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 have been modifying the examples ble_app_uart and ble_app_c_uart to include direction finding. I perform the connection via scan and advertising and then establish...
I am working through setting up device overlays and am struggling a bit. In some part because I can't find consistency in naming or location or anything. My goal is to set...
Hi,
I have used a Joulescope DC energy analyser to measure the current and power consumption of the nRF52833 DK. I took measurements to see how different TXP powers and...
Hello, I am working on direction finding connectionless locator/beacon (AoA). I ran into a problem in the locator. Everything works fine until "Waiting for periodic sync....
Hello Devzone,
I'm developing a Zigbee gateway using NRF52840 and ESP chip for wifi. NRF52840 it act as an coordinator.
I'm using nrf5_sdk_for_thread_and_zigbee_v4.2.0_af27f76...
Hello All,
I have a problem when I build my project from sample central_uart & peripheral_uart .
I have two nrf5340 called A and B . B scans the broadcast to A to establish...
Hi，
Application core can run serial port printing. then creat copy to net core ，Burn separately to the each core can work fine。Then I merged the two projects into one, and...
I have been attempting to install nRF Connect SDK on macOS for several months without complete success. You can check my prior tickets for details. Nonetheless, I have recently...
Hey!
My current setup is using an Android tablet ---- BLE ----> MCU1 (nrf52840) ---- BLE----> MCU2 (nrf52832)
I'm setting the MCU1 to act as both a peripheral and central...
Hello,
I'm trying to evaluate using the zephyr hci_usb sample as a temporary solution to connecting to several ble sensors. I have modified the prj.conf to allow multiple...
I used the nRF52840 SDK 15.3.0 dfu secure_bootloader uart example to develop a custom bootloader. I have checked that my application file is correct by trying it without the...
MCU: nRF52840
IDE: Keil uVision 5.17
SDK: 15.2.0
Board: Custom
OS: FreeRTOS
Using MicroLIB
Hello,
I am currently working on a FreeRTOS project that leverages...
Hi,
Based on the below extract:
"Because older devices that don’t support Bluetooth 5 will not be able to discover extended advertisements, an advertising set with legacy...
Hi, I am currently using the PPK2 for current measurements.
According to the datasheet, the PPK2 supports a maximum source voltage of 5 volts. However, my device requires...
Hello
we are certifiying our product by ISO 13849-1 which includes the Nordic nRF52832, among more information I would like to start with the following questions
1. where...
