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 All,
i played with the /examples/dfu/secure_bootloader/pca10056_S140_ble_debug.
The application works fine so far.
I do have the following questions.
Is it...
Hi,
I am running into some problems with libuarte. I have two nRF52840-DKs talking to each other over UART. My setup is not ordinary however. The hardware configuration...
Hello -
We are developing a product for the nRF52840 using SDK v17.0.2 and FreeRTOS. Our application uses the RTC configured by FreeRTOS to implement a System ON sleep...
While installing the itsybitsy NRF52840 board from Adafruit in the Arduino IDE, I encountered the following error:
"Tool nrfjprog is not available for your operating system...
I can't get a button to work on a custom board; but same firmware HEX file on a different board works fine.
Using nRF5 SDK 17.0.2, SoftDevice S132 v7.2.0.
using a custom_board...
Hi,
I'm using an nRF52840 and I need to implement a driver in c for an external chip. The c driver is written, and I only need to add specific functions regarding the SPI...
I can't see the answer, so I will write it again.
hello.
nrf24l01p(ptx), nrf51822(prx)
nrf24l01p set
TX_ADDR = 0xA5B300
EN_AA = 0
EN_RXADDR = 1
SETUP_AW =...
Hi, I am trying to add Buttonless DFU functionality to the ble_app_blinky example.
The process I took
1. added the following files to the project
ble_dfu.c ble_dfu_bonded...
Hello, I am trying to implement a basic BLE connection between the nRF52840 Dongle and an Android Device (nRF Connect). I wanted to secure this BLE connection with a passphrase...
Hi everyone,
I am working on buttonless OTA DFU. I have generated my own private and public keys using nrfutil and created the .zip file for DFU.
While generating the...
Using the following image UUID on NRF51822, how do i connect to the host in the nRF5_SDK_12.1.0_0d23e2a softdevice? I used to the example of ..\ble_peripheral\ble_app_uart...
Hi,
I used one nRF52840 dongle and one DK, and placed one sniffer in between to caputure the packets.
The connection interval was set at 7.5 msec, GAP event length is...
I have gone through the nWP-034 document (nRF9160 Hardware Verification Guidelines) and wonder if it exist sample code (firmware) to be used, as a baseline, during regression...
Hi,
we have interfaced Accelerometer Module with NRF52832 using SPI Communication. Psuedo code of code snippet is :
<<Place the snippet here>> Expected : After nrf_spi_transfer...
