I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I'm using Segger Embedded Studio 3.52, nRF SDK for Thread and Zigbee v3, nRF52840-Preview-DK
I have a Zigbee Coordinator and Zigbee Router that work great at my home office...
I can success transplant saadc and fatfs to my ble project.However, when there is a SD card, the slave can write data to SD card successfully, but disconnect with the master...
Hi engineers, I got a question regarding nRF52840 (PCA10056), i want to run DTM using PCA10056 board with MT8852B tester. Unfortunately, i keep failing to get the EUT address...
Dear all,
Our application is made of
Chip nRF518122 + SDK 11.0.0 + DFU Bootloader + BLE application (gcc complied) loaded with nRF Toolbox over the air
we are putting...
Hello,
the nRF9160 product specification 1.0 states in 5.1.4.2:
"Note: The LTE modem requires using LFXO as the LFCLK source."
I checked the clock register and noticed...
Hi,
I have developed an SWD working code which read-write the Flash Memory and RAM which is working very good.
Now I have a problem in I need to write start address...
Due to time pressure, I'm starting this thread based on an existing ticket: https://devzone.nordicsemi.com/f/nordic-q-a/51423/firmware-on-custom-board-application-bootloader...
Hi team,
We have a customer who has some questions about GPS.
The questions are:
Where do we save the Ephemeris data when GPS code start? RAM or flash?
When use...
Hi,
Can an nRF5x device be configured as a BLE relay with Bluetooth Mesh?
I believe with the Central-Peripheral-Relay example, the Relay needs to establish connection...
Hi. I am trying to create a dfu zip file that contains the softdevice, bootloader, and application. I am DFU upgrading an NRF52 device from SDK v13 to SDK v14 via Nordic's...
Hello,
we are using the nRF52840-DK.
File: secure_bootloader_ble_s140_pca10056.emProject
File: ble_app_buttonless_dfu_pca10056_s140.emProject
In short, we are...
Hi,
I have a well working cli environment under linux where i can compile, program and debug a nFR52 demo board.
I have installed RSSI Viewer (1.05) and Bluetooth Low...
We want to deactivate Mesh DFU packets relaying from the App side to avoid messing with the bootloader firmware. Is there any flag we may use for that?
Hi,
I'm trying to use a Bulk IN endpoint (EPIN3) and am running into an issue.
I call the nrf_drv_usbd_ep_is_busy() function to test whether it is safe to proceed with...
