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Questions tagged [nrf52840]

9 questions
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Configure encoding and Unicode support in the Arduino IDE environment

i write program Blink led on arduino IDE for xiao nRF52840 sense but i got this error. I am using Macbook pro with MacOS version 13.2.1 (22D68) and arduino IDE version 2.1.2 Traceback (most recent call last): File "__main__.py", line 317, in…
Đỗ Xuân Hiểu
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How to connect android app to Seeed Studio XIAO nRF52840 to control switch?

I'm a student. I am creating a IoT voice controller system using Seeed Studio XIAO nRF52840. I don't know "How to connect android app to microcontroller to control switch".Can you help me how to do that? i want to know how and what modules do i need…
Đỗ Xuân Hiểu
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float to string in C++ using NRF MCU and Zephyr

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 the code #include #include…
Yann
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Code stuck at ".thumb_func .weak HardFault_HandlerHardFault_Handler" on NRF52840 using PCA10056

I'm working on a project using an NRF52840 microcontroller and the PCA10056 development board. When I debug my code, it gets stuck at the following line: .thumb_func .weak HardFault_Handler HardFault_Handler: b when i build the project i get no eror
hamdi rebhi
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Can an open thread border router (like raspberry pi + nrf52840) communicate with Google Home app?

I have successfully setup an open thread border router using a raspberry pi with nrf52840 USB dongle. I have also implemented a light-bulb device using an nrf52840DK. I am able to commission and control the light-bulb device using the chip-tool on…
George Pentes
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NFC with Seeed Studio XIAO nRF52840

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 below the card and I have tried the official NFC…
kik_1
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nRF52840-DK USB setup with nrf52840-dk-bsp

I'm very new to embedded and trying to figure out correct way of setting USB communication with nRF52840-DK. For nrf52840-hal (v0.16.0) there is an example I tried to follow. To get peripherals example uses the following: let periph =…
Mikekekeke
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How Can Peripheral Get Notification on Central Bond Delete

Peripheral: Nordic nRF52840 chipset with Zephyr Central: Android smartphone Bond is created and "pairing_complete" callback is called in peripheral. But when manually delete the bonding(from Bluetooth > [peripheral device]Unpair), how can the…
Samir
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Warning in visual studio code with GCC toolchain

I am facing some warning issues while compiling nrfSDK example in visual studio code with GCC toolchain. warning:Uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail Can anyone help me resolve…
Aldrina
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