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 have an app that uses freeRTOS
My app runs OK , however when I am debugging it in segger studio with my SWD connector, it crashes with no reason
If I check the...
Hi,
Do you have a basic Android Studio App that can connect send and receive from an nrf52832 based board already programmed?
I know the protocol strings I need to send...
Hi I am porting my application from SDK12.3 to SDK15.3.
I am facing error during advertising. Below is the code snippet and error is invalid param (0x07).
For scan response...
Hello everyone. I am working on an RTLS application that uses BLE's RSSI measurement method (Using nRF52840 dongle) to locate a human. The system has 3 components:
Beacon...
Hello, It looks like if there is an issue with bootloader DFU. If no connection timeout is right. But if you starts a DFU late (near the end of the timeout), il will cut during...
I intend to check some of the NRF_SOC_EVTS in my application. Where should I register soc_evt_handler(uint32_t sys_evt, void * p_context) function? Will this function be called...
Hello Nordic, I would like to know if there is production timeline of the nRF52840 Chip , I know it is a new product, but can you tell me if there a plans how long this chip...
Hi!
I have SDK15 central (nRF52832) with previously bonded peripherial device also SDK15 (nRF52810).
All works. But sometime when power on on the peripherial device, connect...
Hello,
I am working on a custom PCB with nrf9160 capable of getting good signal (tested using 'at_client' sample) and all is well on the hardware.
I am currently working...
Hello,
I have this error and I have no idea whats going on:
No such file or directory: 'C:/nRFsdk/ncs/nrf/samples/nrf9160/at_client/build/zephyr/CMakeFiles/offsets.dir...
I want to know status of each node in Mesh network.
If anyone fails a device(say client) sends a message on uart that particular node(server) is not connected.
I recently migrated from SDK 14.2.0 to SDK 15.3.0 and just noticed that some but not all of my logging is broken. A logging macro call such as this:
NRF_LOG_DEBUG ( "Output...
We have an scaleable existing continuous integration system to test firmware for our nrf based designs on a Ubuntu 16.04 based development platform. We struggle with intermittency...
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf52840%2Facl.html&cp=3_0_0_5_2 states that " This register can only be written once." I am confused if this is "once...
We are developing a product using NRF52832+PN532 as an external NFC reader/writer over Bluethooth. We have tried the adafruit_tag_reader example on NRF52DK which works well...
