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'm trying to advertise on the coded phy, but SDK 16 seems to have a block in place against doing this when you use S340. I can obviously edit this, but I don't normally edit...
After Installing JLink 6.62 it offered a firmware update for the connected JLink. I performed the update (Firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Jan 21 2020 17...
Hello,
I´m trying to connect the nRF9160-DK to the nRF cloud, using the asset tracker application. I was able to build and flash the application. But the DK can not connect...
Hello,
We are working through an issue which we found recently on the nrf sdk. The following is what is occuring:
We have two GPIO interrupts configured for low accuracy...
Hi... folks .. i am using nRF52840 development kit , i need to control the two servo motor using ble commands . I need to control the angle and speed of two motors , suggest...
Hello,
When I power our customer-designed nRF52832-based electronics I see the ingoing suply current (at 3.1V) rising in about 3 seconds up to 55 mA (!), then decreasing...
Hi, I have a problem with uart disable function (app_uart_close();). I started from ble_app_uart example, and I want to disable uart when nobody is connected to the Ble device...
Hi,
I have a similar problem to the case: ( devzone.nordicsemi.com/.../having-a-problem-with-preprocessor-options) with not being able to access the preprocessor options...
Hi,
As per the workaround of these errata its mentioned that "This code is already present in the latest sytem_nrf52.c file."
What does the latest mean here? Is there...
Hi,
I have two questions, one regarding nrfjprog and one regarding pynrfjprog:
How do I write content to a specific address of the flash using nrfjprog? Specifically...
I want to build custom commissioner app on nRF52840 DK. But when I'm running:
The error is OT_ERROR_ALREADY. I don't understand why, I am not invoking this method multiple...
I am using the nRF9160dk development board and I could not find a test or example for the internal RTC. could you provide a simple example of using the internal RTC.
Hy,
i get two warnings from my c++-compiler (arm-none-eabi-g++ (GNU Tools for Arm Embedded Processors 7-2017-q4-major) 7.2.1 20170904) if I use the header cmsis_gcc.h in...
