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 will start doing a custom PCB (1.3cm diameter) with a nordic BLE, any recommendations about the components needed and design?. I need to use mbed programing tools, any experience...
Hi,
After training on a PCA10028, i want to develop on my personal board.
I use keil but i saw a problem.
The libraries are all in folders of folders in the sdk folder...
I don't know why I didn't notice this blurb in the reference manual sooner. In pretty much all peripheral sections (such as SPI), you have this warning:
Therefore, the...
When loading the ble_app_uart_s130_pca10028.hex file (Windows 10)
from nRF5_SDK_11.0.0_89a8197/examples/ble_peripheral/ble_app_uart/hex using nRFgo Studio - Program Application...
Hi,
I programmed the NRF51-dk to take ADC samples and transmit those values at 8 bit resolution. Now I want to send a 10 bit resolution value over BLE UART, but I believe...
Hi everyone,
In my low power application , I use PORT EVENT to detect the interrupts of my two pins.
when I use only one pin interrupt, it's working well .
But with two...
Dear All,
We are implementing 8 Pheripheral Nodes and one central node with S110 and S120 respectively.
We have our custom board with us we are able to connect the pheripheral...
Hi
I want to run RAM retention sample example with sd_app_evt_wait(void) .is it possible?
is it require soft device to load first?
I have included S110 soft device of...
Hello Nordic team,
are there documentation about the MTTF (Mean Time To Failure) Value of the NRF51822?
For more details please see the EN 13849-1. We need this information...
Hi
I want to operate nrf51 in various power modes available like low power mode, constant latency mode system idle mode and so on.my questions are as follows:
...
Hi,
I am using the following statements for send a string data over BLE.
static uint8_t Name3[BLE_NUS_MAX_DATA_LEN]= "xxxxxxxx";
err_code = ble_nus_string_send(&m_nus...
Hi.
I have interesting UART problem in Ubuntu. The multilink example only outputs one character at time, and line change doesn't change line. However if I flash another...
