I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
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I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
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...
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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...
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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...
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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...
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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...
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,
When I looked at the SPI lines using the oscilloscope, I saw that the MISO line had the same signal as the MOSI line. As you can see from the image, basically SPI configuration...
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...
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I am currently trying to integrate a digital microphone with the I2S peripheral of nRF5340 audio DK. I am accessing the P10 header of the nRF board for the particular...
Hey Team,
I'm trying to flash the audio application on our custom PCB, this PCB follows the interfaces of the nrf5340 audio dk. Previously on lower SDK versions (2.7-2.9...
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...
Hi,
I need to enable an input interrupt on nRF52832 and I want to use a GPIOTE EVENTS_IN channel.
During boot configuration, I'm using nrfx_gpiote_in_init function with...
Hello Nordic support team,
Forgive me if I am asking a stupid question.
In the source file ble_conn_params.c, there is a function called ble_conn_params_init() and I...
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...