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 want to merge soft device, application and boot loader in order to improve efficiency for factory. I searched relative topics in this forum and found something useful. At...
We have been unable to establish a link between a Garmin HR monitor over the air, we have established USB comms to a cell phone device. We took the transmission line directly...
i find one related question:
devzone.nordicsemi.com/.../
and this is refers to nrf8001,
so, i wonder if nRF51 could share both crystal with other MCU?
please help to...
Hello,
I am trying to test ble_app_uart example code and replicate similar behaviour.
I have disabled hwfc. But without hwfc, UART0_IRQHandler is not getting called...
Hi
I need to implement I2C slave side (up to 100kBit/s) on a nRF51822 chip. As far as i see the inegrated TWI peripherial only supportes the master side. Any ideas how...
I just received an nRF51822 eval/development board that has a sticker on it that says "PCA10004". I also just downloaded the latest SDK (nrf51_sdk_V6_1_0).
As far as I...
I received my nRF51822 development kit today and the PCA10000 dongle doesn't appear to be working. I installed all the drivers/software as per the user guide and when I plug...
Hi,
I'm using s110 v7.0.0 and sdk v6.1.0.
Which situations can produce disconnection error 0x3E ?
( BLE_HCI_CONN_FAILED_TO_BE_ESTABLISHED )
how to avoid this error ...
Hi All,
Are there any updated examples for nrf51822 for writing long charecteristics.
My Application has to receive more than 20 bytes at a time and send over uart.
...
I'm looking to add PWM functionality to my design to drive an LED. Examples exist for other devices, and those don't use the SoftDevice. Is there an example or some reference...
Is there a bootloader for the S130 available already? It seems to be not completely trivial to adapt the S110 bootloader to a S130 bootloader...
In the SDK, two bootloaders...
Hello everybody,
I try to work with BLE Devices using LabView and the MasterEmulator API. I can start the USB Dongel (PAC10000) and enable "StartDeviceDiscovery". The Property...
Just starting out with the nRF51822-EK here and we wanted to try out the Gazell protocol. Any ideas on how we get the firmware we need to do that? Thanks.
Hi,
I am using nRF 511822.I have edited the sample code ble_app_uart and tried to interface the button interrupt handler.But the interrupt is not triggering. I have added...