• thingy 91x i2c bus faulting with multiple devices

    Hello Team, i am trying to read multiple mcp9600 on the nrf9151 on my thingy 91x. I connected 3 of the mcp9600 to my stemma QT connector and it all works fine. However, when i connect a fourth mcp9600 to my i2c bus, the signal on my SDA line completely…
  • Nordic Thingy91: nRF9160 AT Command %XBANDLOCK not working

    Hello, I am using Nordic Thingy91 5G board. My modem firmware version is 1.3.6. My nRF Connect for Desktop version is 5.2.0, which has a Serial Terminal version of 1.5.0. I am using VS Code for the source code and conf file. My nRF Connect SDK Toolchain…
  • Error in Cellular IoT Fundamentals Course Lesson 3 Exercise 1 - Project will not build. Solution provided includes CONFIG_POSIX_API=y in prj.conf which is not mentioned in the tutorial.

    I have followed the instructions in the DevAcademy Cellular IoT Fundamentals Lesson 3 Exercise 1 exactly, (whilist filling in the gaps from the cloned cell-fund repo) and I receive build errors after configuring the build configuration file and attempting…
  • How to close down nrf9161 so that it reconnects COAP quickly

    Hi, I wonder if anybody could help me? What is the best way to close down the nrf9161 so that it reconnects quickly after powering back up again? I'm running Zephyr 2.6 on a custom board we are developing. I've seen a lot of chatter about the modem…
  • setting the iface variable within secure_mqtt_sensor_actuator

    So, hello, hopefully I have done my diligence to be able to afford some help, thank you! Context: driving an ADIN1110 by Analog Devices with an nRF52840 usb dongle. Within VS code the application secure_mqtt_sensor_actuator has been copied a board overlay…
  • We got received same error on all of our devices which is, Failed to acquire location, error: -77

    Dear Nordic Team, Today, as of January 30, 2025, our devices started giving the same error and we are no longer able to receive any location data from nRF Cloud and even provisioning is not possible. We are waiting for your urgent support on this issue…
  • Issue while trying to build application for DFU bluetooth on nrf7002DK board

    Currently I'm working on a nrf7002DK board and I'm trying to deploy tflite example on the device with bluetooth DFU funtionality. But I got many errors on the way and frustated a bit, it would be really helpful if someone from the Nordic SDK team to help…
  • Signature Scheme Implementation for nrf52 series

    Dear customer support people, I'm trying to employ a particular signature scheme to benchmark it against other more traditional methods on your devices, specifically on a nrf52840DK. Specifically, the signature scheme is BBS, a relatively new method…
  • Azure IOT hub large Cloud 2 Device message

    Hello, At the moment I have a correctly working Azure IOT hub connection. DPS works, device twin configurations works and transmitting data to the hub is also no problem. We can also receive cloud 2 device (C2D) messages from the IOT hub. Now…
  • KNX IoT build from VS Code

    Hello. I have two nRF5340 DK boards that I want to use to replicate the demo on https://github.com/NordicPlayground/nrf-knx-iot . I am using Ubuntu 22.04. I cloned the repo and checked out 0.3.0 tag and did all the necessary updates from the documentation…
  • Whitelist of end devices using IEEE address in the coordinator

    SOC: NRF52840 SDK : NRF conenct SDK 9.11 Application Gateway we had end devices to join the network which is whitelisted in the coordinator ; so please can you let us know the way to do it ; we saw some API in zb_secur.h zb_secur_ke_whitelist_add…
  • Ubuntu: nRF Util's "Trace" command "Failed to decode modem trace: failed to fill whole buffer (error code 100)"

    I am using a LattePanda 3 Delta running an Ubuntu server OS (x86) headlessly. I am using a RS-232 cable to obtain the modem trace from my custom board, which uses an nRF9160. When I run nRF Connect for Desktop (with GUI) on my Windows machine, I am able…
  • nrf9160 Private LTE Support

    Hello, I am working with the nRF9160DK and the Thingy 91 to do some basic evaluation. I was wondering if these devices supported Private LTE connections. Thanks.
  • Transitioning from Arduino to nRF52840 for IoT Application Development

    Hello Nordic Community, I am currently working on a project that involves transitioning from a working Arduino application to a finished IoT application targeting Garmin-style devices to display acceleration and velocity data. I have some background…
  • https_client certificate change: "Certificate mismatch" error showing up

    Hello, I am currently working with the Nordic nRF9160DK and am using the https_client example from the examples in the nRF Connect via VS Code (on Windows OS), and as far as I know it is the latest release (v2.7.0). I have already successfully established…
  • https_client certificate change: "Certificate mismatch" error

    nRF Connect VS Code Extension (v2.7.0); Windows; nRF9160DK; https_client example application -----------------------------------------------------------------------------------------------------------------------------------------------------------…
  • Does it Possible to identify connected central devices type

    Hi , I am using nrf52840 as a peripheral HID Remote control with multi-connections, and it is able to connect with all devices like phones, computers, smart televisions , fire-sticks ,etc at same time. But i need to add different controls according…
  • NB-IOT not connecting on nrf9161 DK

    Hi, I have been having quite a lot of issues around connectivity and my device, all of which at this point has stemmed from MNO blocking activity from MVNO's ( here and here ). I have LTE-M working when in an areas which supports it, however, i cant…
  • Unknown symbol CONFIG_AWS_IOT_SEC_TAG (v2.5.1->v2.6.1) in proj.conf

    Hi, I had previously had a working project that was on the v2.5.1 toolchain sending mqtt messages up to my AWS IOT core. I then created a workspace in v2.6.1 and opened the AWS Iot sample. In the sample, I am no longer able to add CONFIG_AWS_IOT_SEC_TAG…
  • Problem implementing sleep mode, nrf_pwr_mgmt.h

    We are connecting nrf boards to solar charged batteries for power consumption. We will be remotely deploying the boards on field. The boards are connected to sensors, from which we will be recording data periodically. We are sending data through thread…
  • Help for MultiHopping router network for data transfer

    I want to implement a network of boards to be placed in a field. We have sender nodes(boards) which will collect data through saadc channels and transmit it to receiver node. We want to make a multihop network wherein in case a sender board disconnects…
  • Not able to find I2C address of sensirion SGP40 sensor with nrfSDK

    Hii, i used nrf5sdk and i am trying to scanning i2c address of Sensirion sgp40 Sensor but unable to sacn i2c address. I try SGP40 sensor with arduino code its work correctly and give me i2c address and VOC value. when i use latest nrfSDK its give…
  • Issue with IMU Sensor (LSM6DSV16X) Sample Rate in Sensor Hub Mode

    I am using an IMU sensor in sensor hub mode (LSM6DSV16X, LIS2MDL) with the FIFO interrupt interval set at 30 Hz. The data is sent over BLE. It works perfectly when using RTT, but when I disable debug mode, the sample rate drops to around 1 Hz. Could…
  • Using the Matter chip-tool to set the SSID and password during commissioning

    I am following this page regarding Matter commissioning using the CHIP-TOOL. I am using Ubuntu as the host for development and running the chip-tool. I want to commission a device using BLE and to tell it about the WI-Fi information. This particular…
  • v2.5.2: nRF9160 Azure IoTHub: Crash after TOPIC_TWIN_REPORTED

    CD Feather9160, Azure IoTHub using DPS. Last part of the console log: [00:00:06.667,419] <dbg> azure_iot_hub: azure_iot_hub_connect: User name buffer size is 160, actual user name size is: 132 [00:00:06.679,016] <inf> nrf_modem: getaddrinfo() fam: 0x0…
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