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Questions tagged [nrf52]

10 questions
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Micromod nrf52840 sniffer

Can I use the Micromod nrf52840 processor module, Micromod ATP carrier, with Nano 33 type bootloader and modify the ArduinoBLE library or modify the MBED OS abstraction layer and make a promiscuous BLE sniffer that will output something, preferably…
Andyz Smith
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How to prevent the application code from getting stuck in forever loop when using SerialFlash library in Arduino-Adafruit framework

I have been working on a project that runs on Adafruit's Bluefruit nRF52 board. I used the SerialFlash library for Arduino provided by Paul Stoffregen: https://github.com/PaulStoffregen/SerialFlash.The Flash chip used here is the Winbond 25Q128J.…
Aashyk Mohaiteen
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nRF52832 BLE "conn_handle" to disconnect the current connected devices

I'm working on nRF52832 Bluefruit Adafruit Module. I want the BLE connection to disconnect using a function and can call whenever required. But the issue is the disconnect function needs "conn_handle" to disconnect from the current connected…
Just doin Gods work
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nRF52 non-volatile storage/recall of a variable - is there a simple solution?

I have an Arduino program written for the nRF52 with which runs for a pre-set time-value (i.e. 2 minutes) before shuts off automatically. The variable time-value can be changed via BLE-write by the user from an external device (i.e. from 2 mins to…
TommyS
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How do I send non-ASCII keys over the BLE HID connection using an Adafruit nRF52 Feather?

The hid_keyboard example sketch shows how to send ASCII characters, but how can I send non-ASCII codes like the F1 key, or keys with shift/control modifiers?
bigjosh
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Arduino bluefruit nrf52 - check if softdevice is "busy"

I'm using a Bluefruit nRF52 with Arduino framework, and using Bluefruit library. It's connected to the Bluefruit connect app, but also acting as an SPI slave for another device (an stm32). I'm having to bit-bang the SPI as the Arduino SPI library…
elMick
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How does a callback function get revoke itself eg. Connect function get revoked when there is new connection

Further to my previous question here Can anyone help me understand how the callback function gets revoked itself? The connect function, disconnect function. BLE custom UUID code source here Another example is BLEUART which have callback…
Just doin Gods work
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No Data Received on Serial Port & Unable to DFU Reset. Advice?

Having a problem running my original code that I tested last week, which worked on multiple days last week. I tried to do a DFU reset and update the BootLoader, but it didn't work. I checked the baudrate and board selections in the Tools tab, but…
ThermoRestart
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Error in Compiling for Seeed Xiao nRF52840

I am using Arduino IDE 2.3.4 to program a XIAO nRF52840 Sense. I added the board using the instructions on the official getting started page. After installing the board in Arduino IDE, I open up the blinky example. When I press Ctrl+U, a long…
paki eng
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Is my BMA421 locked up?

I have been trying to set up the BMA421 motion sensor in a nrf52 based smart watch, using the datasheet for the BMA423, which has the same interface. I had got the sensor working well with the original source code, but I was trying to set it up…
Mark Williams
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