• What is the purpose of the resistor ladders in the SAADC?

    The documentation for the nRF52840's SAADC mention optional resistor ladders. What are they for? I see that the documentation specifies that the ladder's resistance is 160kΩ, and that it can be pulled up and down. Are these just pull-up/down resistors…
  • High current consumption in the Template Matter sample

    I have followed the guide Adding clusters to Matter application to add two TemperatureMeasurement clusters to the Template sample. I have flashed this onto an nRF52840-DK and hooked up a PPKII to the External Supply. I have switched SW6 to nRF ONLY…
  • LVGL sample failing to display properly on SHARP displayl

    Hello, I am using the nRF54L15 board, and trying to connect to the Adafruit SHARP 400x240 monochrome LCD display . I got the display driver alone to function just fine after a while, but when I attempted to implement LVGL in the project using the Zephyr…
  • MCUBoot DFU without device reboot

    Hi, I am trying to perform a DFU using SMP over BLE. My setup has NSIB and MCUBoot enabled and thus I am able to perform DFU for MCUboot and Application using nrf device manager app. I am currently trying to perform DFU for MCUBoot followed by Application…
  • Invalid links to ZBOSS API in Zigbee R23 Add-on v1.0.0

    Hi. I've noticed that the Zigbee Add-on R23 has just released version 1.0.0 and is not marked experimental anymore. This is great news. But I find that the references to the ZBOSS API documentation lead to non existing content. For example, page…
  • nRF5340 Audio DK and FTDI_SPI

    Hi there, on the nRF5340 Audio DK, there is a FT2232H, which provides FTDI_SPI + FTDI_SPI_SEL. How this can be used, is there any sample for this available? And how it is configured on the FTDI Chip?
  • nRF5340 & nPM1300 decoupling cap

    Hi I have some questions about nRF5340 & nPM1300 decoupling cap nRF5340 1.For pin A3/D2/H11/K1/L5/L11, ref. SCH is 1uF*1 and 0.1uF*5, could we only connect 1uF*1 and 0.1uF*2? 2.For consider all VDD pin(A3/D2/H11/K1/L5/L11/B7/B10/E11/B12), could…
  • Nrf Connect SDK (and Power Profiler) works then after a while stop recognize devices : need restart computer

    Hello everyone, I'm working on Nrf COnnect SDK with nrf52832DK. I also have a Power Profiler Kit that I use for different things. I'm on Windows 11 Home version 24H2 OS build 26100.4652. Randomly while I'm using the device kit or the power profiler…
  • Nrf52dk_nrf52832 SPI test with default PINs work but it doesn't with the ones from my design

    Hello everyone, I'm curretly working on a new design based on nrf52832, and I'm validating different interfaces. Currently working on SPI, I'm testing it with a W25Q64 Flash and the PCA10040DK (nrf52832DK) and the spi_flash sample on NRF Connect SDK…
  • Websockets over NB-IOT : No auto-started network interface

    Hi, I would like to test a websocket connection over NB-IOT with the nRF9151DK. I started with the websocket_client example but I have those warnings and errors at startup : [00:00:00.380,798] <dbg> net_tcp: net_tcp_init: (0x2000cf38): Workq started…
  • High power consumption on nRF52840DK running blinky sample

    I have flashed the Blinky sample onto an nRF52840DK. The power consumption is extremely high. I am using an PPKII to in source mode. It is connected to the External Supply. SW10 is Off and Power Source is set to VDD. USB is not connected. SB40 has…
  • nrf9151 will not allow programming

    I tried flashing my nrf9151 after running the set-up and loading the AT modem. I then tried to reflash the board but get an error. See below: 2025-07-10T12:53:00.281Z INFO Initialising the bundled nrfutil device 2025-07-10T12:53:00.290Z DEBUG Started…
  • send upd example - thingy91:x

    Hello, I have opened net/udp sample - https://github.com/nrfconnect/sdk-nrf/blob/main/samples/net/udp/src/main.c over here, to try to send UDP over LTE. Unfortunately, looking at the logs + onomondo sim logs, it does not even connect to LTE network…
  • Bluetooth LE Fundamentals Lesson 2 Exercise 3 bt_enable(NULL) failing on nrf5340dk, code -22

    Problem with exercise code in a developer academy fundamentals course. Exercise: Bluetooth LE Fundamentals Lesson 2 Exercise 3 SDK: v2.9.1 Board Target: nrf5340dk/nrf5340/cpuapp/ns Using the example solution files for main.c…
  • BLE Advertising on nRF54L15DK consuming more than Online Power Profiler suggests

    Hi, I was using the BLE online power profiler to determine possible power savings with the nRF54L15DK over the nRF52840 using the zephyr bluetooth broadcaster sample. The profiler suggests that when ble advertising at 0dBm every 1s, the total average…
  • Test

    Practice ticket
  • The need of having own company identification for mass production of BLE device

    Hi everyone, We're using the "Manufacturer Specific Data" field within its advertising packets to send the firmware version to a phone application. It requires the company_indentifier field and we're using (0x0059) from Nordic for that field in the…
  • looking for basic start up for NRF24L01

    Hi, i am looking for basic start up parameters for a 24L01. I do all my programm in assembler (sorry i am old). what i aim to do is simple TX-RX, like a small remote with 4 buttons to a simple receiver. no need to have extensive encryption, rolling…
  • Can we use NPM2100 for 2.4V rechargeable battery?

    we want to use NPM2100 with 2.4V rechargeable battery, burst 2.4V to 3.3V @150mA. there are a sepcial charger solution for the 2.4V rechargeable battery . Could Nordic check if NPM2100 can be used for the application? or any issue is there? Thanks…
  • nRF54L15 QSPI Maximum Speed

    For the nRF54L15 QSPI software peripheral, is there any guidance on the maximum achievable clock rate?
  • Try to build peripheral-uart example for nrf54L15-DK without west

    Hello at all, I try to compile the example peripheral_uart for the nrf54L15-DK. The goal is to compile without west. My directory structure: example3 +---boards +---build +---modules +---nrf +---nrfxlib +---src +---zephyr where I copied everything…
  • Found assembler: arm-zephyr-eabi-gcc.exe.

    toochain:3.0.2 sdk3.0.2 nrf connect Every time I build, it gets stuck here: Found assembler: C:/ncs/toolchains/0b393f9e1b/opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc.exe . Below is the complete log: _ptx/build_1/esb_ptx/zephyr/dts.cmake Parsing…
  • basic - how to run first app and get printk output

    Hello, I know it's a bit basic, but running through all the docs for thingy91:x I got a bit lost. https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/app_dev/device_guides/thingy91x/thingy91x_updating_fw_programmer.html I have set up VS Code, managed…
  • nRF54L15 DK - Program Successfully Flashed but Application Not Executing

    Hello, I am the hardware researcher currently evaluating this product. I am currently working with the nRF54L15 DK and have encountered an issue where my application appears to be successfully flashed onto the board, but it does not execute. There…
  • Channel Sounding with nRF54L15 – Poor Accuracy Compared to Nordic's Demo

    Hi Nordic team, I'm currently working on a real-time distance measurement project using channel sounding with the nRF54L15 DKs. I’ve been using the channel_sounding_ras_initiator and channel_sounding_ras_reflector samples from your official GitHub repository…
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