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...
Ok -
I've been through this a few times and read the forums, but the current build system is broken. I'm trying to compile (not even load the board at this point) the ble_hts...
Whichever input channel I select, I always get a value close to zero. Here is my test code using VDD as the input source:
In this case, RTT reports that the value...
More of a plea than a problem. When I migrate to a new version of the SDK I try to be very careful. So, I use sha256sum to check all similarly named files from one version...
Hi,
I am trying to read the SFDP (Serial Flash Discovery Parameter) register of a Micron NOR flash memory using nRF52840 QSPI peripheral. The read SFDP register op code...
Hello,
i work on nrf9160 dk
I would like to know if it is possible to use an AT firmware to be able to easily switch to LTE-M, NB-IOT, send sms, switch off the modem...
Hi.
I am using nRF52840 & SDK 15.0.0.
I set the advertising slow timeout to 14 min, But, the advertising stops at about 3 min.
The followings is summary of advertising...
Hi all,
I'm using nRF52 DK.
I'm developing a program based on 'ble_app_uart_c' example with custom UUID.
When I type command using UART, central device send signal to...
HI, I have following errors while building a project in segger embedded studio:
1. 'TIMER1_INSTANCE_INDEX' undeclared here (not in a function)
2. 'TIMER2_INSTANCE_INDEX...
Hi,
Trying to compile one of the examples provided in the nRFgo SDK 2.3.0.10040 I get an error in the linker (error L204) Invalid Keyword. It seems to refer to REMOVEUNUSED...
Hi, When installing the nRF Connect SDK by using GSA application on macOS 10.15.3, at step "Installing the toolchain" I get stucked to a verification failure for python3 dependencies...
Dear All,
I have a question abou basic of BLE technology.
I'm using nRF52832 for our project.
My question is about avoding packet collision.
Please confirm my understanding...
Hello, I'm trying to use the PDM in the nrf9160. I'm using SDK tag 1.2.n I added
#include <nrfx_pdm.h> at the top of my main.c file.
I put
CONFIG_NRFX_PDM=y
in the...
We seem to be seeing slowness in a bare metal implementation. We would like to confirm the nrf52832 CPU speed. How can this be confirmed from within the codebase and/or logger...
Hi All,
Does anyone know what the maximum altitude is available for the nRF9160 GPS?
I know some GPS devices stop working properly if above pre defined heights.
The...
I have a PCA10040 board and use the development soft of SEGGER Embedded Studio for ARM 4.50.
I ran the project \nRF5_SDK_15.3.0_59ac345\examples\ble_peripheral\ble_app_beacon...
