I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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,
I bought a NRF52840 USB Dongle for evaluation purpose (bigger project in mind).
I cannot even run the demo from NRF Connect (like BLE or RSSI viewer)!
On my...
I'm encountering issues while building my project with custom boards. Each board has a corresponding *_defconfig file with specific configuration options, and I also have...
Hi all，
Using the default sid_end_device demo without any modifications, using the default hello selection with nrf52840dk.
I downloaded the Alexa app, started Sidewalk...
Just for fun, I thought it'd be interesting to see how to implement a delay on the nrf52840 using the least possible power.
For any long period of time, you should use RTC...
Hi all,
I am trying to develop an application that frequently gets location info using gnss and also needs to work with battery.
In the Product Specification v2.2 I found...
I attempted to run the "peeral_hr" example under NCS2.4.0 and used nRF21540-EK to enhance the signal, but in reality, there was no significant change.
I attempted the following...
HI ,
I set PA / LNA in the following way. I found that when the device is connected, it will be disconnected and will no longer be connected. How to set PA / LNA correctly...
I'm doing some electrical investigation on my design, and I'm wondering when the SoftDevice turns on/off the external 32MHz crystal oscillator. Our application is a Bluetooth...
i have created my characteristics custom and advertised one characteristics but unable to find out how to assign the event handler for the characteristics. I will attach the...
When building ipc_radio under sysbuild, the order of the processing of the config files do not seem to allow me to override these values:
CONFIG_HEAP_MEM_POOL_SIZE=8192...
Description : I’m working on an nRF52 project where I need the SAADC to sample at a specified interval (5000 ms in this example) using a timer and PPI to trigger sampling...
What is the durability, or number of expected lifetime cycles, of the persistent edrx value storage on the nrf9160. We're in a situation where we may update the value somewhat...
I have a custom nRF9160 design with Zephyr based firmware having sporadic modem connection issues (ie. waiting to connect forever). When the modem hasn't connected for a while...
After setting the option I am unable to connect to the device anymore from the nRF Connect app (or others), even after removing that option again. The app connects, but then...
