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 need to run the program continuously using timer ......and want to check the data every one minute how to do that
i have seen timer example .. i am confused...
I am using nRF 5 SDK v 14.2.0.
I'd like to change the tone of the buzzer, how can I do it?
I'd like to make the following three settings.
Treble (+ 1 kHz), normal (+0...
HW: nrf52840
SW: nRF5_SDK_15.2.0_9412b96
source code: blinky_rtc_freertos example
Q1:
I read freeRTOS xtaskcreate operation on the web, it seem that I just need to...
Hi,
I am using Segger IDE.
I encounter error undefined reference to `nrf_drv_rng_init' .
I have include the below header file;
#include "nrf_drv_rng.h"
I already...
Happened when I occasionally compare the NRF_TWIM_Type struct in nrf52.h with the TWI registers (table 127) in nRF52832 Product Specification v1.4, there are many differences...
Will there be an HTML version of the nrf52832 spec document?
I hope Nordic is not expecting me to manually browse through a 550 page pdf document. I regularly use the infocenter...
I'm having trouble implementing the workaround that was mentioned in the following previous post: https://devzone.nordicsemi.com/question/55937/nrf52-sending-an-octet/
...
Hey guys,
i am trying to add new firmware to a cheap fitness tracker I have. After I write the new firmware in the Nordic SDK, I think I save it as a hex file. I’m not sure...
Hey Guys, I am trying to calculate goodput and delivery rate using nrf52840 pdk devices in ble mesh. Does anyone had already tried it before and shed some lights on starting...
Hi!
I am planning to port SPI sending and receiving functions to the sample code of ble_app_uart of SDK 14.0.0.
The transplant was finish, but when I am debugging, if...
https://www.nordicsemi.com/eng/Products/Getting-started-with-the-nRF52840-Development-Kit
Hellosupport,
Just got my 52840-DK board (v. 1.0.0), got the pulsing LEDs...
Hi everyone, I'm having an issue with the power draw of my application (SDK 15.0.0, SD 132 v6, Sparkfun nRF52832 Breakout). The application does roughly the following: it...
HI all,
I'm trying to use the ble_nfc_pairing_reference example from SDK 15.0.0
I installed microECC and can now build the example using GCC on Windows.
A first...
Hello,
So i recently bought a PCB with a nRF51822 microcontroller and accelerometer. The accelerometer that is on the PCB is the lis2dh. Now I want to program the nrf51822...
