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 Nordic Team,
We are currently working with the nRF54LM20B device and would like to understand whether Bluetooth Channel Sounding is supported on this SoC.
Specifically...
Hi:
What is the maximum number of targets that a DFU distributor can support for simultaneous upgrade, and what is the upper limit? I haven't found any detailed explanation...
I'm trying to put my code on a RAM/ROM diet and cut out any extra cruft so it will fit in an nRF52832. It used to fit with older SDKs, but not with the newest (v3.2.3).
...
Hello,
I am measuring RSSI values with nrf_modem_dect_phy_rssi(...) from the DECT PHY firmware.
The nrf_modem_dect_phy_rssi_event refers to positive values being saturated...
Hello, I have a particularly weird problem that I can't figure out how to solve. I was using the 52833 DK for software development and the onboard leds were blinking perfectly...
Hi.
I'm fighting to get an i2c scanner (re)expose external devices' hex addresses on an Xiao nrf52840 board under VsCode nrfConnect (the basic board, not the Sense version...
Hi,
we are designing a custom board based on the nRF54L15 QFAA (QFN48) using a chip antenna with coplanar waveguide feed on a 4-layer PCB.
In the Nordic reference design...
Hello, We're improving a battery-powered (CR2032) sensor tag based on an NRF52833 with a 868 MHz transceiver. We want to use the nPM2100 PMIC and would like to optimize the...
Dear Nordic Team,
We are seeking assistance in resolving a significant power consumption gap observed in our nRF9151-based asset tracker. While our lab testing suggests...
Hi,
I am working on a sensor device that requires very accurate timing on the sensing and sensor signal algorithm side. This device needs a low latency and low jitter radio...
Hi,
I am working on a custom board based on the nRF5340 using Zephyr RTOS with external QSPI NOR flash.
I am facing an intermittent issue with the external flash.
Observed...
Hi nordic,
I am streaming live microphone PCM data over BLE. The microphone data is continuously captured and stored in a buffer. Whenever 12 KB of audio data is available...
I am PHD student in china and doing research about gait retraining. I am designing wearable sensor that monitoring gait and giving vibration feedback to retrain the gait and...
we would like to explore the Nordic nRF52 series of low powere BTLE on coincell souerce for a waist band to dectect gait and analyse a probable fall in advance and in addition...
Hi Nordic,
We are building a product in the field of Sports, specializing in running shoes. The concept is to correct running form via analyzing the foot strike of the user...