Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
I have an application with a custom service, based on the ble_app_template example. I want to add DFU functionality. I flashed the DFU secure bootloader and can discover the...
If I use NRF_SDH_DISPATCH_MODEL with NRF_SDH_DISPATCH_MODEL_APPSH what size do I need to use for the scheduler data size and queue length in
APP_SCHED_INIT( ?, ? ),
Is...
In SDK 15.1.0 NRF_LOG_STR_PUSH_BUFFER_SIZE is defined twice in every sdk_config.h in the SDK. For example in the ble_app_template/pca10040/s132/config/sdk_config.h:
Hello,
I'm trying to update an application with a dual bank over BLE, but first I wanted to try on the given examples so I'm sure that I'm creating the .zip files the...
Hi there,
we are currently looking for a suitable hardware + software with Bluetooth 5 support. All of our software projects are build and developed with KEIL MDK/ uVison...
Hello,
I integrated your firmware (iOSDFULibrary) in our project but I got error when I tried to make the DFU to our Nordic device.
Error : Error raised when the CRC reported...
Hi all, I'm brand new to embedded systems development and I'm having some issues getting the Mbed OS onto a custom PCB. The PCB we're using has a Fanstel BT840 chip.
The...
so i am trying to understand the code , and i would be really grateful if u help me .
what i am trying to do is send data from one DK to multiple DK. i am not able to figure...
Hello,
I am trying to connect RuuviTag to nRF Connect Power Profiler, but I get Failed to start the PPK error.
Computer: macOS High Sierra 10.13.4
nRF Connect v2.5....
Hi everybody!
It seems that there is not a huge choice of cross-platform frameworks to develop desktop applications for BLE (without serial dongle).
Nordic Semi seems...
Hi,
Just want to know is the pyACI is a python based tool to provision nrf Mesh Nodes over serial Port?or over PB-GATT or PB-ADV?
Can it be used to provision other vendors...
My setup is NRF52DK+SD132_V3.1.0+SDK_12.2.0.
While playing with my peripheral I setup a whitelist, the default whitelist filter policy seems to be BLE_GAP_ADV_FP_FILTER_CONNREQ...
Hello everyone,
I want to establish serial communication between 3 nRF52840 dongles using mesh.
Can you suggest me the steps from begining. Also i have read the documentation...
I'm using SDK version 15.0.0_a53641a on nRF52840 with softdevice s140_nrf52_6.1.0_softdevice.hex.
When I enter break points inside ble_evt_handler, it always ends up at...
Hello,
I am trying to get Keil to work to program my Custom PCB. I am using Keil uVision5 MDK-Lite Edition
SDK: nRF5_SDK_12.3.0_d7731ad
Device: MDBT40-256R V3 (nRF51822_AC...