Connecting nrf21540 to a nrf52840. 840 GPIO default state is input, input buffer connected. One of the 840 GPIO pins is connected to the 540 PDN pin.
1) If the 840 gets...
I am currently developing a firmware application on the nRF5340 where I need the device to function in dual role :
As a Bluetooth Mesh Node , communicating with other...
Hi, we are planning to use npm1300 for charging a battery, but we will have a limitation on the power supply (VBUS in npm1300 naming convention): the capability of making...
Hi,
I am Currently running BLE Mesh with nrF5340DKs, I refer all nodes as Cores but 1 as Master, Master receives and Stores data as well send data to PC Serially for further...
I'm developing with an nRF52832, NCS V2.6.0 (happy to update to a newer SDK if it gets me the functionality I need) and Zephyr 3.5
What I'm currently doing is having my...
The functions “ nrf_log_frontend_std_...() ” called by “ NRF_LOG_INTERNAL_MODULE(...) ” use only 4-byte (uint32_t) arguments, which is not suitable for arguments of type ...
Hi,
If the following function is used, how to solve this error:
#include <nrfx_reset_reason.h>
void check_and_clear_reset_reason ( void )
{
// 获取复位原因
uint32_t...
I've just finished my first layout for nRF51822, and I need a help with the attenna design.
The RF part of the schematic and layout is a copy of your reference design, "PCA10004...
Hi
I'm using BLE400 board (from waveshare) which have a nrf51822 chip on it. When I want to program the softdevice with nrfgo I encounter the following error:
link text...
Hi, I got a problem.
I created a timer, interval is 30ms.
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(150, UNIT_10_MS) /**< Minimum acceptable connection interval (0.02...
Hey Guys,
I am trying to create a workflow for creating new project from scratch in eclipse, traditional way with nRF5 sdk provided make file is not scalable and it really...
We are using a MMA8452Q accelerometer connected to an nRF51822 via TWI using the twi_hw_master. Reading the WHO AM I register is the first attempt to get the TWI running but...
Hi,
let's say I program flash with SD, Booloader and merged App1&Ap2 images. I need to switch application (only once, after some self tests) using some command from application...
I am having an odd problem.
nRF52
softdevice S132 V2.0.0
I have a bootloader and application. when I program them directly to the device they both work fine and can...
I need to get three ADC data from acceleration sensor with nrf51822. I tested getting a ADC data using simple_adc_pca10028(Keil_v5/ARM/Pack/NordicSemiconductor/nRF_Examples...
Hello
We are about to move an old design based on the NRF51 to the more powerfull NRF52.
In this context we would like to use some of the new API’s that has been introduced...
Recompile dfu_dual_bank_ble_s132_pca10040 example from SDK v11 with softdevice v3.0 header. DFU is advertised, but not able to connect to it. always timeout,
There are three...
I made a product with nrf51822AC(based on SDK6.1&softdevice7.3), now we want to do BQB testing and I am working on our board's DTM code.
I have tried example "\Nordic\nrf51822...
Hi Nodic:
I use the PCA10028 V1.2.0 board , and use "nRF51_SDK_9.0.0_2e23562" SDK, ..nRF51_SDK_9.0.0_2e23562\examples\ble_peripheral\ble_app_uart\pca10028\s110\arm5_no_packs...
Hi,
In SDK11 I was able to update advertised device name without restart, just handled write on the characteristic and update advertising data (through a second call to...
I'm going through pin_change_int example and can't understand how we tell controller where locate the function for our event.
Probably it occures in channel_port_alloc that...
I'm trying to communicate with an EEPROM chip using SPI. When I run under the debugger, the EEPROM doesn't respond; without the debugger running, it seems to work fine.
...
