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!
I have 3 NRF52840 Preview DK's with Q1AAAA revision ICs. I have been putting those to good use, but I want to test some stuff with SPIM at 32Mhz, which I understand...
Hi,
I am using nRF9160DK, nrf v0.4.0, zephyr v1.14.99-ncs1
I have been trying to measure the boot time from when I press the reset to when it gets to the start of the...
Dear All,
I am trying to enable brown out detection to my NRF9160. From what I see in the data-sheet there is a register that you can set the brownout threshold, but there...
Hi,
looking at the ifx_optiga_custom_example in the nRF5_SDK_15.3.0, i see that for the Hashing calculation the oberon backend is used instead the optiga backend, Why? Is...
Hi,
I see your web: https://www.nordicsemi.com/Software-and-Tools/Development-Tools/nRF-Sniffer#infotabs
There are 4 hardware (DK x 3, Dongle x 1) we can choose to used...
Hi,
I am using nRF52832 with sdk15.3 SES
I need to use DFU.
Buttonless DFU
need to program the controller without the wire connection.
Can you explain how DFU works...
Recently, we are using Nordic resources and developing our own application. We have blue tooth integrated in app, also we have display and our own file system integrated on...
Hi,
I'm working with nRF52840 DK and I want it to advertise iBeacon packets.
I tried the beacon example on ble_peripherals from nRF5_SDK_15.3.0 SDK.
1) nRF connect and...
Hello,
My project is on nrf51822 in which I am using BLE and UART interfaces.
There is single UART available on nRF51822 and I am using it for communication with an...
Hi I am using the custom_ble_service example from https://github.com/bjornspockeli/custom_ble_service_example/blob/master/main.c . The example code will turn a custom characteristic...
HERE is the fix for this problem. It has been reported before (by others) with no reply. I hope that this fix or its equivalent will be incorporated into the next SDK release...
I want to interface a 16MB external flash (SPI) with nrf52832 on the development board.Suggest me how should I start with and if there is an example for external flash then...
Hi Great Support Team:
In the spec of 52832, the rx sensitivity is -96dBm @ 1Mbps.
I'd like to know if the sensitivity is the same (-96dbm) while we adopt ANT+ protocol...
I am using the nrf52840 with freertos and bluetooth (based on the HRM example). Application is designed to sleep for a set period of time before the RTC timer wakes the MCU...