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,
I did some power measurement on the nrf52 DK with the Nordic profiler kit and the result was way more than what we could expect from a nrf52 (about 1 mA). Even in...
I am working on the ANT connectivity for a product we've developed, called RunScribe [a shoe-worn running sensor], and am seeing some issues on Fenix 5 watches with our ANT...
Hi,
I'm trying to implement run the ESB and the BLE concurently using the timeslot API.
I started from this example : devzone.nordicsemi.com/.../
The problem is this example...
Hi,
I'm quite a beginner to this whole nrf52832 world and I'm trying to read some data from a flex sensor wired in series with another resistor connected to VCC now I understand...
In brief our problem with rfx2411n is that rfx begins to draw 200ma current without any reason. Rfx is powered down, powered from 3,0v. And suddenly something happens and...
I have a device that runs with nRF51 chip with the NRF UART Service (NUS).
I have a Raspberry Pi 3 and I want them to communicate.
The device requires an authentication...
My question is related to peripheral device only. I have implemented an auto connection interval negotiation algorithm which works as expected and negotiates connection interval...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Hello sir,
I have completed PCB design of custom nRF52832 board. Can i use following component instead of recommended part No in reference design. I have also mentioned...
Hello ,
I would like to design a custom board with nrf52832 IC and CP2102 for communication with PC serially. Unfortunately nrf52832 doesnot have Rx/Tx pins for interfacing...
Hi community,
for our application (nrf52832 / SDK 12.2) we need to store data received via BLE. The received data is a 25 kB binary blob which by design will be chopped...
Hi,
i am checking NRF52840 for USB behaviour.
I'm using example usbd_cdc_acm.
But USB receiving stucks after few bytes (between 0 and 50) and does not receives nothing...
i have nrf52 dk i run simple examle saadc from sdk 12.1.
now i want to get result.
i can't understand the code.
i start putty terminal adc event number and app info number...
I'm having trouble adjusting ram start setting using the new SES projects from latest SDK14.1.0
I have tried the project linker section placement macros settings of
...
