Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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 have PCA10028 dk board. i want to flash code in this board using dfu. i have generated Zip file(both soft device and application(example ble_app_hrs example)) using...
I am using this DFU library github.com/.../IOS-DFU-Library . On iOS 10 while processing DFU I receive error RemoteInvalidState in didErrorOccur method with description "Device...
I want to know the maximum range for major and minor in Ibeacon frame, as it is of 2 byte can we set any values from 0 to 65535 or is there any limitation.
Hi everyone!
I'm using the nrf_soc API for get random numbers from the rng and erase and write the flash memory.
In my code, I include the nrf_soc.h file, in the header...
here I have a very strange problem. I m trying to send the data(1 byte) from slave to master,and I have to use the multilink demo because I will have 2 slave devices.
The...
Hello,
I tried to do DFU using MCP 3.10.0.14 and I'm getting the error:
"Error during firmware upload. Timeout while waiting for response for START DFU"
How do I increase...
I have secure dfu working on the pca 10040, and being able to download my own signed app.
However I want to turn NRF_LOG and at link time I get several messages of "._build...
Hi,
my application consists of long waiting time without connection (hours, possibly days, weeks), then a central connects and downloads data, and then again long waiting...
Hello all!
Sorry for what might seems an obvious question, my skills are what they are :-).
We have a small circuit based on nrf51822 chip.
Our software is currently...
Hello, I am new to embedded world.
I wanna know that how do i create a new template/blank for programming in uKeil?
Right now, i directly open an example from the SDK...
Hi there,
I am currently working on a project where I would need to use the Segger J-link needle programmer with 6 pin header. We have produced the board and after following...
Due to the PWM driver having intermittent issues we had to replace it with a TIMER/PPI/GPIOTE setup.
The PWM is working great in this way, but now I'd like to have one of...
Hi All,
i am using Stpm32 energy meter board.
i have gone through the data sheet completely.
i want to read and write the register values
i am trying to write 0xABCD...
Dear All,
we have been working on a very small PCB design using nRF52832. Some time ago, in another thread , I asked for an Eagle footprint for an antenna and got the quick...
compiling abc.c...
abc.c(26): error: #5: cannot open source input file "boards.h": No such file or directory
#include "boards.h"
abc.c: 0 warnings, 1 error
which file...
