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,
I a\m looking for your recommendation on screen to use with nRFLM20DK board to experiment with LVGL display. Assuming that latest version of nRF Connect SDK has everything...
Hi,
I am using nRF5340 (CPUAPP) with MCUboot and Partition Manager (pm_static.yml, CONFIG_PARTITION_MANAGER_ENABLED=y ).
Build and flash are successful, but during debug...
Dear Technical Support Team,
I have recently been developing with the nRF54L15-DK development board, using the official channel_sounding/cs_test example provided by Nordic...
I am designing a battery system with can charge or supply power via a USB-C PD controller. It will operate up to 20V. I want the option to connect this USB-C D+/D- to the...
Hello, I was able to flash the firmware built using the samples provided by the "nrf connect sdk" using VScode. But, I see failure when I tried to program the nRF54L15 with...
We're dimensioning the pullup resistors for the lowest possible standby current in system-OFF, but we cannot find any leakage current spec in the nRF54LM20 PS / datasheet...
When the USB stack and your local Filesystem code both try to control the flash chip simultaneously, the system will crash or trigger a HardFault, causing the restart.
Dear Nordic,
I have a few questions I would like to ask.
1. I would like to inquire if there is an antenna pattern for the nRF54L15DK PCB.
I have already searched through...
I was trying to flash a program on nRF52833 development kit and got this error, it important to notice that my college was trying to flash (via VS code) it before and I am...
Hi,
I'm working with the nRF54LM20 DK (nRF54LM20A) and evaluating whether it can act as a USB host to read data from an external USB CDC ACM device.
The intended setup...
Hi
I remember the Devzonw could ask for hardware instructions. My matching circuir has used the nRF54L15 reference design and nRF21540 DK design, all the value is the same...
I used binwalk to analyze the zephyr.signed.encrypted.bin file generated by the routine mcuboot_with_encryption. I found that the firmware was not encrypted but merely compressed...
We have a peripheral device that maintains a PAwR sync (as a syncer/responder), connects to another peripheral in a central role, and also accepts connections from a central...
I tried writing read and write code for sEMMC based on information obtained from an AI assistant. The resulting code is shown below:
As you can see, the block address...