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...
Hi
I am using Segger Embedded Studio and SDK_v15.3.0. I have a C++ code that I wish to run on the board. It has a lot of printfs. I want to see the output of the print statements...
Hi,
I'm new to Nordic Semi chips (nrf52840) and need to use TWI as a master to connect to two sensors. But I'm a bit confused about the different drivers: TWI and TWIM....
Hello to all,
I have a problem related to the client side Global Attribute: I have implemented an "On / Off Switch" that presents the cluster On / Off (0x0006), client side...
Hello,
When we analyzing the traffic of our application (many thanks to the team developing the sniffer), we have several questions about sending write confirmation.
for...
We do have a product in which we program a bootloader on the target. It is remotely based on the ble_app_buttonless_dfu example. The bootloader is not actually used in the...
Hi I am building a software watchdog to monitor nrf52 peripheral states to have higher confidence for 10+ years battery lifetime. The idea is to check every few seconds if...
I am working with the S140 softdevice v6.1.0. The message sequence charts located on the Nordic infocenter are great help. Question: are they available in a printable form...
Hi,
Is there any editable software available that I can use to create a custom interface between my PC and my nrF58210 module. I have been successfully using the Nordic...
How to program flash with the output HEX file and SoftDevice file using NRF52-DK.
When programming with the output HEX file the device does not work, I need also HEX - SoftDevice...
I'm trying to set up a project with SDK 16.0.0 using FreeRTOS with the softdevice. The device will be battery powered and therefore power management capabilities are required...
Hi all,
I am trying to generally gain a better understanding of the GPIOTE module and how it can benefit myself in the project I am working on.
I am essentially attempting...
Hello
Does the nRF5280 include Schmitt-trigger inputs on the GPIO pins?
If yes, what are the voltage threasholds for the rising- / falling edges?
(Can't find anything...
Hi,
How does disconnect work in S112?
In the ble_template project, I did not find anything in DISCONNECT event.
static void ble_evt_handler(ble_evt_t const * p_ble_evt...
I have a nrf52833 pca10100 which can connect to nRF Connect Desktop to program fine. EVBW833 should have the same chip DK but it is not being recognized. Is there a way I...
Hi
On my custom board, I have an external flash connected via SPI. . The nrf runs on mfw 1.1.0.
Without activating the flash, I get an average current consumption of around...
