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,
I have a mass storage that format a fat_fs volume and create a file when I plug the device by USB. Here is how I create a file :
It works fine, and I can see my...
Good morning,
I am developing my Zephyr solution with a Supported board RAK4631 in a RAKWireless solution called Wisblock. This is a kind of building blocks called Wisblock...
Hi,
I have the unfortunate task of needing to update a significant amount of inventory (several thousand units) using BLE OTA.
The devices are using the nRF52805 with...
Hello, I am currently developing a program that uses two SPI interfaces with the nRF5340DK. I want to use SPI3 and SPI4 for two different modules. SPI4 works fine and I can...
There are some fields that I wish to change. I am using the project direction_finding_connectionless_rx as a base to work with. I would like to be able to read and write specifically...
uart:~$ wifi_radio_ficr_prog otp_write_params 0x120 0xff63ec4f 0x9fff OTP Region is open for R/W Invalid MAC address. MAC address cannot be all 0's, broadcast or multicast...
I have a device on my desk that performs the data transfer I need, so I know it's possible. I've attached a screenshot of the successful data transfer.
I tried to replicate...
I have two toolchains and two nrf SDKs installed. v2.4.1 and v2.6.1.
I could change the toolchain used from vs code extension, but I couldn't change the west workspace....
I have been sitting with this problem for almost 2 weeks and have tried alot of different thing but without anything working,
Im using VS code with the nrf9161 and it has...
We have tried the following changes, but couldn't get expecting results.
Sometimes unable to pair two devices / Sometimes fails to link with one device
Could you answer...
I am using mbedtls to parse a certificate. The code is as follows:
It builds successfully but when I flash I get the following error:
Failed to parse certificate: -9774...
I'm trying to setup so that I can do firmware update on nRF5340 using only the internal flash. Due to the many dependencies between different images I'm creating my custom...
hi support team,
i was tesing homekit ncs2.5.3, with iphone se ios18, pairing failed, and i use another two iphone 12, they all succeed.
i can't see why the ios would...
USING THE PERIPHERAL_UART TO CONNECT WITH THE MULTIPLE CENTRAL DEVICES . I MODIFIED SOME CODE AND ADDED THE CUSTOM DATA WHICH IS HAVING THE 5 BYTES. WHEN I USE TO FLASH THE...
softdvice : s132
SDK version : nRF5_SDK_17.1.0_ddde560
Hi
In the project I'm working on, I need to store 3 bytes of usage time information. So I need to store data...
