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...
I am trying to set up a project that uses MCUBoot and puts the secondary slot into QSPI External Flash. I'm using NCS 1.7.1 with VS Code. I've followed numerous posts on these...
I am currently evaluating the differences between nRF52811 and nRF52810. I am still using the nRF5 SDK.
One difference is in the nRFInitialize function in the startup code...
Hello,
In my application (using sdk 16.0.0) I have a bootloader that allows to upload a new firmware through either BLE or UART. The Bootloader is initialized as usual:...
Hi All!
I have a problem running simple PWM output on NRF5340 board. I have a following code:
Now what i'm trying to achieve is to get 50% of duty cycle with frequency...
Hi there,
This should be straight forward but has me stumped. I'm trying to add BLE to my CAF based application and can't do and recreated the same problem with the samples...
Hello, I have a two part question with regard to SPIS setup time when exiting low power mode on an nRF52840.
We are using the SPIS peripheral on an nRF52840. General guidance...
Hello,
I am currently integrating the Wiznet5500 drivers into a VSCode project, but I am stuck on where to include these custom modules.
In the previous version in SES...
Hi，
I have a problem about CAF leds modules. I submit a led event to turn on led for 3600ms and turn off led for 500ms, but it work inversely in fact.
I find that leds...
SD140
Part nrf52833
Application: Central App that connects to 1 to 16 different peripherals. One at a time.
Problem: 1/10th of the time, I get a disconnect reason BLE_HCI_CONN_FAILED_TO_BE_ESTABLISHED...
I keep getting a hard fault when calling spm_request_random_number()
I'm following the secure_services sample provided in the SDK, and the secure_services header file...
Hi, I am using the nrf52 Thread v4.1.0 SDK for development
I am using ADA4333
there pin 6 is used for Gate control but
in CLI pin 6 is used as uart tx
and it is hard...
I found the following problem with Programmer v2.0.1, using either a Nordic DK or a Segger J-Trace as the programming device (on Mac OS 11.6, and with nRF Connect 3.9.1):...
Dear All, I am trying to add the task watchdog to my application, but I am dealing with some interesting issues. The NRF SDK that I am using is the v1.6.1 I have dealt with...
Hey,
I saw the example in the SDK for hid keyboard over ble but it is only as a peripheral device.
In my project I have the nordic board as a central device connecting...
It has an iso_broadcast error, by GDB, it is in function ` bt_le_scan_start() ` where it throws an error. The error I cannot see through since the compiler option can't adjust...
