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'm trying to do the iot mqtt publisher example with the nRF5_SDK_15.3.0_59ac345, a nrf52840 and a Raspberry Pi 3 B+ as a gateway but I got some problems :
After the...
We have been testing the DK board and Thingy:91 and had a few questions on enabling PSM/queued mode.
We are able to enable queued mode for the lwm2m_client example on the...
Hi! Some prerequisite info:
We are using nrf52840 boards as our peripherals
We are using v16.0.0 SDK
We are using the s113 SoftDevice, more specifically s113_nrf52_7...
Hi!
I'm going over the nRF52820 chipset, and I'm not sure I completely understand the reference schematics in regards to the LC filters on the REG1 DCDC enabled option....
I am using "ble_app_hrs_rscs_relay" example and modified it a bit by adding NUS service and FDS. Everything is working fine with mobile app and nrf dongle. How ever when I...
Hello,
I am trying to setup my project's architecture and I am trying to take advantage of some of the awesome libraries in the SDK. I am a bit confused on the differences...
I ran into an issue using RTT on recent SDKs: In SDK15.3 and up RTT stopped working in Segger Embedded Studio. Here's what I found in case others are having the same issue...
Hi,
We are having single Main supply VDD to nRF9160 SoC, which is powering both CoreM33 and Modem.
So this indicates Modem will be always ON when Core M33 is ON.
Is...
Hi everyone,
Following some tutorials as well some examples provided by SDK16 I was able to create a custom service with a characteristic that has read,write and notify...
Hi All,
I am using NRF5 SDK 17, I have been playing with several examples and noticed that when it comes set up, a peripheral or a priority or clock source there will...
I started modifying the NRF Android Blinky example project to suits my needs (to control a servo motor). I observed there is a BIG delay between writings to a specific characteristic...
Hi guys,
Is it possible to read the data in Minicom if my device is not connected directly with my laptop. Instead of that, I connected my external voltage source to supply...
Hi, I am using the nrf mem_manager library for allocationg multiple dynamic memories in my code. I have done the following
All the devices are getting the allocation for...
