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...
Hello,
We developed a system that consists of 1 central and 10 peripherals, all are based on nRF52840. Below is the configuration of the system:
Central: AWSFreeRTOS...
So I've been reading and re-reading all the guides and white papers for the last week, and I think I almost have my head wrapped around everything, but am struggling with...
I have a code build on top of nrfx 2.0 and after a few received bytes I get NRFX_ERROR_INTERNAL back from nrfx_uarte_rx call in blocking mode.
So I can process around 20...
Hello, I want to get information list about BLE GATT services and characteristics of a device.
I want to connect to a peripheral with a specific name, then get all metadata...
Hello,
I'm evaluating NRF Connect for potential use in a project and so far I've been quite unsuccessful. I'm using NRF Connect for Desktop v3.11.1 and my toolchain manager...
Hi,
I am trying to send GPS coordinates over HTTP, but get some problems when is comes to the use of lte_lc functions: lte_lc_init(), lte_lc_psm_reg(true), lte_lc_connect...
I am using the DK PCA10041 with SDK 17 and mesh SDK 5.0.0. I have run into an odd issue. I set up the dimming mesh example with a client and two servers and provisioned them...
Hello,
I have created a standalone application using the NCS nrf SDK and Zephyr. I do manage all my project dependencies using West. I have some questions related to the...
I referred to the following sample.
\ncs\v1.4.2\zephyr\samples\subsys\nvs\src\main.c
void main(void) { int rc = 0, cnt = 0, cnt_his = 0; char buf[16]; uint8_t key[8],...
good day, we plan to create a device which will send button status and the ble_blinky example seems to match our requirement. is it possible to add pairing/repairing option...
Hi
I have managed to get a SNTP client working. I want to update the date-time clock with the SNTP timestamp. From the SNTP client I get a sntp_time object:
While the...
Hi,
We are looking to purchase the nRF52833 DK. The data sheet says it supports an RX sensitivity of -95dBm. Does it not support up to -103dBm as quoted on the data sheet...
Hey,
I would like to know if its somehow possible to rebond if the central device (nrf52) has deleted the bonding information about a device and then this deleted peripheral...
I'm trying to implement a timer with 1ms resolution that my application can use externally using a callback function.
The idea is to
Implement the timer as a 32-bit...
