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...
Hello,
I'm trying to write BLE app that talks to Android phone. sometimes I need to set MTU more than 23 bytes so I decided to increase NRF_SDH_BLE_GATT_MAX_MTU_SIZE....
as already written in other threads (two years old) the DFU upload with nrfutil is extremely slow.
Transferring the same data from a smartphone (with BLE5) takes about...
Hi,
I want to measure the pulse length of sqauare wave (accuracy in ms) using PPI.
I have counted the number of pulses occurring in particular time period using PPI...
Hi
I am using nRF5340 PDK, but there seems to be something wrong with the configuration of my environment. Could you please help me see what is wrong.
thank you!
Hi,
I'm trying to program our custom development board which has an nRF5340 on it using the external JLINK on the nRF5340 dev kit. However, during a simple read of the...
I was working from the ANCS example and the way it stores the remote characteristics in flash. I expanded the example to add the time service, and was now storing additional...
Hello together,
from the 19th of Dezember 2019 Apple has put his HomeKit Protocol under Open Source ( https://github.com/apple/HomeKitADK ). My question is now, is it planned...
Hello guys,
we're trying to get the pc-ble-drivers-js running on a Raspberry Pi 4 with Rasbian. I know that there's no offical prebuild for ARM from Nordic but during searching...
Hi,
Update:
Module: nRF52832
SDK v 14.2, SD v5.0, windows platform
I am trying to write to save a value to UICR customer register. My routine for saving the value...
Hi,
I am trying to use bootloader and following https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/getting-started-with-nordics-secure-dfu-bootloader
In Step...
Hi,
We're currently developing a low-power framework for the nRF52840 and testing the application on a Dongle configuration. We have no problems when supplying the chip...
Hello,
This question is referring to the ability to obtain a rough location without using GPS based on the location of the LTE tower that you are connected to. The idea...
My apologies if this question is not appropriate to DevZone, but I am supposing there may be some relevance, and possibly someone with a similar problem. I have made a web...
