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!
My idea of sending a packet would be:
-regulary send a packet with fixed length (stated in static length field) to a base: i.e send the temperature =>4byte
-if...
Hi,
I use the nRF51822 on the PCA10001 and nRF6310/PCA10005 boards. I modified the radio_tx_example and wanted to read the actual state of the radio. Therefore I used a...
Hi
Could I modify HID report descriptor length over 255 bytes? In Desktop1.2.2.293, the returned descriptor size is only decided by wLength LSB byte and ignores MSB byte...
Hi,
I am trying to figure out how I can advertise with a custom UUID...
I know I have to start by adding a base address and then build on top of it. However, when I try...
I have a system that uses 5-byte addresses. The first 4 bytes are always the same, but the last byte has 4 different values. For test purpose I want to listen, from another...
Title says it all. My nordicsemi.com id/pw is not working here. (But it isn't working there either. I'm getting the following error, which I presume is some breakage in the...
I have a customer that wants to be able to have a single nRF51822 sends sensor information to two iphones at the same time. Is this possible? Can you pair a peripheral to...
Hello,
I have a question....
I have real ECG device and I almost got PCA10001 development board. Studying about PCA10001 I noticed that this board has ADC. I downloaded...
Hi,
It is not transparent to me, how can I determine this value? Is it a best practices value?
I want to implement Tx Power profile but I don't know where to get this...
Dear Nordic support team,
What is the maximum number of timers that I can create (and use) using the app_timer lib?
err_code = app_timer_create(&m_timer_m_1_0,
APP_TIMER_MODE_REPEATED...
I've recently started sharing development activities with another developer. I created a GIT from the folder: C:\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\ble\myProjectFolder...
I'm leveraging off the heart rate sensor example to create my own VS service. I've successfully registered a 128-bit UUID with the Soft Device which is enumerated along with...
