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've been using PPK2 to test our work for maybe around 3 years. it's always been steady and stable and can run for several days without problem. Mostly I'm using the PPK2...
Hi,
I've just migrated my project from NCS 2.6.1 to 2.9.0 and I'm having some problems with the UART.
I'm using the nRF52833 DK to communicate with another device and...
Hi, I'm currently working on adding DFU over UART to my firmware running on an nRF52dk/nrf52832. To have a minimum viable example, I'm trying the DFU over UART exercise sadly...
Hi Support Team,
I met a conflict situation. Could you help give me some guidance?
The project is based on nrf5340 and ncs V2.5.2. The device supports BLE FOTA and works...
Hello,
We've recently updated our BLE-USB bootloader from using SDK v15.2.0 to v17.0.2 and noticed an issue. Our USB-BLE bootloader was created with the USB-serial bootloader...
After completing the OTA update, I executed the "otasoftwareupdaterequestor read-event version-applied" command but was unable to read back the version.
I then tried the...
I am trying to control ws2812 LED (1 LED) with NRF52840 using nrf connect SDK, I was able to control it with no problem when I set building optimization to debug optimization...
Hi，I would like to know how it works when reconnecting after a timeout disconnection，I didn‘t find the answer after reading Bluetooth 5.4 specification.
Hello,
I'd like to download the latest MDK for SES - links here appear to go nowhere: https://www.nordicsemi.com/Products/Development-tools/nRF-MDK/Get-Started?lang=en ...
I am migrating from a child_image type project to the newer sysbuild system used in ncs v2.9.0.
My application is based on the ncs nrf5340_audio application, but my application...
Hi everyone,
I'm using the nRF54L15-DK and trying to implement a simple low-power cycle where the board:
Measures sensor values
Sends them via CoAP over OpenThread...
Hi,
We developed a custom board based on the nRF54L15 SoC. We realized many current consumption tests with regulator configured in DC/DC mode. These measurements are in...
Our design has an nRF5340 with a 32 MHz high frequency crystal and an accurate 32 kHz external rail to rail clock chip (+/- 5 ppm @ 25 C). We would like to measure the actual...
I need both zephyr power device management and the low power features of LPUART in my project.
However, enabling PM_DEVICE raises idle current consumption by quite a bit...
