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 a question regarding power - up sequence of NRF52840.
When the USB is plugged in, the VBUS voltage is at 5V.
However, at the same instant, VDDH is...
I have a nRF52840 Dongle that connects to a USB port on my computer. I have a device that can connect to it via BT and the readings are logged through the Nordic utility app...
At edit a file compile Run DEBUG , But Program Usually lead to unexpectedly run this loop for a period of time,How can I look for the origins of this bug
Hi ,
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fgetting_started_softdevice.html
In this link it says "
Before you program...
Hi,
I had to modify the peripheral blinky example by adding UART module .The program compiles and builds but it is not advertising.I guess there is some problem with the...
Dear All
We implement a DFU over USB functionality to the custom board nrf52840 board by compiling via gcc. Somehow there is my understanding problem with the linker for...
Hi
I wanted to add NUS_C service to multilink central example. I have nRF52-DK (PCA10040) evaluation boards at central and peripheral side. It compiles without errors but...
Hi,
I'm trying out the "Android nRF beacon for Eddystone" app (installed from PlayStore) with the Eddystone Beacon Application example on a PCA10040.
First off, I have...
Hi,
I want to change the bit rate in Mesh light switch example for long range (as of now getting only 15mtrs), i found that there is a function for update phys, but while...
Dear all,
I'm using an nRF51822 chip for implementing a BLE HID device (SDK ver. 12.3.0, SD ver. s130_2.0.1)
Situation is the following:
1. I use peer manager for deal...
I've written a detailed description of how to program & debug the NRF52832 using open-source tools and the Nordic SDK.
See https://iosoft.blog/arm-gcc-lean-nordic-nrf52...
Hi all
I am working on Bluetooth application using NRF52840 kit. The application is very simple, the device would have about 7 push buttons which when pressed data will...
During testing of SDK for Mesh v3.2.0 I noticed that it's no longer possible to send a request and response using SAR where both models are on the same element. This was possible...
Dear All,
On the NRF52840 AD6 and AD4 are for USB D+ and D-, in the case I have no need to route USB signal can I use these 2 lines for General Purpose I/O especially high...
