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...
BACKGROUND:
So I've got minimal experience with low-level development/low-level coding/digital hardware, being more of an antennas person before, but have been given a task...
Hi All.
I am using the nRF52840 development board, and can't get UART logging to work. I have checked all the settings in sdk_config with no joy.
I have hyperterminal...
Hi Nordic:
I'd like to ask a mesh specification question, there is some terms relative to retransmit: "4.2.2.6 publish retransmit count", "4.2.19.1 network transmit count...
Hi,
Development Environment : Windows 7 and keil MDK- ARM 5 and nRF81522 EVK
I want to know that which SDK version should I use and I am using Arm debugger programmer...
I would like to know if I can run Thread examples on nRF52840 USB dongle? Could someone provide instruction how to do this in a Windows environment?
Also, is there external...
Hello,
I'm trying to lower the power consumption in the s.c. "System ON" mode. I need to run in System ON mode to keep the RTC running. However I need to wake the CPU on...
hi ,
I use SR3 V1.2 to test. I enable ANR, play the recording directly in the loop.
About every five seconds, a second or so of unusual sound appears. The rest of the...
Hi,
I can't understand what is DFU example inside /examples/dfu folder and what is /bin/bootloader/? I read DFU quick start guide, but where is source code of bootloader...
I try debug my app in keil debugger but it's often raised app: SOFTDEVICE: ASSERTION FAILED in SEGGER after step down through the code (in few steps).
My app based on buttonless_dfu...
Hi,
I have a doubt regarding buffer setting in SPIS.
In the SDK15 SPIS example, buffers are set using nrfx_spis_buffers_set(...) and it works perfectly.
I was wondering...
Hi All,
I am using nrf mesh SDK v2.2.0 and nrf SDK v15.0.0.
I have created a new model in nrf mesh SDK, this model is publishing scanned data on group address.
When...
Hi,
I was working on the HID mouse example and noticed that the example gets disconnected from my mobile phone once i start moving the cursor.
I also noticed that the...
Hello,
I am performing current measurements on custom hardware with the nRF52840 and comparing my results with the values in the nRF52840 product specification. I noticed...
I have downloaded nrf5_SDK_for_Mesh_v2.1.1_src and tryign to build the client and server example to test the Lighting Mesh example from the Android/iOS apps available on the...
