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,
We are developing a device which connect to a smart phone and alert the user through smartphone when the device disconnected (out-of-range).
So I guess this app...
Hi Dear, I Supposed to migrate form nRF51822 to nFR52833 chip in my board. so i found that there are 3 packages mentioned for the nRF52833 in this document: www.nordicsemi...
Hello, Nordic
I'm developing with nrf52840, s340, sdk 16.0.0, gcc-arm-none-eabi-7-2018-q2 in my customboard.
Currently, I'm using master of Ble and Ant.
It is possible...
I want to send packets of 16 bit data over SPI at regular periods from a buffer. I'd appreciate a bit of clarification how to use the SPI xfer function (I already have the...
I'm trying to use https POST to deliver data payloads to Azure.
We've done a proof of concept using POSTMAN, and we're certain we've got the right method, correct headers...
Hi,
Is there any way by which we can log on nordic device on what packets being sent out?
My intention is to log each advertisement and on which channel it is advertised...
Hi everyone,
I am looking at the SAADC driver and I am struggling to understand the purpose of the nrf_drv_saadc_buffer_convert(). I have read that this is a non-blocking...
Hi,
I want to maximize the indication data throughput and minimize the latency with 4 connected devices.
Setup:
I’m using a nrf52840 as a ble client (sdk 15.2) that...
Hello, I updated the SDK and related SoftDevice of a project based on nRF52832_xxAA
from: 14.2.0 nRF5 SDK - 5.0.0 SoftDevice S132 (compiled works with #define NRF_SDH_DISPATCH_MODEL...
Hallo,
i am currently working on my thesis and i need to build a broadcasting network, in which each node must be able to trasmit to all other nodes, and at the same time...
I am working on project which is based on nrf9160 Development board.
Where the clock is initialized in example code of thread or GPIO ? Which clock source is used by nrf9160...
Hoping this is a simple fix. I'm new to using GIT and I'd like to setup my nRF 5 SDK projects to work with GIT so I can backup and collaborate with others. I have a few nRF...
Hello
I am interfacing between a SPI Master (microcontroller) with a SPI Slave (nRF52832 based chip) and I get the following output on both ends. The transmission seems...
Hi,
I have run into an issue with nrf52840 on pca10056 v1.0.0 board. The softdevice is SD v6.1.0. It seems to be a hardfault which cause a reset when I tried to call sd_flash_write...
Hello,
I need to read resistive sensors values with SAADC. These sensors going throught multiplexer and amplifier. Infortunaly, the signal going into the SAADC is noisy...
