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...
I am using the Nordic 52840 CSP for my project. It is used for a asset tracking application. I used the nRF52840 QFN schematic reference for design. Since there is a difference...
Hello,
I am looking for the inband image frequency for the NRF51822. I have received a few different results and want to confirm what the value is if it is Low 1Mbps: +1...
Hello Nordic,
I have seen a couple of your reports and I am not sure how to read the inband image frequency. You have put frequencies in there (I thought values should be...
Hi
What is exact difference between following versions of nrf51822QFAC chip 1.nRF51822-QFAC-T 2.nRF51822-QFAC-R7 3.nRF51822-QFAC-R
I am searching for nrf51822-QFACAx chip...
Hello
I am trying to move an arduino project where I read an ADC value from a FSR sensor. In arduino the FSR is powered by 5V and has 10Kohm pulldown resistor. The board...
hi,everybody
I want to design a sniffer for 2.4G raw data，I have some problem below
1.How can I set the radio register to recieve all message on same frequency；
2.I...
I want to create a PCB circuit withe the nRF52810 Transceiver. If you do not understand what i have in mind:
http://si.farnell.com/nordic-semiconductor/nrf52810-qcaa-r7...
We are seeing a potential issue with a product. on start up a pin is read and the read value determines if we go in to a test mode. Pretty standard.
Our failure is during...
Hello
i just bought my DK-nrf52 to move to BLE after playing few months with arduino. I have connected various nrf52832 shields from China (from Holyiot 17095, which is...
Hello, I want to test Round trip delay using BLE MESH 2.0.1 Light Switch Example Code...I have modify simple on off Light Switch Example. Example test using two Development...
Scenario:
We have three verticals in our project. The nrf51822 based device, base station (BS) and server running on cloud.
Problem Statement:
I need to continuously...
I have downloaded "nrf5_SDK_for_Mesh_v2.0.0" yestoday, and try to setup the "light_switch" demo with 3 pic nRF52 DK.
According to the document description, “proxy_server...
Hello,
I have a query regarding the implementation of multiple user-specific GATT profiles in our application.
For example, can we add two profiles like Heart Rate Profile...
I am migrating from SDK v14.2.0 to v15.0.0 and from S132 to S112 (v6) using the NRF52810. I have mostly everything migrated, but a functionality that worked before does not...
