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 am porting the eMD-6.12 firmware/library by Invensense for the part MPU9250 into the nRF52832. My toolchain is compiling through gcc allowing examples from SDK's to be quickly...
Hi,
We 're currently using an ARM SOM that will run Yocto Linux from NPX for our current project. We have the nrf52840 connect to this SOM via USB, and we want to be able...
I am using SDK V15 with an nRF52DK and Keil compiler.
I have difficulty finding an example to use a GPIO to drive a Piezo Buzzer. The requirement is very simple: use a GPIO...
Hello,
Is there anyone successful in communicating with an nRF52 based GATT server from a Windows 10 App? I’ve skimmed through the forum and do not come across any positive...
Hi,
I have an application that verifies a chunk of data and EdDSA Ed25519 signature against a remote public key.
The device application generates a random number, sends...
Hi,
I would like to add some custom sensor for Thingy:91 board. I notice that there are no GPIOs available to connect sensor to nRF9160 SiP? So do I need to connect the...
Hi,
Today I found I was unable to flash my nRF9160 DK. "west flash" fails with the error message "Installed nrfjprog is too old for the device. Please upgrade nrfjprog to...
I am trying to follow the section “Declaring custom cluster” ( https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.thread_zigbee.v3.0.0%2Fusing_zigbee__z_c_l...
I've tried for two days to log back into the cloud service and just get the spinning angles. I tried to create a new account and the same. I was able to change the password...
Hi all, I would like to implement a fault handler in our nRF9160 based system to handle hard faults/unhandled exceptions by resetting the system, but am having a hard time...
Dear Nordic team,
I have a running NRF52 with a firmware based on the freeRTOS demo. To this demo I added the PDM Support Module and the TWI Module.
As soon as both sensors...
We are trying to implement models inside the mesh. So we've started with a functional example of the generic on off and tried to update it according to our needs.
The custom...
Hi,
I have 3 devices that all act as broadcaster and observer they continuesly sending data to each other, now i want to establish a connection between one of those 3...
Hello,
I have 2 pieces of nRF52840 and I managed to connect each other. One is central, uploaded the code: 'nRF5_SDK_15.3.0_59ac345\examples\ble_central\ble_app_multilink_central...
