I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
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I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
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I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
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I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
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I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
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...
hi,
i am working on example programs. i want to add dfu service to example hrs code.
added ble_dfu, bootloader_util_arm, dfu_app_handler.c files to example ble_hrs code...
Hi everybody
I run SDK v11 - ble_app_keyboard on nRF52-DK and wants to use UART to print log.
When I set NRF_LOG_USES_UART=1 & ENABLE_DEBUG_LOG_SUPPORT in Keil C's define...
Dear Nordic Team,
Thanks for Support.
I am worked DFU service in SDK11 it was working fine. Now i am DFU service work with SDK12 using nrf51422 DK. Initially update...
I am getting an error on a connection via the ble nus service that is causing me to scratch my head. If I suppress the error the connection seems fine and I don't notice any...