Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
Hi
I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hi,
I have two nearly identical revisions of a board with an nrf5340 which behave differently in a curious way:
On one revision I can issue a "mon reset" command in...
I'm working on a custom board based on the nRF5340. On this board, the UART output (connected to an RS232 transceiver) is gated through an I/O expander which is controlled...
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...
Dear devzone,
Based on ncs2.9.1 and nRF54L-DK(v0.9.2), add in the prj.conf of the peripheral_uart example:
Compile and burn to nRF54L15-DK, the program does not run, and...
I had the nrf5340 DK working for a few weeks now, and while working with SSD1309 OLED peripheral, was trying out a simple display application. Couldn't get the display device...
Dear Experts,
I would like to better understand what exactly is accomplished by the mode-0 synchronization in Channel Sounding. My current understanding is that it seems...
Hi,
During our testing of the Zigbee NCP sample, we encountered some compatibility issues. We have flashed the NCP sample firmware onto an nRF52840 Dongle using SDK version...
Hello Nordic
Using the old SDK, i was able to do FOTA wiht 10kb/s.
After doing all kinds of tweaks, I am only able to obtain 5kb/s with the new connect SDK.
Can i...
Dear Nordic-support,
I am trying to use the modem_battery_low_level_handler and modem_battery_low_level_set(), but I think there are two different ranges for the battery...
Hello,
I am studying the materials in Bluetooth Low Energy Fundamentals.
I cloned the codes from GitHub https://github.com/NordicDeveloperAcademy/bt-fund
I tried to...
Hi,
With several nrf52840 based prototypes, I had serious problems. I could see them die after flasing them a few times. And this was not just one dying, it was all of them...
I am getting an error of "undefined reference to `pm_state_force" .
Also, the output files, config file is not showing the command : CONFIG_PM =y
prj.conf file has : ...
Hi Team,
I’m using the nRF5340 Development Kit, and in our project, we have a custom slave device that communicates over QSPI. We’d like to interface this custom device...
Hi everyone,
I'm new to both nRF Connect SDK and Zephyr RTOS , and I’m trying to modify the official LittleFS FileSystem Sample to mount an external SPI flash as the storage...