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 was wondering if adding a capacitor in parallel with the coin cell battery would help with the battery life by smoothing out the peaks. The scenario shown in the chart is...
Hello All,
I have successfully built the secure_bootloader app. I have the bootloader working with the button. I can upload application files using DFU. I tried the buttonless...
Hello
I'm currently running ble_app_uart__saadc_timer_driven__scan_mode and would like to modify it for faster sampling rate. However, NRF_ERROR_RESOURCE presents an obstacle...
Very new still learning.
I am using Keil and trying to setup the tools>customize tools menu.
Following the tutorial I am able to create the eraseall macro. No problem...
Hello~!
I am working on modifucation code of ble_app_uart example.
nRF51822
(SDK12.3.0_d7731ad)
Softdevice 130 (v2.0)
I know the original UUIDs are provided from...
Hi, I am working with the example Blinky_freertos present on the SDK_13.0.0_04a0bfd.
I have built the example w/o issues in compilation but I have the following problems...
Hi i get this error when compiling. (version 0.9.7)
I'm using arduino DUE and BLE Shield (redbearlab).
I get the error: EEPROM.h: No such file or directory in bootloader_setup...
I tried building ' pca10040 ' configuration of " nrf52-mpu-easydma-using-gpiote-and-registers " example from " https://github.com/Martinsbl/nrf5-mpu-examples ". The following...
Hi
I am working on nRF51-DK with Mbed IDE & used PWM example code from link : https://os.mbed.com/handbook/PwmOut
When enabled PwmOut, PWM signal is observed on the oscilloscope...
I would like advice on whether the following is a valid ble transaction.
We have a product with the nrf52 in it running sdk 12 and softdevice 3.0. This is setup as a a peripheral...
Hi,
I'm using nRF5 SDK v. 14.0.0. I'm trying to pass a context pointer to the NRF_SDH_BLE_OBSERVER macro, but am running into compilation errors. I want to do something...
Hi,
I'm building a project with nRF52832 dev kit and the SHT10 temperature and humidity sensor, I'm searching for a library/example project of this sensor and the nRF52...
I'm planning to make a custom board using Thing52, following the reference desing. I have some questions (1) Can I use nRF52840 instead of nRF52832? (2) Do you provide an...
To reduce power consumption during sleep I have to completely disable the UARTE0. This is done before sleeping by :
NRF_UARTE0->TASKS_STOPRX = 1; NRF_UARTE0->ENABLE = UARTE_ENABLE_ENABLE_Disabled...
