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...
Hello,
A question to understand please. A lot of issues still unfixed in rev 1, but are known for a long time (see errata docs). Like SPI with RX = 1, DCDC -4dB on RF,...
Hello, I try to run the sdk example for adc, i set an input voltage in varying from 0 to 4.38 V in the pin 4 (AIN2), but the returned value didn't corresponds to the desired...
It there a specification for current draw during POR? (From time Vdd starts rising until cpu starts executing?) For nRF51 and 52.
I found this devzone.nordicsemi.com/....
(Hello! I'm drawing the module circuit base on nrf52832 with rfx2401 power amplifier (PA). As I understand it needs to set pins TXEN, RXEN to high level to activate this PA...
It may sound a bit old and you may have fixed them in latest Soft Device stacks however I wanted to share with you a couple of pairing issues we encountered with Soft Device...
i am using nrf52832 and programmed it with eclipse by blinky example.. now i have to debug the project , but when i debug the project with the configuration given in tutorial...
Hi,
We are using a BL652 from Laird, embedding a nRF52832. We wanted to give Zephyr a try, but we are facing a problem.
We compiled the blink example, but when we flash...
Hello dear Nordic members,
I got a theoretical question: I want to connect two chips, one as central and the other as peripheral. Is it possible to stop advertising procedures...
I am using nrf51822 for a BLE project as peripheral role. I am using S110 soft device (SDK version 10).
I want to store bonding information, GATT data and all data storage...
Hi ,
I am working interfacing SD card with nrf52 using fatfs example given in SDK 12.0.0. While writing to text file created in root directory, code gets stopped as size...
Hi - I am designing some boards using the NRF52832 and would like to check a couple of things about footprint design. Unfortunately I don't have access to Altium, and am therefore...
Hello,
I did a code that does scatternets with nRF52 (in connected mode) but it's very dirty because i collected informations all over forum during months and project was...
Dear Nordic Support Team,
In a recent news received by email regarding a new version of "nRF5x Command line tools v9.2.1", it is written that Nordic does not recommend...
Hi everyone,
I am facing memory leak issues while using nrf52 iot SDK for MQTT. The application has a high RAM usage and I am running into memory leakage issue where program...
Hi,
I have downloaded the latest nrf52 v13 sdk.
And i am using nrf52840 PDK.
And i would like to use the beaco_n example.
But i am seeing that the ble_App_beacon folder...