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 trying to develop buttonless DFU and followed below guidelines and got to work all the way to step6. Thank you.
https://github.com/gamnes/nRF52832-buttonless...
I want to build my own board configuration:
The default configuration of the board is as follows: ncs?v1.2.0,zephyr?boards?arm?nrf9160_pca10090
How do I generate my own...
Hello
I'm using NRF connect the app to perform read and write on nrf52840 board SDK ver of 15.0.0.
I can perform the write and read operations using nrf connect app, and...
Hi
I'm working on a custom PCB based on nRF52840 soc and SDK version 16.0
currently I'm trying to interface my MCU with an external flash of model MT25QL01GBBB
my...
Hi,
I would like to interface ICM20948 with nrf52832 and communicate over TWI or SPI. That thing I don't understand is the logic voltage of the bus. In nrf52 specifications...
Hello,
I went through the instructions in the Getting Started Assistant to setup nRF Connect SDK for Linux but I am getting the following error when trying to build a project...
Hi,
I am programming nRF52840 dev kit (SDK16) as a peripheral with S140. Smartphone is central.
data needs to be transferred between both.
I need the dev kit to consume...
Hello, I’m using nRF52840 with SDK 16 and SD 7. My purpose is to save as much power is possible using high-frequency clock (32MHz) only during periodic duties and BLE activity...
What are best practices for updating an nRF52832 via UART from an nRF52840? There seem to be at least two problems to solve:
Transmitting the 832 image via BLE to the...
Hello,
I'm measuring the idle current using a PCA10040 DK, SDK v16.
Finding that the idle current is about 3uA (which I think is correct) after any debug operation like...
Our setup is using a NRF52832 with SDK15.0.0.
While working with a time sensitive external circuit where we both sample the state of the GPIO and enable LDETECT on it...
I have just received my nRF52 development board and I have tried to program one of the pre-bjui;t examples (Blinky). The USB drive on the board appears and if I drag the hex...
Hi,
I'm using an application with FreeRTOS , nRF52833, SDK 16.
When I'm trying to get it into low power (sleep mode) the system still consumes ~4mA
In vPortSuppressTicksAndSleep...
Hi,
I am starting with PPK. Tried some measurements on ble examples and looks like i am doing something wrong. I have aproximatelly 7mA during advertising. Am I doing something...
Hi,
i have load existing program to new nRF52 module. But it shows NRF_ERROR_NO_MEM.
Same old module doesn't show this error. i also reload the soft device. But no improvement...
