Hi, I'm using the nRF8001 in an application that requires security so bonds to the remote client/central. My device supports firmware upgrades that may involve new nRF8001...
Hello.
Initially when reading the Gazell documentation I didn't think it'd be a problem but now in Keil seeing this has introduced some doubt whether it's a thing:
...
We would like to be able to calibrate the rRF9E5 ADC
Our proposal is to permanently fit voltage dividers, each using two precision resistors, on two of the ADC Ports and...
At some point in the past I had nrf51+gdb+breakpoints working just fine. I even have a bunch of __BKPT() calls in my various error handlers to trap into the debugger.
At...
Hi,
I'm trying to program nRF51822 Beacon Kit using nRF51DK. I'm trying to load the example ble_app_beacon to the beacon kit. After uploading SoftDevice 7.1.0, I try to...
Hello
I'm using the nRF51 DK and I have a UART over BLE link set up between the board and a phone with the nRF UART app. I'm trying to get the board to execute a particular...
Hello there guys i been reading your 100 pg PDF for awhile now and im yet to understand or realize how is it that i add/place/create a payload or data to send/Tx via Master...
Hello,
I am working with the example "experimental ble app cgms" in SDK 13.0 and using nRF52832 DK.
when a connection was settup and pairing completed, the CGMS sensor...
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...
Hi,
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...
