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 need to add ARM_MATH_CM4 to my preprocessor definitions using Segger Embedded Studio.
I know this has been dealt with in "nRF52832: How to Include the "arm_math.h" library...
Hi there. I want to start first i am new to BLE Mesh. I have checked pretty much everything on the Bluetooth SIG and there are some questions. I have flashed the nRF52840...
Hi,
I got a working app, based on app_template with custom bluetooth services which transfer raw (simulated) data from nRF52840 DK to my Andoid App.
This app worked fine...
Hi, I am trying to use NFC initiated bluetooth pairing.
I am getting the following error while compiling the example code without any modification!
...nRF5SDK153059ac345...
Hi,
In our project we are using pairing and bonding process. We successfully integrated pairing and bonding process and its having some random behavior.
Random behavior...
Hi,
I am trying to customize the firmware update for my project, everything is fine when I do not define BLE_STACK_SUPPORT_REQD, but when I use this definition I always...
Dear Nordic,
I tested zigbee in nRF52840(just light switch example). I want to check the interoperability of our device
can you advice how i check the interoperability...
Hello,
The Nordic documentation is pretty thin on what I can expect out of this 8-bit storage area. Perhaps some specific questions are in order:
How is it implemented...
Is possible to wake up the device by RTC Event? For example, put device(battery powered) in deep sleep for some duration(disable all peripherals to increase battery life)...
Hey, I wonder if it’s possible to use the NFC-antenna on Thingy:52 to read data from external NFC-tags. I have looked at the nRF5 SDK v13.0.0 and I have only found NFC examples...
Hi,
I am trying to implement LESC Security Mode 1 Level 4 with a peripheral ble_app_hrs on PCA10040 and a central via pc-ble-driver example heart_rate_collector_v6 with...
Hey!
I have license in old version for V4.14, but i can't use it in the new V4.16. Plus coundn't find the Open nRF Connect SDK project under the file tools as in the old...
Hi,
I am working on a project where I need to create a ~23 kHz square wave signal with a 12-bit DAC ( AD5721 ). The communication works via SPI.
I got it working alright...
When I plug my PCA10031 dongle into a Windows PC, a Windows Explorer Jlink drive opens, then closes... then opens, then closes (repeat). This seems to go on "forever" (although...