Hi,
I noticed in the nRF54L QFN48 reference design, for the NRESET pin, there is an RC filter (1Kohm series R and 3.9pF shunt cap). What's this for and is it necessary?...
Hello,
I am using a nrf5340 dev kit. When I use SPIM the output from the pins gives the correct hex values but the output's amplitude is only around 100-200 mV. I know that...
Hi,
I'm using the nRF52840 with the SoftDevice for BLE. In my system, it's primarily a BLE transceiver controlled via SPI by an external TI MSP430. We're considering implementing...
Hello,
I want to request AGNSS information from nrf cloud services using my nRF9151DK board. As a first step, I flashed the nRF Cloud multi-service application onto my DK...
Hi,
I'm using cdc_acm to create two COM ports on a PC -
// USB support
& zephyr_udc0 {
cdc_acm_uart0: cdc_acm_uart0 {
compatible = "zephyr,cdc-acm-uart" ;
...
Hi,
We are having issues with this part bridging on our via-in-pads. We are using 2oz finished outer layer copper.
Do you have any footprint recommendations for 2oz copper...
Hello,
I'm looking for guidance and understanding of how to properly use the KMU and ITS for secure key storage of a key generated on device.
I see that typical ITS use...
hi,
I have some problems about pwm register.
1.NRF_PWM0->MODE
2.NRF_PWM0->COUNTERTOP
3.NRF_PWM0->LOOP
4.NRF_PWM0->DECODER
5.NRF_PWM0->SEQ[0].PTR
6.NRF_PWM0-...
I use rRF52832. After doing "Flash Tab -> Erase" of Keil's development environment, it became impossible to connect at all. I tried using nRF 5x Command Line Tools (nrfjprog...
I'm trying to port the _12.3.0_ DFU bootloader_secure example to my custom nrf51822 board.
The example can run perfectly on pca10028 board, but not on my 51822 board even...
Hi All,
I am developing an application on nRF52840 Preview DK which does not need the Soft device. But it needs the MBR to run a bootloader for Firmware update purpose....
Hi,
Now I am using nRF52382 to make a product which needs a accurate one second timing. Then I use the project "nRF5_SDK_15.0.0_a53641a\examples\peripheral\rtc" and "nRF5_SDK_15...
Hi there!
Device: nRF52 DK
App: nRF connect
Compiler/IDE: Segger Embedded studio
SDK version: 14.2
Soft device: s132
Problem description: I am trying to run blood...
Hi,
I am reading a BMX055 via I2C which consists of three sensors with three addresses.
I got the easyDMA running to read 10 times the gyro using the PPI and the data...
Hello,
my first question is about TX carrier frequency accuracy measurement. The equation given in the whtie papers is
(|f_measured - f_programmed|) / f_programmed <=...
Why is the event length of the BLE Central HRS demo set to such a high value of 320*1.25ms = 400ms?
The demo seems to work ok with the BLE Peripheral HRS demo using the...
Does the Battery Service Client (ble_bas_c) module handle subscribing to notifications from multiple slaves? In my use case, I have the nRF52840 dev kit connecting to multiple...
I need to keep track of time on a device featuring the nRF52 and have an RTC run continuously in the background. The drift should not be more than a few seconds over a year...
Hello I try to use P0.09 as GPIO with this simple code but not working. (Works well with pin P0.08)
#include <stdbool.h>
#include <stdint.h>
#include "nrf_delay.h"
#include...
Hello,
I use the bootloader from the SDK SoftDevice 14.0.0.
I use the Laird module BL652 which have a nRF52832 component without external clock.
To compile the bootloader...
Hello Everyone,
I am working on nRF5 14.1.0 SDK, My question is how to generate "ble_app_buttonless_dfu_without_bonds_s132.zip" dfu file.
Can any one tell me the exact...
