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, I want to ask a question. We have a project that needs OTA function. There are two Bluetooth devices A and B.
1. Both A and B are central_and_peripheral
2. A's...
I want to check for an RX timeout after sending a TX.
I am puzzled on how this comes about.
As best I can tell I have enabled TIMER3 for the timeout.
I have created...
I'm trying to create a user defined HCI command for nrf52840 over the Zephyr APIs to be used against Bluez stack on Linux.
I've enabled the CONFIG_BT_HCI_VS_EVT_USER=y....
Hello,
I am trying to accomplish sending a simple ON or OFF command to the coordinator. Is this possible to do?
I have a router device with these Clusters:
It...
I have been converting my TWI calls to be asynchronous by specifying a twi_handler, but my NRF52840 does not sleep during the TWI calls.
I use SDK15.3 and s140 softdevice...
So this is my understanding of the programming process of an external board using the DK.
Pins from table 1 here: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf91_dk...
Hi,
I want to develop DFU using BLE. I have started with test image given in the example folder.
I have nrf52480 device , using S140 softdevice. I have followed these...
I am unable to see advertisement on the nrfconnect app, when using BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED
However, when using BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED...
Hello.
I am developing using nrf52832 (S132 v7.0.1, SDK v16.0.0) as a central and Android device (Bluetooth 4.2) as an advertisement.
During development, I was wondering...
Greetings.
We've been developing a product that uses BLE Mesh. We are currently using the Waveshare nRF52840 Bluetooth 5.0 Evaluation Kit for prototyping purposes. As far...
When I try basic usage of NRF Queue library I'm getting the following error:
Undefined reference to `nrf_queue_write'
SDK version is 15.3.0.
In sdk_config.h I've enabled...
Hi Support,
I have tried setting up my nRF52840 Dongle ( https://www.nordicsemi.com/Software-and-tools/Development-Kits/nRF52840-Dongle ) PCA10059 as explained in the steps...
Hi,
I've got the gaming mouse dev kit and I'm stuck trying to get it programmed using my nRF52840-DK. See my hardware connection image below.
If I leave the mouse power...
Hi. I am currently using a custom nRF52840 board.
I am able to connect and pair with both IOS and android via BLE. However, the IOS have some issues.
After 45 minutes...
