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I have an issue with the Lightness setup server set cb being triggered without a connected device and is not internally called in my code. Yet for some reason the set cb is triggered every time my ...
Dries Vandenbussche's user avatar
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216 views

I am building a Zephyr application to run on an NRF52840. I am trying to derive a session key with the following function : int derive_session_key(const uint8_t *device_token_key, const uint8_t *...
Engineer999's user avatar
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When developing a Rust no_std bootloader for my micro:bit v2.21 (Cortex-M4, nRF52833), I have encountered a weird error. The bootloader jumps to the main application using cortex_m::asm::bootstrap(sp, ...
Pavel Lobodinský's user avatar
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122 views

I installed a BlueFruit on XIAO Sense nRF52840 to handle 16+ BLE devices. Bluefruit.begin(0, 8); Bluefruit.setTxPower(4); Bluefruit.setName("Bluefruit Scanner"); Bluefruit....
Jean-Philippe Encausse's user avatar
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112 views

I'm trying to use an ILI9341 display with nRF52840 in Zephyr (v4.1.99). The build fails with multiple errors about missing Devicetree properties when compiling display_ili9xxx.c: error: '...
kapili's user avatar
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48 views

I'm currently working on a custom board based on the nRF52840, using SoftDevice S140 v7.0.1 and nRF5 SDK v16.0.1. I’ve integrated the BLE Buttonless DFU example (examples/dfu/secure_bootloader/...
kasijadi_lightnium's user avatar
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58 views

I am new to OpenThread. I have set up a Raspberry Pi 3 as a border router and am using an Nrf52840 USB dongle as a radio to communicate with thread-end devices. I am using ESP32s as the end devices. ...
Rutvik Kulkarni's user avatar
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I have configured Nordic Semiconductor nRF52832 ble_app_uart_c example in Eclipse IDE, added all required header files paths to nRF5_SDK - no editor errors related to imported header files, also can ...
Ernestas Gruodis's user avatar
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I'm building firmware in SDK 2.6.2 with MCU Bootloader in order to be able to perform Bluetooth updates. In trying to sign the file, I ran into issues. I created a key using: py imgtool.py keygen -k ...
Robb Sadler's user avatar
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I’m trying to provision a Bluetooth Mesh device using BlueZ’s mesh-cfgclient tool on a Raspberry Pi. When I use the nRF Mesh mobile app, I can choose between “no OOB” (no out-of-band authentication) ...
skalazion's user avatar
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503 views

I used nRF52840 DK module with Zephyr with J-link programmer. The issue is the deep sleep does not work, and also not wake up using GPIO rising edge where interrupt is coming I see on data logger. ...
HARSH SHAH's user avatar
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Micro:bit can act as a Bluetooth Low Energy Peripheral (using SoftDevice S113). But the nRF51822 and nRF52833 SoC, which Micro:bits v1 and v2 are based on, should also support BLE Central role (using ...
niutech's user avatar
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The end goal is simple: use one arduino + nRF24L01 setup to remotely turn on an LED on another arduino + nRF24L01 setup. I'm stuck on the the transmitter side. The transmission keeps failing and I'm ...
Mike 's user avatar
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121 views

I am attempting to write a routine that monitors the heap in order to track down a memory leak. I've seen similar tools on other platforms and found them quite helpful. To make this even more ...
wdtj's user avatar
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459 views

I have two nrf52840 dongles and I want to get them to communicate with each other. It is worth noting I am very new to embedded programming, so be patient with me. So far I have gotten both the ...
Josh Sinrud's user avatar
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1 answer
101 views

I am new to embedded systems. I am trying to increase the number of ble peripheral links. static uint16_t m_connection_handle[NRF_SDH_BLE_PERIPHERAL_LINK_COUNT] = {BLE_CONN_HANDLE_INVALID}; static ...
newtotech's user avatar
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1 answer
2k views

I'm quite new to Zephyr RTOS and the nRF Connect SDK. What I want to know is if the kernel sleep routines k_sleep and k_msleep are both non-blocking. This post says: k_msleep (which uses k_sleep) is ...
First User's user avatar
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1 answer
141 views

I want to collect data from Movesense with an nRF52832 board through BLE. First, I tried to connect with Movesense device with nRF Connect mobile application, where I can see the Heart Rate Service, ...
dnats's user avatar
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1 answer
330 views

I am working on nrf52840 in which the BLE is not Advertising even after I am adding one parameter. I just want to add the parameters at the time of adding the 2 parameters. As you can see in picture ...
Shubh Patel's user avatar
  • 79
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1 answer
436 views

I'm trying to run the Echo Client and Echo Server example of Zephyr. I want to use nrf5284dk as server and nrf5284dongle as client (or vice versa). I should also mention that my OS is Windows 11. ...
yeetAE13's user avatar
  • 23
1 vote
1 answer
183 views

I'm working on a device (nrf52840) in my company that was developed but not till the end. The device is a peripheral that collects data and advertises its packets using BLE5. i want to make a device, ...
Raz Kimchi's user avatar
  • 11
1 vote
1 answer
229 views

I have a mobile app (Android/iOS) that acts as a BLE client and a BLE device as a server. The device does not have any display or keyboard. I want to connect to this device from the mobile app, make ...
Harald's user avatar
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1 answer
150 views

I make some project to using nRF52833 by CPP. I need to add NUS(Nordic Uart Service) in my project. But I have some problem. Nrf library NUS using ble_nus.c file. I try to build by CPP compiler but ...
Jaekwon.Kim's user avatar
  • 3
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1 answer
631 views

I've been struggling with a board issue for a week now. I'm using the nRF52835 with an external antenna. I'm trying to run an example after installing the nRF Connect SDK. I've loaded various ...
m3iz's user avatar
  • 13
1 vote
1 answer
643 views

I am trying to use nRF52DK as BLE GATT server and at the same time use interrupts to keep track of the current time in the device. Both work if only either ble or interrupts are enabled but at the ...
ussak's user avatar
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1 answer
567 views

For some reason this simple configuration of NRF52 sdk 15.3.0 doesn't work. I was trying to edit my code from gpio to gpiote and I cannot initialize even the event to recognize that the button has ...
Flavio Andrade's user avatar
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1 answer
181 views

I am working on a project using an nRF52 Series MCU, where I am aiming to produce a sinusoidal PWM wave with a total period of approximately 6 seconds using the nRF52 SDK v.15.3.0. I have initialized ...
Flavio Andrade's user avatar
  • 131
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0 answers
639 views

I hope I am just missing something simple here, but I have been banging my head on the desk for awhile trying to solve this very simple problem that I can't seem to find a solution for online. I have ...
MattG's user avatar
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0 answers
69 views

I m new to programing can you help me with a code for send/recive nfc data from a phone to an XIAO Seeed seens to PN532 shield and revers to show data in phone like an POS. Thanks for help me. I tried ...
Broski's user avatar
  • 1
1 vote
1 answer
318 views

I am facing difficulties while trying to communicate with a SEN0491 Laser Ranging Sensor from DFRobot (Product Page) via Modbus. I am using a Seeed Xiao nRF52840 for the task and the ModbusMaster ...
MattG's user avatar
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1 vote
0 answers
920 views

Using this example of the pylink git repo, I am able to send commands to my Nordic Board and control it over the RTT. Now, I derived my own little python script from this example, where I want to send ...
ilja's user avatar
  • 163
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1 answer
764 views

Is it possible to update the firmware from an STM32 device to NRF device over BLE? What is a step-by-step approach to achieve this? The update procedure includes: Prepare the firmware update, transfer ...
leo's user avatar
  • 29
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0 answers
266 views

I am attempting to launch a debug session in vs code in wpl2 on a nrf52 platform. I get the pyocd-gdbserver exited with code 1. Normally I just use segger jlink gdb server in windows. I am new to ...
embdev's user avatar
  • 1
2 votes
2 answers
985 views

I have recently picked up NRF52DK development board with NRF52832 https://www.nordicsemi.com/Products/Development-hardware/nrf52-dk I have setup my development environment using VSCode NRF Connect ...
TheBestPlayer's user avatar
  • 436
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1 answer
1k views

I simply want to convert a float to string. Normally this is done using C++ standard library with the command to_string(float). However when I program this on my MCU nrf52840 I got garbage. This is ...
Yann's user avatar
  • 111
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1 answer
179 views

Ok, so stupid-newby question-time. Is the default thread model in nRF5 SDK 17.1.0 single threaded with exceptions, interrupts, events, running as ISRs in privileged (i.e. higher priority) stack space? ...
Quantium's user avatar
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0 votes
2 answers
546 views

I am coming from programming Arduino and want to use NRF52832 - I have found this board which a 3rd party breakout board for NRF52832 - I want to use this so that I can use a similar design for the ...
Jaspal Singh Rathour's user avatar
  • 699
2 votes
2 answers
962 views

I'm trying to use my Seeed Studio XIAO nRF52840 like an NFC reader and like an NFC badge (not at the same time). For this, I have bought an NFC antenna, I soldered the wires to the two slots provided ...
kik_1's user avatar
  • 91
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1 answer
80 views

So im trying to setup some interrupts on the Arduino BLE 33 board, and im looking at Nordics header files for their nrfx drivers. There is a file called nrfx_glue.h which i've attached that creates a ...
tim p's user avatar
  • 57
1 vote
1 answer
277 views

I'm developing a custom bluetooth keyboard. It works now smoothly, but there's one thing I can't figure out. In macOS bluetooth settings page, the icon doesn't properly imply its device type. AirPods ...
Leo's user avatar
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0 votes
0 answers
86 views

Currently I am making some code for a Nordic nRF chip. I want to make it power efficient so I am experimenting with it. A part of that is turning memory sections off. So my goal is to power one block ...
Christian T's user avatar
  • 1
0 votes
1 answer
740 views

I am attempting to connect the Arducam Mini 2MP Plus to the nRF52840-DK embedded board via the SPIM interface, utilizing bare metal programming. According to the Arducam datasheet, The ArduCAM SPI ...
shakingwindow's user avatar
  • 101
0 votes
1 answer
209 views

`I am trying to scan for devices advertising the UART service using Micropython on esp32. but I get AttributeError: 'NoneType' object has no attribute 'scan' below is my code: # Initialize and enable ...
Miracle's user avatar
  • 1
1 vote
1 answer
2k views

I am trying to use Zephyr (v.3.2.99) for a small application on the nRF52840 Dev Kit. I set up an overlay file nrf52840dk_nrf52840.overlay that is being read and processed by cmake. I get the ...
jfarjona's user avatar
  • 145
0 votes
2 answers
250 views

I'm trying to receive data in mobile(android) devices from a BLE device based on nRF52840 and custom firmware. Here is my setting sampling rate : 250Hz mobile devices : Galaxy flip z 3, Galaxy S22 ...
LYG's user avatar
  • 61
-1 votes
1 answer
1k views

I can't find example how to do BLE pairing with Seeed XIAO nrf52840 board. It doesn't matter to me if it will be Arduino or Circuitpython libraries. Is there something like this somewhere? I would ...
Clyde's user avatar
  • 433
1 vote
1 answer
1k views

I am new to BLE and I need help with Battery Service notifications. I am using nrf52840dk, nrf sdk 17.1.0 and I am using ble_app_proximity example which already uses Battery Service. I need to send a ...
Kanthi Deep's user avatar
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1 answer
394 views

I am unable to compile the examples , hello_world_arcada and micro_speech_arcada shown below , on the adafruit website found here on my Circuit playground bluefruit microcontroller: I installed the ...
thareaper5's user avatar
  • 23
1 vote
2 answers
665 views

This is my setup. An ESP32 running as BLE Server An nRF52840 mbed board (XIAO BLE Sense) running as BLE Client The problem is on the Client Everything seems to work apart for the Disconnected event.....
Antonello Barbone's user avatar
  • 103
2 votes
2 answers
280 views

I'm trying to build my own OpenThread application on two nrf52840 DK borads. When a specific button is pressed I want to start sending udp multicast in a specific time intervall. For now I have ...
Emily's user avatar
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