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...
I'm working with nRF52840 dongle, i installed nRF Connect for Desktop on windows but the led didn't start pulsing red. Has anyone else had an issue like this?
I am using SDK 16.0.0. I want to switch from a NON-CONNECTABLE, NON-SCANNABLE advertisement to a CONNECTABLE, SCANNABLE advertisement. I launch the first advertisement and...
Hello, I have a bit of a weird case. I'm sending data over Bluetooth. In the begging, I wrote whole data handling in the main.c main loop. everything worked nicely, so I have...
I'm developing uart program to communicate with arduino with nrf52840. And I'm working on s140 sdk.
First, I tried this code. It works, but first byte that send from arduino...
How can we get the timestamp using RTC(Real Time Clock). Do we need to add the external RTC for nordic thingy 52 board?
I am using the RSSI concept to calculate the distance...
Hello,
I have been trying to debug a curious behavior leading to higher energy consumption (~17mA) on my Sleepy End Device (Rx is off when idle).
I am using the nRF SDK...
I'm using nRF Connect v1.5.0 and Segger Embedded Studio (SES) to develop an application I'm testing on nRF5340-DK.
I want to create a "repeater" that has at least one...
When I use "Go" under debug, I get errors saying "No bootloader was found" and "ERROR 4 [NRF_ERROR_NO_MEM]".
However, when the same exact code is run on my friend's laptop...
Hi Nordic team,
I am having issues to connect to my Nordic device. The connection times out. By doing some research on the dev zone, it seems a known issue that could...
What is the fastest I can update information from the sensor to the nRF Cloud in terms of information every so many seconds?
This in reference to the asset_tracker file...
i have a custom NRF52832 board.
it have a 32mHz crystal but have not 32kHz crystal.
i use keil Uvision for programming, compile and burn the chip.
i use this example...
Hi,
I have been working with nrf5 sdk for my projects and now i am trying to port it into the nrfconnect sdk.
It looks a bit confusing and not able to find the proper...
I developed a custom pcb using the Raytac MDBT50Q-1M module. I tried to minimize the number of components added to the pcb by omitting the external 32K crystal oscillator...