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 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...
While I was working with my dev kit this morning, the board has suddenly stopped responding to commands.
When I attempt to connect via jlink using Segger Embedded Studio...
This is definitely a stupid question but the uart ble example is littered with the likes of " NRF_LOG_INFO("Connected");". Where is this printed and how can I view it? I can...
Hi,
I'm using latest master branch of nRF Connect SDK and pre-released modem FW 1.1.2 which is including ANT->AUX switching. I'm developing a firmware for a custom board...
Hello,
is it possible to use use timeslot API on s140 while BLE is in "central" mode?
I was able to use timeslot API when BLE was running as peripheral. However, same...
Hi,
I need the bigger the size of bootloader. So I changed IROM1 0x78000 0x6000 to IROM1 0x77000 0x7000.But nrf_dfu_transports_init returned error code after I changed the...
Hello I would like to use the malloc function but the function send me all the time a null pointer... I have the same problem on all examples. In this case, I use the "ble_thread_dyn_template_pca10056_S140...
