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,
As I understand it, bluetooth declaration IDs can be used for multiple products as long as the products all share the same QDID . In other words, If you do it right...
I have been following the tutorial devzone.nordicsemi.com/.../ on how to use eclipse but in the makefile part im getting this error. I'm using sdk v11. I have used sdk v14...
hi,
i doing a program to receive multiple service data from nrf thingy 52 to nrf52840 central device.
as of now i have implemented weather service, motion service and...
I have been trying to integrate support for multiperipherals into my application, but am continuing to get errors when attempting to start advertising after the first connection...
As I don't know much about audio,I have trouble with the gain of the pdm module in nrf52832.Now
I have used MP45DT02 as the digital microphone,but I just can't understand...
Hi, I've searched and googled through this site and made sure no one asked this question before.
In core\Bearer_event.c, there is this function:
bearer_event_flag_t...
I'm trying to connect two nRF5 devices together, Central and Peripheral, and use a custom BLE service that I have written that has a custom 128 bit UUID.
I'm in the process...
Hi,
We are sending a data using Nordic UART Service (NUS), the data is transferred over BLE as a Indication.
From Message Sequence Chart in Nordic Infocenter
Here...
I am researching OTA procedures and I spent more than a few minutes wrestling with flashing soft devices and bootloader code to the nRF52_DK.
What I found is JLINK seems...
When adding extra buttons on breadboard for NRF52-DK do we need to use resistors OR i can directly connect one leg to GPIO pin i.e 30 and another to gnd.
I'm trying to use the nRF24LU1P as a standalone 8051 with the nRF24 radio inside. I provide 5v on the USB connection but no host connection. I am trying to operate in PRX...
Hello,
I'm using the nRF52840 development kit with the "« ble_app_att_mtu_throughput" example with version s140 6.0.0-6alpha.
What's the bitrate used in the long range...
I'm using nrf52832 in my peripheral device, I want to secure its connection via any authentication is there any method for that?, also I need to encrypt its data(characteristics...
Hello,
I'm working on a bootloader based on the examples in SDK 13.1. As we have expanded its functionality, I'm now wondering what happens when one of the steps in the...
Okay this got us going around in circles and it looks stupidly simple. It seems there is a knowledge gap since we saw many posts similar to ours but without clarity as of...
