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...
It had been working fine until just this moment.
Every time i turn it on, it works fine for few seconds and then the red led in the device turns on. I don't understand the...
Hi,
I'm developing for a 52833 using SDK_17.0.0 and S113_7.0.1.
I'm using the following code with the intention that when the RDY pin goes low, it will wake up the processor...
Hi! I'm currently using the nrF52840 DK to send numbers by BLE. I have 2 questions for you. 1. Can I send negative values? ex. -1, -2, -3 2. Can I send decimal values? ex...
Hi Nordic Support
I have been working to port a blinky variant project and have found previous threads useful for guidance. I'm working with Segger Embedded Studio and have...
Hello,
Is there a way to multicast messages from BLE client to multiple servers? I know mesh does the same job but we are exploring a possibility to do the same using standard...
hi,I am working with nrf52832 board. I want to send the multiple beacon at a time(same instance).
can you please suggest me at a a time how many beacon we can send out(exact...
Let me first show what parameters I am choosing for calculating the data rates :
Conn interval is 7.5ms and connection length ext is off meaning it wont extend the connection...
Hello,
Application crashes at " nrf_sdh_enable_request ()" without returning any error code. Execution up to this seems fine and I get RTT debug prints. I have also tried...
In a timeslot-based multi-protocol application running on an nRF52832 with Softdevice S132 7.0.1, at seemingly random points and very rarely I observe the softevice calling...
There is an error in your documentation here:
https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.0/lib_bootloader_dfu_banks.html?cp=7_1_3_5_1_2_2#lib_bootloader_dfu_appdata...
Hi, I need to support both BLE update and serial update with sdk 17. Going through some past post, the idea is clear.
1) Start with DFU_BLE example project.
2) Add the...
From my understanding, notifications have guaranteed in-order delivery at the lower levels. I'm working on a small file transfer system out of an nrf52840, trying to decide...
Dear Sir/Madam,
As a BLE solution in our products one of the candidate ICs is NRF52820. Our current PCB is a 2 layer one. But the reference design for NRF52820 is 4 -layer...
I'm evaluating if it is possible to build my Bluetooth application using the nRF Connect SDK (v1.3.0) instead of the nRF5 SDK and not be worried about any certification issues...
The nRF Connect app on iOS is able to display "Appearance" information that displays known devices such as a Wearable or TV set. After some research, the Appearance value...
