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...
Hii all,
I would like to create a project that take an input from any Bluetooth device and display it on display device like EPD. Till now I just hard coded the image and...
Hi all,
I have two NRF24LE1 devices, device_A for send data and device_B for receive data, the protocol data included in a 10-bytes length arrary(buffer).
In device_B...
I'm trying to understand whether my callback assigned to the data_handler variable during initialization of the Nordic UART Service gets executed in an interrupt or somewhere...
I know there have been a ton of topics about this but I've tried pretty much every solution I can think of and I cannot seem to figure out why my sleep current is consistently...
Hi,
I'm facing a very critical issue.
I need to send a time critical data from a ble sensor device to a Camera device acting as a ble central device.
Due to lack of full...
I want to send data without a computer from 3 ADC sensors.
using de ble uart.
How do I set my variable to send data?
I should use in ble_nus_string_send(&m_nus, data_array...
Hello, I am trying to follow the instruction for a 2way communication between nRF chip and the client device (cell phone). Although my chip is nRF51422/ PCA10028, I have found...
hi all:
Recently, I use nrf51822 as a central to connect some older sensor, but the ble chip of the older sensor did not use nordic, so I have this problem. I develop the...
I have the Heart Rate Service(HRS) program written in embedded c. I connected a two LEDs to nrf51822 board. One LED will start blinking when advertisement starts and other...
How do I write a value to gpregret when flashing the chip?
Basically, what I need to do is be able to detect the first time the chip is powered on so I can go into a special...
In my device I want to adjust the slave latency connection parameter, however my desired min-max connection parameters are the same as during the initial connection. I find...
I have an imuduino (arduino board with nrf8001 bluetooth and some sensors) board and am trying to load some of the profiles from the nordic arduino nrf8001 bluetooth api on...
Hello
I made the switch from SDK 6.0.0 to SDK 6.1.0 with SD7. At first we didn't get it to work. We would get the error NRF_ERROR_INVALID_PARAM on dm_init(). The problem...
