Hello,
After I upload a new signed image to my device using MCUboot serial recovery (single image), MCUmgr Img_mgmt_client API
img_mgmt_client_state_read() always fails...
Hi Nordic team,
I am plan to design an IoT sensor that apply to Agriculture,
In case of 2 communications: Near field and far field, I will integration both BLE and Lora...
Hi
Are there any examples of a custom board for nRF54L15?
I have a project built/running on the nRF54L15 DK.
I now want to create a custom board for the nRF54L15.
...
Hello,
I am working with a custom board that has the nRF52840 (via the ISP1807-LR-RS module). This board has the SIT1552AI-JE-DCC-32.768E MEMS TCXO. This TCXO chip has a...
It would be extremely useful to get the HCI Traces (BLE) of my nRF54L15 boards. Documentations: Embedded HCI Tracing For simplicity's sake, here is my setup: - nRF54L15DK...
Hello there,
I'm designing a set of devices composed of a remote and 2 peripheral. The remote's job is to be connected to the 2 peripherals as a central and occasionnaly...
Hello, I’m testing a PID controller for a quadcopter. When I compile the application with the optimize for speed then flash, I notice that the PID response is slower than...
I have a PCA 10028.
This board uses Two microcomputers.
One is N51422.
Another is microcomputer on which the seal is put(Segger ID:).
What is the role of this microcomputer...
I recently discovered this article ( mbientlab.com/.../) and am trying to understand the data transfer type between the firmware ( ble_app_hrs_s110_pca10028 ) and an iOS device...
Hi,
Currently when I run the HRM demo I end up in the app error handler, unfortunately the error codes don't print to my terminal window. I'm using crossworks, and I was...
Hi,
I am new to using keil uvision. I am creating wearable solution, have enabled battery service indication, RTX support,bsp support, gpio,ble service.
When compiling...
Hello!
I would like to measure RSSI for different channels so as to decide which channel is the least noisy one (and more particularly, which ones are already used). I...
I am trying to choose a BLE device for my upcoming biomedical product design. Any help in comparing these 2 devices will be greatly appreciated.
Things I am concerned about...
Hi,
I am using the nRF51822 with an external chip. The nRF51822 has interrupts which trigger when one of the signals from the external chip goes low. When using BLE and...
My program does a lot of dynamic memory allocation and at some point "malloc" retruns NULL , which is cause the system running out of allocated heap memory (I am assuming...
Hi,
i am newbie to nrf51822 and want to know details of following stuffs:
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there...
Hi guys,
i asked a similar question [1] few days ago, but yesterday i stumbled over the "service_data" type when advertising packages.
I've written a custom service...
Is there a specific part code for the latest Rev 3 QFAC silicon for the nRF51822? We were trying to track down a source with stock of the latest chips, but most resellers...
I'm having trouble using the RTC1 COMPARE function to generate an event/interrupt when the processor has been put to sleep using sd_app_evt_wait().
My configuration is...
Is it possible to use the nRF51 dongle as a slave ?
I have a nRF51422 Eval board that I am planning to use as a central device. Can I use the nRF51 as a slave so that I...
Hello we have developed a few products which have required (costly) RF/RFPHY testing.
Is there a reference design that is qualified that can be used to avoid the RF/RFPHY...
Suppose a BLE central needs to get sensor data from 10 peripheral sensors. Given that there is a limit to the number of connections a BLE central can have, is it better for...
