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...
1. I tested the following AT instruction on ncs v1.3, returned OK, but did not return the subscription message, need to modify where to return the subscription message did...
We are using I2C bus for communication with a RTC and Accelerometer. But sometimes the I2C get struck in i2c_write. It does not happens always it may happen randomly. We are...
Hi,
I just spent several hours trying to figure out why, using a nRF52 dev kit w/ SDK13 + S132 on both central/client and peripheral/server side, sd_ble_gattc_read() was...
Dear Support,
I have a question about the IPv6 networking with OpenThread. I do have an mesh network with about 50 nodes (PCA10059) and implemented CoAP servers and clients...
I just downloaded SEGGER Embedded Studio (ARM V4.52c) and plugged in my rather old PCA10040. It offered to upgrade the driver, which I accepted. Now, when I click "Connect...
Hi,
Just installed nRF Connect v3.4.1 on a macOS Catalina and get the following error message when starting any of the apps:
I've tried both reinstalling and downgrading...
Hi,
I'm making a peripheral device that needs to minimise battery usage.
My device is essentially a beacon but it allows temporary connections to send a stream of data...
Hello,
I have purchased a new nrf52832 DK board for development. I tried to run some examples like ble_app_blinky which are working properly. But when I tried examples such...
Dear All:
Our team are ready to develop a project with multicentral and multiperipheral
The project topology image lists as follow:
I want to ask how many ram it will...
I know this sounds a crazy question but is it possible to flash a custom nRF52832 board with the same firmware that is shipped with the dev kit and create a mass storage out...
Hello,
I am looking to run the ble_app_uart example from the SDK v17 in nRF only mode on the nRF52840 DK. When running the application as is on nRF only mode, it fails during...
I bought nRF51 dongle from mouser.com. I wanted to put nRF sniffer firmware on it using the guide on the web site. I tried using nRF connect programmer but it can not talk...
Dear all,
I've been struggling with SECUREAPPROTECT register in UICR Flash area on a nRF9160 DK.
I would like to restrict and protect Secure code loaded in Secure mapped...
Hi, we have a custom board using the nrf9160, running modem firmware 1.1, and using the nrf9160_gps driver.
Sometimes we see messages like this:
Tracking: 8 Using: 0...
