this project.
SPI Instance 1 function(non blocking mode - DMA enabled, 4Mbps): reading...
Hi there, Thanks in advance for your time and attention. We started to see some cases where our devices boots and gets a NO_PAGES error after having been turned off(or at...
I try to simulate system hang by adding while(1) after calling watch dog feeding function. But watchdog event handler _wdtEventHandler() isn't called.
int main(void) { ...
