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...
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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...
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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...
Our BLE DFU has stopped working in SDK 3 so I have tried to simplify it by going back to SDKs.
If I compile D:\NordicSemi\nRF5_SDK_for_Thread_and_Zigbee_2.0.0_29775ac\Examples...
Hi, I have a question about Bluetooth mesh secure provisioning, as it is described in the spec section 5.4.3.
The spec states that either
1) both OOB public key exchange...
We are looking to implement "dynamic" BLE services that can be configured (i.e. enabled/disabled) externally, however from the examples there appears to be no way of de-initialising...
Hi,
I have nRF9160 DK. I want to update firmware to (From Your WebSite: Link Pasted)
nRF9160 LTE-M/NB-IoT/GPS Modem firmware
https://www.nordicsemi.com/Products/Low...
Since nrfConnect Programmer, ninja flash/west flash ALL use nrfjprog behind the scenes, I wish I could find out _exactly_ which nrfjprog commands the nrfConnect Programmer...
Hi,
I'm trying to reduce the current consumption. I can't use sd_power_system_off because I don't want my device to rest when it wakes up. So the other way to do this is...
Can i commuicate over USB CDC on holyiot nrf52480 by giving Vbus(5v) , D+,D- , gnd from pc. and get output on VDD or do i have to also supply voltage on VDD(3V) ? I wanted...
Using nrfx_timer_extended_compare I would like to periodically adjust the compare value of a running timer. It seems to work without disabling the timer before this and re...
Hi，
Dear， I have a question about Fstorge and Bootloader. If my app layer calls the Fstorge API to store some data, will the data saved by the Fstorage API be erased when...
Hello All,
I am running into a mesh assert error when running the light switch server demo on a custom board w/ the NRF52840 (MDBT50-1M). The device starts up fine, has...
Hi all
I am studying mesh example such as light switch server, I use Segger Embedded Studio to comple the project of light switch, it is OK, but when I want to do online...
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I'm developing a BLE DFU controller with bluepy on a RPi3. The peripheral that is being updated is a nRF51 device on SDK 12.3.0, with the secure bootloader and experimental...
