Hi
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...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
I created xml file for heartrate server using bluetooth developer studio and the plugin nRF8001_Arduino (plugin nordic semiconductor for arduino)
the generated xml file...
I read this older post ( devzone.nordicsemi.com/.../) and have a similar issue but with enough differences that I felt it was worth a new question.
I have an STM32 MCU...
I want to ask general question about antenna designing as I am designing antenna to be used with NRF52.
The picture attached with this message shows a printed antenna coil...
At the moment I'm sending a notificaties during the BLE_GAP_EVT_CONNECTED event. This sometimes results in various errors but I can take care of those. The issue I'm having...
GerberVINR-178.zip
SchematicVINR-178.pdf
Bottom layer
Top Layer
IC on the PCB is marked as follows: nrf51822 QFAAHO 1627WM.
I am able to program the custom...
Hello,
I want to create BLE connection between two different modules - nrf51822 and TI CC2564 (possibly Laird BT800). Is there any chance on using Gazell protocol on other...
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if I got it right, the Radio Timeslot API is not supported by the S140 softdevice. Is this right? Why is this and are there any plans to support the API in later versions...
HI, every one, I joined the watchdog program in application,i use sdk11.0, and i found the problem that when i download the program , the MDK compiler point out "error: flash...
Hi,
I am doing development on Android platform. I am using Marshmallow device to develop my BLE application. Many times I am getting status code 129 in onServicesDiscovered...
Hi, i'm working on a custom board with microswitch (Crouzet V4) in order to get the position of a moving part inside a machine. This switch is in pullup mode with a 100k resistor...
Hello,
I am using nrf51 and sdk12.2. I want to print data to terminal using printf function. So I added app_uart_fifo.c also I included paths. I did not get any errors from...
I'm using NRF51422, s130, SDK v12.
And I'm working on a project that can connect concurrent peripheral and Central.
In this continuious connect and disconnect sequences...
Hello,
I am using the bootloader_secure-Example on a custom-board and I want to configure a LED as status-indication.
Since I am on a custom-board I disabled the functions...
Hello!
I have to sample audio signal from a microphone (MAX 9814 adafruit) with the nrf52 board. I use the saadc and then I perform a FFT of the data using the sdk 13 examples...
Hello,
in my test I executed sd_mutex_acquire twice in sequence without releasing it. However, I did not get a "NRF_ERROR_SOC_MUTEX_ALREADY_TAKEN" on the second time. What...
