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Questions tagged [nrf52]

The nRF52 is a series of system on chips (SoCs) from Nordic Semiconductor suited for Bluetooth Low Energy and ANT operations. The chips are built around a 32-bit ARM Cortex M4F CPU.

The nRF52 is a series of system on chips (SoCs) from Nordic Semiconductor suited for Bluetooth Low Energy and ANT operations. The chips are built around a 32-bit ARM Cortex M4F CPU [1].

[1] https://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF52832

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how to use gpio pins in nRF52840 development kit?

The GPIO pins are like P0.00, P0.01, P1.01, P1.02 and so on. I didnt know how to use this. I would like to know, how to use the GPIO pins in nRF52840 for simple LED and push button circuit? It would be really helpful.
Parthiban Thirunavukarasu
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bluefruit NRF52 max connection interval speed (connInterval)

I've got an Adafruit Bluefruit NRF52 hooked up to the Adafruit BNO055 9-axis orientation sensor, gathering 3 axis of absolute orientation plus 3 axis of acceleration (6 floats in total) and sending over Bluetooth through bleuart. I need the bleuart…
dookie
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Compiler generates FPU instructions for a device without an FPU

I am building zephyr on Raspberry Pi 3b to use nRF52840 dongle. Follow the tutorial Getting started with Zephyr Everything includes: download install cmake -DBOARD=nrf52840_pca10059 .. was ok until I "make" in build/, issue…
Lionel Tran Lam Ngoc Minh
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SparkFun nRF52832 Breakout + SPI display

I'm using the TFT display ILI9341 linked to the Adafruit HUZZAH through SPI with the example skecth provided "graphictest" and everythings works fine. // HUZZAH DEVICE Spakfun nRf52 // Violet -- 12 --> MISO <-- 12 -- Violet // Rouge …
Ugo
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Stuck in a function in a source file from example code

I'm developing a program on a NRF52832 microcontroller in c in the Netbeans IDE that receives data from an external ADC via SPI and outputs a PWM signal with a duty cycle that depends on the data from the ADC. I got the example code for the SPI…
Payton Grenich
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How to sync communication between BLE Central (Mobile) and Peripheral?

I am working on a BLE app. I am through to establishing communication between Mobile app (CENTRAL - BluetoothGattClient) and PERIPHERAL (GATT SERVER) albeit not neatly. PERIPHERAL has one service which in turn has single characteristic on which…
iuq
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How to display more number of bits on the nrfcloud?

I have set up an environment to upload data to the nrfcloud using nrfconnect and the nrf52 dk.I can only upload data upto ff and then it resets to zero .The value which i am uploading is an integer value, so i want to display numbers from 0 to…
M. Suarez
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Linker script for an nrf52 S132 Bootloader

I'm currently building a bootloader suitable for Dual Channel DFU and SD132. It is on nrf52832, currently on PCA10040. Although the linker script works, and creates a hex file, I am left with an app_error_code 1 after nrf_sdh_enable_request(), from…
alxtford
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Writing and notifying from the same characteristic

Is there a problem with writing-to and notifying-from the same characteristic? Or is it recommended that one create two characteristics, one for receiving data, and the other for transmitting? Is this less of a concern for Android then the NRF52…
the_prole
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Unable to read TX characteristic value of Nordic UART service, on Linkitone board as Central device

I am amateur for GATT and ble. I am using Linkit one board as central device and Nrf51 board as peripheral device. Central device successfully connecting with peripheral device, able to seach all Services UUID, Characteristic UUID, but it fails to…
suvarna
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lsm6ds3tr IMU for XIAO BLE Sense in Nordic Connect SDK

I am very new to Nordic SDK and currently having a really hard time with Zephyr. I want to use the inbuilt IMU i.e., lsm6ds3tr_c. Zephyr does not have a driver for the sensor but so far all I could find is that it should be compatible with lsm6dsl…
EngineeringArtist
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pyocd gdbserver exit 1

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 pyocd and wsl2. Here is my launch.json: …
embdev
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The nRF52 didn't detect the I2C address of the ultrasound sensor (RCWL9620) on the I2C bus

I'm using Segger as an IDE. I have an nRF52 with a mux I2C. The BLE detects the address of the mux, and I select the channel that is already connected. However, BLE detects the I2C ultrasound (RCWL9620) once but doesn't detect it for the second…
hamdi rebhi
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NRF52 developing without using device trees

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 extension. I have been reading and learning a little…
TheBestPlayer
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Can't Build code that references files on Nordic NRF SDK version 17 on MACOS

I am building code (in VS Code) for the NRF52840 Development Kit using the nordic nRF5_SDK-17.1.0. When I build the following example with the following dependancies: #include #include "nrf_delay.h" #include "nrf_gpio.h" #include…
Jaspal Singh Rathour
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