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'm using nrf52840 and SDK VR 15.0.0
I want to apply the long press button functionality and short press button functionality to change the screens in OLED SSD1306.
How...
I am using NRF52840 in Mesh(SDK 4.1.0).
I followed Hung Bui's solution and change power to 8 dBm in code, but get range of 15 meter in open environment, This is very low...
Dear all, I have a question about custom address add. In light switch example, we can publish message to group address or unicast address. In my project, we want to send message...
hai ,
i am connecting 5 peripherals in one central (used ble_central example modified like multilink central)
i referred this link for sending particular data...
https...
Hello,
the well known problem of the nRF5SDK is that if you want to use nrfx drivers, you should enable in NRFX_DEFINEs and LEGACY_DEFINEs in config file. For example, we...
Hi ,
In my application .. I have define two custom characteristics one with write permission and other with read + notify permission...
Whenever a value is written to...
Should the toplevel declaration bool nrfx_power_irq_enabled; in nrfx_power.c have a `static` qualifier? I'm using openocd/gdb to load a GCC-compiled firmware onto a custom...
Hi,
I think I have properly configured my application to authorize reads on characteristic, yet I do not see an event generated. I get write events, but I don't get read...
Hi,
I am developing a custom board with nRF52811 where I will measure analog signals from op amp on ADC (single ended mode). Signals will be very small, so I need a good...
Hello guys. I'm beginner in Nordic Devices.
I'm working in project that sends Acceleration Data from KX220 sensor over LoRa network or if there is a BLE device connected...
Hi，
I find that nrf52 series can support Bluetooth 5.2 SoC in nordicsemi page, but it still shows Bluetooth 5.1 SoC in Product Spec.
Which one is right ? Is it just that...
In the User Guide for the nRF52840DK on pg 26 is:
8.5 External memory The nRF52840 DK has a 64 Mb external flash memory. The memory is a multi-I/O memory supporting both...
Hi,
I'm working with the USB_CDC_ACM example to communicate with a PC trough COM port. It works well.
Now I would like to use the ISO endpoint feature in order to transfer...
I have a NRF52840 DK, with a pca63511 power profiler kit purchased just a few days ago from Mouser. I am trying to use the power profiler kit with version 2.3.1 of the power...
We are in a need to upgrade the existing Soft Device to higher version from the application firmware. The reason why I am asking this, if it is possible to upgrade then we...
