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...
I'm working with the nrf51-app-ble-lbs demo from github. I notice that when I'm using BLE scanning apps, the VS service UUID is long (128 bits), whereas if I'm looking at...
nRF24l01+ at a transmitter module one time successful transmission show & after 1 sec failed also . if any doing programming with atmega32 ,please send code for TX & RX ....
Hi
I am new to embedded programming and I noticed that nrf51822 is a good and complete choice to start with both wireless and 32 bit arm programming.
However, I am not sure...
Hi,
We are trying to add gatt characteristic, we have a reference code which is BLE based,
but other chipset and we are trying to port the code to Nordic 51822 chipset using...
hi,
is it only possible to go with the single profile on the client side like hrs experimental example, or we can implement a central which can connect upto 8 devices,...
Are there any nordic ICs that only have transmit capabilities? Would there be any power benefit to only supporting transmission if the application only needs to transmit ...
Hello,
can the radio notification and radio disable APIs be used to use the radio hardware from the application layer?
Background of my question is, that I have an application...
Dear All,
I just got my new nRF51822-mKit. And try complie mbed sample app and deploy to the mKit. It work fine.
But when i try nRF51 SDK sample with Keil 5, eg.:
...
Hi,
I am using central s120 with peripheral s110. The connection to the peripheral is depending on the name advertised by the peripheral.
When connection is done, the...
Hi,
Is it possible to use SPI master on nrf51822 in 9bit mode or shall I use bitbanging?
I have a slave (SSD1306) that accepts only 9bit words.
Thanks,
Sergey
I'm trying to DFU the softdevice (supplied 7.0 hex file) using bootloader example in SDK 6.0. I wrote my own OSX application to do that by parsing the hex file and sending...
i need to display my scanned response data in android application along with the device address.for displaying the device address getaddress()function is there in android...
Hello,
I am trying to ecrypt some data in order to send some data encrypted in the MINOR and MAJOR adverts of the device.
I used this code to ecrypt the data ( this is...
I added a way to go from a running application into DFU mode using a custom characteristic and GPRETEG. However, CoreBluetooth caches services and characteristics for each...
Hi all,
I'm designing my own breakout board for nrf51822 and want to use the mbed platform for it. I was able to make the board work with a very simple, blinking-LED program...
