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 searched through the devzone but I cannot find a answer on this question but the question has been asked before.
Some background. I have a working solution from...
Hello,
I am working with nRF51822 DK. For the development of my system, I want more BLE devices. So I am planning to buy nRF51 dongle. But I need to know how many times I...
Hi, I'm using mbed version nrf51-dongle. ( developer.mbed.org/.../)
It made an error when count it to the OSX Yosemite, so I tried to fix this error.
...and I gave up...
Hi,
I am try to read and write sd/sdhc card with file system with nrf51822 controller for that i need sd card library for read and write.But i read and write raw data into...
I want to graduate from hacking my own data through the heart-rate-service (hrs). None of these seem to fulfill my requirements. Is there a document or template from which...
I want to process queued sensor data collected at a fixed interval (every 100ms) via TWI in the background/main loop. In the example ble_app_hrs , timer expiration callbacks...
I am planning on using the Nordic nRF51822-QFAB-T part. It appears a discrete balun is used for the QFN package on all of the reference designs. Is there a reason that the...
Hey,
I just got my PCA10028 board was trying different examples to see if everything is working before I start with my own application.
As my application will be using...
I've had no success in updating the application through the NRF TOOLBOX for my Smart Beacon. I was able to load
ble_app_hrs_s110_v6.0...
And that successfully worked...
I am using NRF51 DK and I would like to try using the custom service so I download the nrf51-ble-app-lbs from github.
github.com/.../nrf51-ble-app-lbs
It stated that...
Hi,
I'm using nRF51822 Development Kit and trying to program softdevice with nRFgo Studio. The file to program is C:/Program Files (x86)/Nordic Semiconductor/nRFgo Studio...
developer.nordicsemi.com/.../a00969.html
I'm trying to understand whether this can be called in a timer interrupt ( app_timer ) and how frequently. I seem to have a bug...
I have nRF51822(pca10005), Dongle(pca10000)
And DownLoad Keil, nRF Tools, nRF Studio, nRF SDK, Sniffer, wireshark.
I try to run the example
C:\Keil\ARM\Device...
