To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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 Nordic Team,
Requirement-
Connect->Send 1 packet->Disconnect->Connect...
I am Sending a data packet to central using Timer handler and trying to disconnect using...
Good day.
I am trying to add flash storage functionality to a project based on the ANT asynchronous transmitter example and the ANT back ground channel example of the SDK...
I am using the nRF51822 QFAAH0 Chip and running it on 90 mAh battery. Currently I am using the AMS1117 3.3v LDO voltage regulator. It is running as iBeacon for 7 hours. I...
Hello Sir,
I am developing nRF9160 based smart tracking device for kids , and i am used only nrf9160 not used nrf52840. so my problem is that how to upload firmware direct...
Hi everyone, I'm a BLE / Nordic Semi beginner. I played around with different examples and most parts of my projects are working. But now I'm struggling with the peer-manager...
Hi,
I'm looking for a solution that will enable me to connect multiple NRF52 modules to AWS-IoT, via a single internet gateway.
The idea that every nrf52 module will have...
Hi,
We need to interface ASDA a2 delta AC servo motor with NRF52840 in our project.In this servo motor i need to get the position value and direction so i interfaced servo...
For the SPM example is there a way to create a DTS or overlay file for the SPM in a way that it does not require files to be added to or modified in the nrf or zephyr repositories...
Hello,
Is there any way i can transmit information from the bootloader to another application using a non volatile memory or non volatile register free for use.
I know...
A while back I was working on I2C and came across the compiler error " 'NRFX_TWI0_INST_IDX' undeclared ", which seemed to be related to NRF drivers vs NRFX drivers confusion...
Dear Nordic Support,
I am using nRF SDK for Mesh version 3.2.0 with nRF52840-DK. I am making 2 devices like the below:
1. First device: the provisioner, able to do PB...
hello, testing the spi examples of SDK16.0.0 I was trying to read a type k thermocouple with a max31856 on the nRF52840dk board, I made the connections of ss, sck, mosi, miso...
hey, i am strating with nrf52840 for thread.
i want to know if there is a need to add an antenna to the SoC? if not i can't visualize where is the antenna in the nrf52 DK...
Hi Nordic Team,
In my BLE project, the peripheral device has the ability to do both scanning and advertising. So please suggest a way of how the central device would know...
Hi all,
I have bought the NRF51822 evaluation kit ( NRF51822 ). I have some question about this.
1) Is it necessary to program the device?
2) what is the nominal operation...