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...
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...
We are in the process of finalizing the RF transceiver chip for custom protocol development.
Please suggest the suitable chip and any reference implementations available...
Hi Nordic Team,
I'm looking to use the UICR->OTP region ( One Time Programmable (OTP) memory region within the User Information Configuration Registers (UICR)) on the nRF54H20...
Hello,
Now, I currently run Asset_Tracker_Template on Thingy91X
https://github.com/nrfconnect/Asset-Tracker-Template/blob/main/docs/common/getting_started.md.
And, I...
Hi Nordic Support Team,
I'm currently experimenting with Channel Sounding using a couple of nRF54L15 boards.
I am trying to obtain raw I and Q samples so that I may analyze...
We use several Nordic chips in our BLE sensors. We bond to the devices from Android, connect to update configurations, then disconnect such that the device then advertises...
Hi，
In the 07-5123-07-zigbee-cluster-library-specification specification, I see clusters that support CO2 and HCHO, but I did not see any definitions of CO2 and HCHO (cluster...
Hi,
I'm working with NRF52832 which operates on battery in low-power mode.
The unit samples and transmit data (via modem) 2 times a day.
After few weeks / months of...
I have written a UART driver that is intended to receive data in a continuous stream. I know it basically works as it is able to communicate with an external device at 115...
Hi Nordic team,
I have a simple HID BLE device which send volume+/- multimedia keys to a Android device, it works
well if it is first time to pair with the Android device...
I'm developing a project that use BLE advertise and uart communication with other uC.
The uart part is based on libuarte example. To decrease the current consumption, I...
I am trying to do spp communication between central and peripheral with BLE.
First, the peripheral uses microchip RN4871.
The BLE setting is Service UUID: 49535343FE7D4AE58FA99FAFD205E455...
Hi,
I've been trying to run the zephyr's littlefs sample on Thingy:91 under the ncs 1.2.0 tag, but it seems that the flash_open_area function is having some trouble, and...
Hi,
I have a SPI slave device which outputs 8-bit registers that I have to assemble. For example, I receive two 8-bit registers, a high and a low register, which I have...
When I am going to program a custom board for the first time, can I use example codes from the SDK or should I change anything important on the configuration?
On my custom...
I'm trying to create a simple service that would just provide some data which could get updated internally (for example, via SPI bus). Data may be of a different size, so...
I have a PCA10059 dongle. I have inadvertently configured pin P0.25 as the sleep debug pin and I use active state 0 as I am using off board LEDs with reverse logic. This means...
Hi,
I'm just getting started and tried to run the lwm2m_client sample from the v1.2.0 release of the nRF Connect SDK which I assume is the latest stable version? However...
hai ,
in my apllication i am using nrf52840 , i merged a code code of peripheral and central (app_blinky example)
i need to connect a peripheral to central (with esp32...
