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...
Hello everyone,
I am working with TWI and broadcasting of data using ble_app_beacon. I am facing a problem in broadcasting of the data. I have complied the code and it runs...
Hello, Nordic.
I use NRF51822. I know NRF52 series is able to NFC Tag with Antenna.
But I want to use NFC module with NRF51822. If I can modify NRF51822 circuit, is...
Hi DevZone,
I am doing my project base on SDK 14.2.0 example spi. I modified the PIN according to Arduino PIN map and connected the nRF52480 Preview DK with Arduino Uno...
Hi Everyone,
So I have a custom board with an LED on P0.9. I have confirmed it works by applying power to it, so no issue with the LED itself or the way it is connected...
Hi,
My problem that the RAM is insufficient for my project.
Please, I want to know how to set optimization configuration. By the way, my central device only connect our...
Hi,
I was trying some examples of the SDK 13 and 14 for keil but now I need to undestand how works the ble mesh.
I did the download of the SDK mesh, and there are only...
I am trying add the JSON library to light switch exemple (SDK Mesh).
First all I created a lib folder in the main folder of SDK (nrf5_SDK_for_Mesh_v1.0.0_src). Inside this...
I need to store as much data as possible in flash. And the free flash size varies from different version of the application software.
Is there a method to have the lowest...
Hello,
I'm wondering how long do I need to keep the data I want to send alive.
Here's the use case:
My data changed so I need to notify the central. Since the data changed...
I downloaded the Android App from https://github.com/NordicPlayground/Android-nRF-UART, and when I run it on my phone it does not see ANY bluetooth devices. However, when...
Given that mbed is based on RTX, has anyone used the nRF5 SDK with mbed or know if it would be an easy or seamless integration ?
Thanks for your help!
Mickael
I'm implementing Capacitive Touch sensor using comparator method.
The hardware configuration was followed exactly as described here .
The output differs depending on the...
Hi,
I tried to make a special application that includes 3 advertisements, (one with softdevice, and two others with timeslot), then i successed to
integrate all the three...
Hi There,
I'm a beginner with Nordic products and I'm taking over the nRF52840 Preview Development Kit.
My final goal is to supply with a solar cell my nRF52840 running...
