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...
Currently I want to build the light_switch examples from the nrf5_SDK_for_Mesh_v4.2.0 on my nrf52840 dev board but this gives the following error "boards.h: No such file or...
Hi,
I am working on a project of throughput data from sensors to my central via nrf52805 through a notifying service (SDK16.0.0).
Symptom description
We have app from...
Hello,
I want to use I2C slave on nrf9160, but there is no I2C slave driver implementation.
So I read that instead of this, I can use nrfx twis drivers on nrf9160.
I...
What am I missing when
NRF_SPI_MNGR_DEF(my_spi_mgr, 2560, 0);
causes:
../../../../../../integration/nrfx/legacy/nrf_drv_spi.h:120:37: error: 'NRF_DRV_SPI_INSTANCE_0...
Hey all! I have been using your amazing app timer for a while now but I was wondering if there was a better way to create a low power delay than my current design which goes...
Hello,
My application is the ble_app_uart example of SDK 15.3 extended, and using S112. I'd like to use constant latency mode. Given the app uses S112 for BLE, should I...
Hello,
In demo code of Central_Uart code in nRF Connect SDK, when the scanning is started the scan address (MAC) keeps on changing everytime the code is run. (The central...
Hi, We have a product with nrf24L01p Gazell (LastChangedRevision: 133) that acts as a Host. At the moment I'm trying to pair with this host via a PCA10040 Devkit ( nRF52832...
After nrf52382 is written into the firmware program, the test runs OK. After it is placed for a period of time, it is checked again. It is found that it is not running. Use...
Hi all,
We are running into a problem with our battery powered nRF52.
The nRF is continuously powered by one lithium cell. When the battery is very deeply discharged ...
Hello,
In our current design, our boards use P0.18 connected to an external watchdog to reset the nRF52840. We configure PSETRESET[0]/[1] to be 0x12 (Connected/enabled on...
Hi,
I am using Zephyr to do some action in a main loop and ksleep for 30 seconds. While in ksleep(), I can see that the consumption is 20ua. The board is a very small simple...
I have a Fanstel Evaluation board which can be programmed through 52 DK board, no problem there and i also have built a custom board using the BM833AF modules based nRF52811...
