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,
Using nRF9160 - NCS 3.1.0
I am trying to implement the AT%XBANDLOCK at command into my Firmware, and I am struggling to set it with the nrf_modem_at_cmd() function...
Hi
in my application, I need to reduce /disable RAM sections in nRF54L15 to save Idle RAM current. For Example, I need to retain only 64KB RAM when I am in idle.
how can...
Hello everyone, I have a firmware running on nRF9160 which was developed with nrf sdk v2.2.0, now I want to update it to use nrf sdk v3.1.1. I cannot build the firmware when...
Cause of the issue Earlier, when I were producing products ( around 600 units with 2025.9 ), about 30% of the chips had difficulty connecting. Later, it was found that the...
Hi,
I am implementing a custom bootloader on an nRF52840. The firmware update is downloaded while the main application is running. The flow is as follows:
The application...
Hello I'm working on a nRF9151 DK using nRF Connect plugin for VC.
I was able to program and run my without any problem... but then suddenly the flash process stopped to...
Hello.
I use the bare metal SDK and I would like to generate a GRTC interrupt every 250ms to wakeup my system.
Which resources does the zephyr is already using (GRTC_x_IRQn...
Hi,
I’m using an nRF52810 with nRF Connect SDK v2.5.1. I want to read the internal temperature sensor. I started from the LBS sample and added NSMS to report the temperature...
I'm working on the firmware for a custom board built around the nRF9151 SiP. The firmware is built against the nrf9151dk/nrf9151/ns board target included in zephyr, with an...
HI
I am using nRF54L15 PDK with NCS 3.0.0. In my code, I am using NVS to store data on the MX25R64 flash on the PDK. The initialization code is as follows:
struct flash_pages_info...
Hello, I am currently working on a PDM microphone project using nRF52840 and Zephyr RTOS. I've been testing the official Zephyr sample (located at dmicncs/v2.9.0/zephyr/samples...
I have three questions regarding the electrical parameters of the NRF9151 chip:
For a GPIO configured as output: What is the maximum source current per pin when driving...
