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:
nRF52840 UART peripheral receiver FIFO reset
Whenever there is a receiving error ( Frame error or Break error or any) , I would like to reset the receiver's FIFO...
I have an application that requires mains power for lighting with a BLE receiver that is permanently advertising and scanning and I need to be able to dim the lights. My circuit...
Hi
I am new to nordic processors.
I am using spi_ pca10040 project as a reference for my custom board. On my board the SPI pin configuration is different from pca10040...
I understand the reason for the polygon cutouts under component pads in the RF nets in nRF9160 DK design (and others). However, at LTE and GPS frequencies this doesn't seem...
Hello,
lately I've often noticed problems while reaching nordic devzone, the server is often very slow and will sometimes not respond at all. Is it just me here in germany...
Hello guys,
I programmed the gps sample on the nrf9160 DK, but I get:
I added a printk to see which of the at_cmmds were failing but I get inconsistent results. It used...
Hi,
Working with ads1220 which runs on SPI. There standard SPI pins - dout, din, sclk, drdy. In its datasheet there is written it is possible to merge dout with drdy to...
How to upload code to nrf52840 using arduino or usb2ttl as I have ms288fv2 help me guys or suggest me the board using which I can upload to code to nrf52840 if and ms88sf2...
Hello:
I'm testing nrf9160's A-GPS function, and I find that an error of SUPL will be reported at runtime:
I use master branch of the nrf repository(nrf/samples/nrf9160...
I have a Windows 10 laptop (Acer Swift SF 514-52T) where I have installed the setup for nRF9160 from "nRF Connect for Desktop".
All steps followed.
I got some issues...
I've got my application wrapped in mcuboot for HTTP-based firmware updates which is working fine. In the past couple days I've enabled CONFIG_NVS using the code in zephyr...
Hello all, This is my first post on your DevZone. Setup details: nRF9160 DK Board: 0.8.3 nRF Connect SDK tag: 1.2.0 OS: Windows 10 Pro LTE Network: NB-IoT on B3 and B20, Operator...
Hello, I'm using nRF52811 and It works with 1.8 voltage on it's VCCs. Is it possible to use a micro SD? Should I use a voltage level translator (for example TXB0108)? I know...
Hello all,
I try to import Keil project into Eclipse with Makefile. I managed put all my source file to be compiled, and my include paths etc.. in my Makefile
In Keil...
Hi,
I am working on one application in which I want to sample ECG at 1000 samples per second continuously and battery value at 15 seconds interval. I am configuring two...
