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,
I'm facing some problems in the use of the Logger module when the option NRF_LOG_FILTERS_ENABLED is set in the sdk_config.h file.
I'm working with the nRF5 SDK for...
I'm trying to get LPCOMP working on Zephyr - from my research online I can see no information about this currently so I'd like to find out how to do this.
According to an...
Hi,
The documentation for the nRF52840 (section 6.20.15.9) states that RSSI has a typical accuracy of ±2 dBm. I have measured signal strength at multiple distances, and...
HI,ALL！
I use official routine development NRF51822，nRF51\nRF5_SDK_12.3.0_d7731ad\nRF5_SDK_12.3.0_d7731ad\examples\ble_central\experimental\ble_app_blinky_c\pca10028\s130...
Hi,
My problem is with generating interrupts in lsm6dso relative tilt mode.
I asked it in st community, but I didn´t get any answers.
I'm trying to implement a relative...
Hello,
I couldn't understand the predefined header files for the spi, so I'm building the spi code from scratch.
To build init_spi function, It's clearly mentioned in...
Hi,
We are currently trying to design a system using one of the nrf5 bluetooth chips. However, we are still in the process of designing a functional antenna and need to...
Hi, I am trying to implement an example that support multiple peripherals (HRS & UART). When I get a connection (from either) I get the BLE_GAP_EVT_CONNECTED. How can I differentiate...
What is exact difference between heartbeat and health models?
I know heartbeat can be used to detect node outage, but so can be health message?
So, which one should be...
When starting up the device with the nRF5 SDK 3.2.0 for mesh, even though the model and subscription list state is loaded from flash, it is stored again right afterwards....
To the kind attention of Nordic support team,
I was reading this blog https://www.ericsson.com/en/blog/2017/12/wake-up-radio--a-key-component-of-iot
May I ask if Nordic...
After Downgrade protection in the NRF9160 has been set with AT%XPRODDONE=1, switching it off with AT %XPRODDONE=0 returns ERROR. Is there a way to disable downgrade protection...
Hello DevZone,
Is there a way for hardware to update the timer capture register?
I want to create different frequencies using a single timer. Next to the timer, Bluetooth...
I am using Nordic proprietary RF receiver and transmitter. I want to display the received data on my serial terminal using UART pins (any 2 pins as Rx-Tx) .
When I tried...
