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 all,
I am working on a device (nrf51 and s110) which is going to communicate with multiple centrals (smart phones).
The device uses a whitelist to connect to only...
Hi,
I run a custom board with an nrf51822.
If I program the device in the IAR IDE everything works fine but I cannot program the generated hexfile with nRFgo Studio or...
Is it 'NRF_RADIO->TASKS_DISABLE' or 'NRF_RADIO->TASKS_DISABLE = 1'?
Restarting advertisements seems not to be affected and I guess 'cancels out' NRF_RADIO->TASKS_DISABLE...
Hi,
I'm trying to run the uart loopback example in the nrf52 0.9.1 SDK with DMA enabled but it is being caught in an error catch. It runs fine without DMA enabled though...
We have some NRF51-DK devices here.
Recently we upgraded our segger software to v5.00.
During programming using nrfjprog we got the question to upgrade the emulator firmware...
I am trying to write a simple advertisement application for my nRF51822 development board (for it to run on an S110), but the tutorial on the nordicsemi.com website, which...
we are making a pedometer. when you are connected, you get notification for every step you make (just an integer)
you just did 50 steps. you can see it in the app. now...
I'm trying to implement a wake-up button on central multilink example. I.e, i need to implement the app_button in order to wake up from sd_evt_wat() function. The problem...
Please can any one tell me from where I can get this programmer? Nordic have stopped selling development boards in which we can get the programmer. I think this could be a...
Hi all!!
sorry to trouble you with this but I work over it for the last 3 days and no breakthrough..
I am using a nRF51DK with the MBED program. I am trying to download...
We are a contract manufacturer. We are trying to help one of our customer's with their bare board design which uses your NRF24L01+ (NRF24L01P) that comes in a 20-pin 4x4mm...
Hi!
We are currently writing a simple bootloader which reads the new application image from a external SPI based flash memory. We are using the S110 SoftDevice, which works...
Hi All,
I have been developing a bluetooth chip based on nRF51822 QFAC. I have followed the design rules very closely but at the end I do not get any bluetooth signal coming...