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 Nordic support team
- I am using "nRF5_SDK_17.0.2_d674dde" - Refer to "ble_app_hids_keyboard" example.
I want to ask about slow advertising time out. I want assign...
Under Ubuntu 20.04 the udp sample application that we have modified that builds with no problem under nRF Connect SDK v2.0.0 fails to build when when its directory is copied...
Hi all,
I want to evaluate the nordic ranging toolbox and compare it to a proprietary solution. First of all I set up the distance measuring example ( developer.nordicsemi...
Hello,
I have an existing application based on nRF52840 but it is using native zephyr and native MCUboot.
By 'native' i meant using the upstream versions of zephyr and...
In the Zephyr documentation, the explanation for NVS sector erase is a little ambiguous.
Elements, represented as id-data pairs, are stored in flash using a FIFO-managed...
Over the past 2 weeks the programmer fails to recognize my9160DK board. Instead, I see it listed as "J-Link" in the device list with a serial number underneath. The programmer...
Hello! I am discovering a new approach to nRF52 development. I used to be quite happy with SDK+Segger Embedded Studio. But as I understand it, this is an outdated method....
I can't figure out how to run sample code that uses the LTE-M modem.
I see nrfxlib has a modem library. But I don't know how to make a simple sample app that uses this...
Trying to build and flash the nRF5340 Audio application to my nRF5340 audio DK eval boards for eval purposes. Apparently this requires access to the LC3 repo so I am seeking...
Can you share the source impedance measurement for the nRF52840-CKAA? Is the T-network only for impedance matching? Do i need a filter for harmonics if I'm planning to transmit...
I'm using the pc-ble-driver-py: Standard Heart Rate example to read a characteristic just fine.
My issue is i now need to write a to a characteristic.
How would I do that...
Hi
I've recently been working on the ncp host example provided by nordic. after downloading the standalone version from the site, I tried programming the 2 nRF 52840 dk...
nRF SDK 17.1.0 with SD140 7.2.0
There is no example for how to use the sd_rand library. I've seen scant few posts that mention functions like sd_rand_application_bytes_available_get...
Hi I've just started developing with the nrf52840 and Ive been following the official documentation on how to use the programmer shipped with nRF Connect.
Unfortunately...
Hi,
In a custom nrf52840 board (DC/DC=on, LFCLK=RC, CONFIG_SERIAL=n), using ncs2.1.0, I measure through PPKII ~6.7uA in system_off mode, which is reasonable.
In system_on...
