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...
Hi,
In secure_bootloader(SDK17.1.0) example, I want to replace the ECDSA_P256_SHA256 with ED25519, what should I do?
I tried to modify sdk_config.h, but the build didn...
I have the EV BT-840 DK and I have the AT firmware installed. With AT commands I am able to connect and send data to other BT-840DK. Right now I flip the AT command switch...
Hi Guys, I am following the numbers and tutorials and setting up Visual Studio on a windows PC and installing the Nordic extensions. I get as far as a successful build but...
I was able to work with the mfrc522 RFID card reader through SPI on nRF9160dk. The application was developed using connect SDK v1.5.1
When we tried developing using SDK...
Hello!
I need to control several motors using the nRF52832. The problem is that my laptop cannot supply enought current to run the motors, if I try to run it, windows detects...
Hello!
I am trying to write a program for controlling a servo motor. I got recommended a code for making a PWM signal by someone else from devzone, so I am using a modified...
Hello, I would like to know what is required of me to automatically create com port in windows that would allow me to use my ble device as if it were attached by ordinary...
Hi,
I want to receive some data in my nRF52832 from MATLAB over UART and send some other data from nRF52832 back to MATLAB. I need some bandwidth for data transfer from...
Dear support,
I am the beginner of of the Nordic with 52840 chipset, i am try to running sdk 1.90 with zephyr os
i am try to running this case : cfb
C:\Nordic\NCS...
Hi,
I'm trying to use two nRF52840DK as Zigbee routers. I have the following setup,
Software
Application: Home Assistant
SDK: nRF5 SDK for Thread and Zigbee v4.1...
I really like the flexibility that the CLI from FreeRTOS gives me for making my own commands. Does Nordic have a similar library available that I can just import easily into...
Hi,
since The image management provided by mcumgr is based on the image format defined by MCUboot, so does "nRF Connect android app DFU mode" use mcumgr libraries in it...
I'm developing an Ultra-Wide-Band indoor localization system consisting of beacons (stationary, hard powered) and tags (mobile, battery powered), and am looking for a suitable...
Hi Nordic,
I am developling a porject with nRF5 SDK 17.1.0, with nRF52832.
the 52832 serve as a central role.
1、I am wondering what is the difference between BLE_GAP_EVT_CONNECTED...
Values change rapidly and bt_gatt_notify_uuid is called at 10ms interval while bluetooth connection is set up for 15ms connection interval. I assumed this would simply queue...
