Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
In an NCS/Zephyr nRF52840 project I'm using a 3rd party 'plain' cpp library code.
This 'plain' library (written for Linux/RPi) uses the traditional std::mutex...
Dear all:
I have viewed that matter support below Operating Systems from this link:
project-chip.github.io/.../BUILDING.html
Tested Operating Systems #
The build...
Hi engineer I am using two nRF52832 boards to test the communication between ble_peripheral and ble_central. The project used is ble_app_uart and ble_app_uart_c in SDK15.0...
hello Nordic
i am using nrf52832 and nrf52840, working with ncs v2.3.0
currently i am using the SMP service for DFU but i also want to use the service's property to...
I b ought three ebyte E104-BT5040U USB dongle but it doesn't work.
I was program a ebyte E104-BT5040U USB dongle using openocd。I use daplink (2023-8-24) and openocd 0...
Hi,
We have been trying to get the audio application to work using an external I2S microphone, but have recently run into the following problem when trying to send audio...
Hello Nordic,
I've been attempting to convert our system's TWIM implementation from the blocking to the non-blocking mode. I have been able to communicate fine with the...
Hi,
I have updated finally Segger Studio from version 7.22 to 8.14. Now I cannot compile the project. It ends with below error:
Build failed, exit status 0x1
Is something...
Hi, I have a problem where the mcuboot do not seem to include the 'jedec,spi-nor' driver. Looking at the build directory, /build/zephyr/zephyr.dts file has the device spi...
Hello everyone
our current project is to use dht22 to control an external fan
but we don't know how to add a new node to the device tree for the fan.
The picture below...
I got the license key for segger studio but the option to install the license is not popping up. https://drive.google.com/file/d/1qok8PcCYhHi_9nsknL2JW4_AtF6F5ZP5/view?usp...
Hello I have a few questions
In my project, the nPM1300 fuel gauge example via nrf5340dk works properly. I received information such as V - I - SOC via I2C. Currently I...
I try to use Gazell and USB HID to remote wake up my computer. But after compter turns into sleep, the callback function on the Gazell Host Device doesn't being called back...
The hardware I use is nrf52840Dongle, using nrf_dm sample for development. There are a few problems:
1. I have 8 devices, all within communication range, 4 as base stations...
Hi, I get a issue, build error if enabled PGPS in prj.conf:
CONFIG_NRF_CLOUD_PGPS =y
and OK if comment this config
for this project, I used sample/cellular/Location...