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 would like to self-provision my smartphone. Do you know how can I do this?
Then, I read that a smartphone must connect to a proxy via GATT bearer (hence a connection)...
I am new to nRF SDK. I am starting development for my nrf52810 based board. I am using blinky example from nRF5 SDK. I am using nRF52 DK board to flash and debug my nRF52810...
In our setup we are sending one CoAP message every hour. The transmission is set to be done at hh:00. Downstream communication is only required as a response to the upstream...
Hi, My name is Philex Fan who is a researcher working in academia. I am working with a group of researcher to develop biomedical device that can get brainwave signals and...
Hi!
This tutorial is just for current > Measuring current . I want the same for latency with code.
I'm working with two nrf5340 for Bluetooth low energy and I want to...
Dear Community,
From a provisioner, I want to get the MAC address of a device (provisionee) during the provisioning process. Is there an example somewhere in the forum please...
Hello,
I am using nrf52805 processor, nrf sdk v16.0.0 and Segger embedded studio. My board communicates with a temperature sensor over I2C. The software is working without...
Hi all,
I am working on a ble5 beacon with ecdsa signature. I would like to use mobile to verify my message. As I see that the crypto ecdsa example use raw key and generate...
I have developed an APP using SDK 15 (both BL and APP) updating Bootloader and APP which is working fine.
I have developed same app using SDK 17.0.2 (both BL and APP)
...
Hi, I know this topic has been up in several posts before, usually ends with, buy a LitePoint or Anritsu.
Assuming you want to do a poor mans measurement setup, just relying...
Hello, I've been trying to get the nrfx_i2s driver working with Zephyr, on the cpuapp core of the nRF5340. After configuring the driver, setting CONFIG_NRFX_I2S in prj.conf...
I've been successfully creating custom services, but there is one case where a device has a service UUID and it's 2 characteristics have completely different UUIDs (all 128...
Hi,
How do I set ncs v1.5 to save the last open project path?
ncs v1.3 has the last open road
ncs v1.5 does not have a project path that was last opened
Here's the...
Hello, I have a question. In the HID_keyboard routine, I have already bound two phones.
Now I want to cancel the binding, and the function was called by key interrupt pm_peers_delete...
Hi,
I am new to the zigbee development and currently going through the documents.
My end goal is to develop a application that measures the level of a tank using radar...