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 found there was a example in "nRF5_SDK_15.2.0_9412b96\examples\dfu\secure_bootloader\pca10056_uart\arm5_no_packs" .
Is there a applicaion example that when it recv a specific...
Hi
I need to connect to perticular central and i know the central MAC address. So i am using whitelisting in peripheral.
I made below changes in my code in ble_app_uart...
I am trying to use the gzp_dynamic_pairing example in SDK version 16 with Segger Embedded Studio and the PCA10040 dev board. There is no project for SES so I copied what I...
Hi,
I am working on nRF5_SDK_17.0.0_9d13099\examples\peripheral\uart project.
How can I increase the UART buffer? like if I have to receive 100+ bytes data how can I read...
I am using a nRF9160 DK. I'm using a Windows 10 system and setup the SDK using nRF Connect.
I've started to experiment with the serial_lte_modem project -- version 1.3.1...
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrfutil%2FUG%2Fnrfutil%2Fnrfutil_intro.html links to two pages which cannot be found: https://infocenter.nordicsemi...
Hi,
I am able to transfer data from my custom peripheral device with nRF52840, but data is moving much slower than it should.
I am writing 244 bytes into NUS within...
Hi,
I am trying to use Cbor library provided the SDK version 1.3.0, I have added the module in my prj.conf file, however the documentation (at the top of cborencoder.c)...
This is the name that is advertised when the device is in DFU bootloader mode.
I've copied the bootloader_secure_ble from /examples/dfu/ but I cannot find where to change...
Hi every body,
My system was able to wake up on gpio on dev kit but after adjusting pin , my custom board is not able to wake up.
I'm in debug mode, it was also working...
Hello,
I am trying to send a single adv packet when a certain condition in the application is met. To do this I am calling ADV_start for the initial adv packet and then...
These questions are in the context of using an nRF52840 in a serialization application. But I don't believe this will impact the information I am trying to understand. The...
I want to program the firmware into a nrf52840 on our custom board to be the NCP and do the DFU over thread. I can not use the DK board and have the nrfutil load the firmware...
Hi,
Our application uses MQTT over TLS to talk to a MQTT broker.
The MQTT APIs used are like in the 'mqtt_simple' sample code.
When mqtt_connect is called with invalid...
