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...
Hi,
I am wondering how I would describe the capabilities of a device. Say, I were to develop a device that contains a light bulb and a fan. I could now use two elements...
Hi,
I am using Nrf Sdk Mesh V3.1.0 with softdeviceS132 and sdk board Nrf52832 and esp module
I want to implement Dfu process for my devices preset in mesh network and...
Hi everyone,
I am trying to include a header file into my project but the build solution fails with the error "No such file or directory"
I have placed my .c and .h file...
Hello,
From my software i get gps data and send to my webserver, periodically.
This works for some time then the system blocks! Nothing works anymore.
At first...
Dear team,
I have an understanding that BT Mesh is based on BT4.0 advertisement so even if we select a module with BLE5.0 the TX power will be less while using BT Mesh...
I am adding a new module with some new parameters that I export as service on BLE and I want to store in flash using FDS.
Starting from scratch, so installing the fw using...
Hi,
I am working with nrf52-ble-app-uart-relay example from Nordic Playground github. I use SES IDE & nRF5_SDK_16.0.0. There is BLE event forwarding in ble_evt_handler(...
I am using SDK 16 for nRF52840 with soft device S140.
1. I am interested in using mqtt over lwip on IPV4. Available example is for IPV6. though headers of IPv4 exist (\external...
Hi there, Please, if someone can help me (or let me know of other people answered questions), I have multiple questions regarding Nordic's SDK 16.0. My board is nRF DK for...
Due to the covid-19 virus, my school project changed a lot. The new project is the following: "Study the latency between sending and receiving data from a device generating...
Hi, regarding a nRF24LU1, we are developing a system composed by 4-5 sensors (eachone based on nRF24L01) that send acquired values to a single nRF24LU1 receiver connected...
Hello,
I am trying to drive a custom display with the QSPI driver on the NRF52840.
Is there a way to disable the memory addressing on the QSPI driver and just write out...
What's the recommended way to manage cloud credentials on the device? Right now we're storing hard-coded username/password for testing but obviously this is not acceptable...
Hi,
We have a stability issue with nRF52840 DK after it has been upgraded to JLink DLL version V6.60e and firmware OB-SAM3U128-V2-NordicSemi compiled Jan 7 2019 14:07:15...
I have been looking into using Bluetooth Low Energy 5 advertising features like periodic advertising and advertisement chaining, but have not been able to have any luck with...
