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...
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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 have a need to maintain current state of my device along with other parameters, including temperature and hours used. If I update my pstorage page frequently, like once...
Hello,
I'm working on S110 peripherial <-> S120 central project using GATT. I have succesfully implemented S110-based peripherial device with some custom characteristics...
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I am trying to create a simple data transfer system using a DFRobot Bluno (CC2540 chip) as the central device, and a Redbear Labs Blend (nRF8001 chip) as the peripheral...
Hello all,
In many thread I can read that it is not recommended to use the internal DC-DC converter to supply the nRF51822.
Can you tell me why it is better to use an...
Greetings all -
We have an nrf51-dongle for development and testing purposes, and are unable to connect to the device over USB with any of the Segger or Nordic tools. I...
Due to BLE's low range, license costs and unneeded complexity, I am looking in to pure radio RF. I am curious about ESB and Gazelle, and which one is good for relatively simple...
Testing OTA using nRF Toolbox on Android. Everything works fine, but for some reason the file selection is "stuck" in dropbox, i.e. I can not go up a level from dropbox, and...
my development environment is nRF-DK and IOT SDK
Q1 : IOT SDK Support Gatt Profile?
Q2 : IoT SDK Support DFU mode?
Q3 : in ipv6 coap server example, how i broadcast...
Hi!
I have custom board with nRF51822 and I need to communicate with serial flash W25X40 using SPI master example with SoftDevice enabled (S110 is used). I worked with...
Hello Everyone
i am using LINK LOSS service i would like to send notifcation to the peer device if the connection is lost and also if the connection is made between two...
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How to send large amount of data, using multiple characteristics? Assume that my data size 800 bytes and characteristics with notify property. I did splitting the data...
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I am looking for a way to send more than 20 bytes by using 'sd_ble_gatts_hvx' function.
I want to get the maximum debit that is in theory 6x20 bytes
Do I just...
Hello everyone,
I am doing a project in which a nRF58122 is getting data of an accelerometer and an ADC. Those can be set a really high frequencies. The problem is, when...
