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 am using Keil and trying to debug one of the examples in nrf_SDK_12.3.0 and half of the lines are not accessible in line by line debugging. Those lines where one can set...
HI!
I use flash data storage (fds) to store some user inputs in flash. Everything works fine, but I am surprised by the fact that the function fds_record_update() is not...
Hi All,
Using SDK15.3, NRF52840 USB Dongle.
After a few experiments I would like to clarify my understanding on how the usb bulk write works.
I am currently writting...
I am using Nordic Thingy 91 Kit.
I have uploaded modem and application firmware URL : Nordic Thingy:91 - Downloads - nordicsemi.com
I am facing following problem while...
The following issue is for NCS version 1.4.0 and 1.4.1 for an nRF52840 DK target.
When CONFIG_BT_AUTO_PHY_UPDATE =y for both a peripheral and central, I see in Wireshark...
Hi,
I am using the following snippet in my application. it is working fine sometimes but the other times it's not coming out of the while loop.
can anybody point out the...
I have been struggling to reduce the current on the Nordic Dongle to the sub 3 uA levels that the specs suggest I should be able to achieve.
I am stuck at achieving a 9...
i am trying to determine the current consumption of the nRF9160 when in sleep mode but running LPUART and TWIS.
I see that the Sleep mode (MCU IDLE, MODEM off, RTC on) shows...
Hi all, i want to use CMSIS DSP library for vector/matrix computation.
In NRF connect SDK, there is a "nRF CMSIS DSP examples solution" in the dashboard, however it fails...
Hello,
I have an external flash w25n01gv, I am using this simple spi loopback example to test the spi functionality of nrf9160. I want to read the jedec id of my device...
Does doing DFU again and again on same controller can cause misbehavior of code? I am using BLE + UART + EEPROM in my code and sometimes I face the issue with UART event handler...
Hi,
I'm using NRF52840 to connect my mobile.
I'm using whitelist, following the example. It used to work perfectly for about 1 year.
However - in the last couple...
After starting the program, I do the first calibration and read the data 30 times. The standard deviation is between 2.0 and 2.3. Perform 30 "Calibration -> Read Data" each...
Hi,
Greetings of the day!
I used nRF Connect for desktop to program the nRF52840 device. But I can't lock the program and protect the device using this utility. I installed...
Hi,
I tried controlling the LEDs connected to P0.0, P0.7 & P0.11 by using
nrf_gpio_cfg_output(); nrf_gpio_pin_set();
nrf_gpio_pin_clear();
& ble_app_blinky example...
