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 transfer data by ESB between send and receive. And I want to transfer 2 bytes x 10 data that is received by ESB every T[s] to ESB receive (trigger) -> PPI->SPIM, 2 bytes...
I am trying to conduct a basic topology featuring two NRF52840 boards using the Thread Topology Monitor and a thread application using CLI. Once built and connected with J...
With the Bluetooth Low Energy v3.0.1 app within nRF Connect for Desktop, if I use either the nRF52833 or nRF52840 Dev Kit boards as the scanning device it is able to connect...
Hi,
We are using bl-653,
we wanted to enable UART-1, for bl-653 we wrote overlay & configurations mentioned below:
&uart1 { compatible = "nordic,nrf-uarte"; current...
Hi,
we are observing an interesting range of problems on nRF52840 devices we are assembling, where some percentage of them fail with the following error. While ti may be...
Hello, guys.
We are using nRF51822 SoC together with nRF5 v12.3.0 SDK.
According to the nRF51822 memory layout , half of the 256KB flash memory space is taken by the Softdevice...
Hi, I am developing a zigbee device on Nrf connect sdk 1.9.1 which has 9 endpoints, i am not able to create more than 8 endpoints perfectly.
i tried to change ZB_MAX_EP_NUMBER...
hai,
i am using nrf5340dk NCS (pca10095) v1.9.1 ( using visual studio code IDE )
i want to use nrf5340dk GPIO pins for NETWORK CORE use.
referred Nordic and zephyr website...
I added a new event module to asset_tracker application. The default LOG_DBG messages are very well shown in LTE, but that of my module don't appear in LTE. I replaced LOg_DBG...
I need help extending the LWM2M sample to use PSM to optimize the power consumption of LWM2M.
Scenario:
1. Enable PSM on the LWM2M sample.
2. Set the Lifetime of the...
Hi,
I got a product with nrf52832
i use one uart and i need to add another rs232 uart to it.
Since the NRF52832 has one only 1 harware uart i thought about implementing...
I'm developing a BLE device wich includes the USB Mass Storage feature with microSD card throught SPI.
My developmetn environment: - nRF52833 DK - nRF Connect SDK v1.9.1...
I'm working on the sample ncs\v1.9.1\zephyr\samples\subsys\usb\mass to create a device featured by USB Mass Storage with FLASH memory.
Since I found only old threads about...
We observe something that I can’t explain at the moment. Could you help to find the root of the issue, please? See below.
1. When the battery is connected first, and the...
The Mesh SDK timer_now() function is discontinuous once the overflow counter reaches 256 (and all subsequent times where m_ovfw_counter % 256 == 0). Since the local variable...
