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 am working with a custom board with a third party NRF52832 module. On my board I have a DS3231M real time clock IC communicating with the NRF52832 via I2C/TWI and...
I am trying to have a bluetooth bond between the device and the app,
how to set a security key to bond it with the android app? and also can I know how to encrypt all the...
Hi,
I have a question about getting the appkey from flash:
I am using the device state manager for key management. I do a ramdom generation of netkey and appkey on first...
I have a few different Fanstel Eval boards that contain the nRF52840 SoC - starting with the BT840XE. I'm able to flash the board with example firmware and my own custom firmware...
Been working on an unsoldered, untinkered, and in all ways untainted nRF5340-PDK. No jumpers changes. No solderbridges cut. All working fine, but all of the sudden I cannot...
Hi! I want to program a custom BLE application (as Central/master/GATT client device) to run on a Windows PC using a nRF51 Dongle (PCA10031 board) attached through USB in...
Hi,
I am working on the software development of a product based on an nRF52832.
We began our development on the nrf52810 and then moved on to the nRF52832 as it became...
Hello,
I'm struggling to connect to an MQTT-SN Gateway when the device is configured for low power. Currently using MAC-OS Catalina 10.15.3, SES version 4.42 and have tried...
I tried to install the nRF Connect SDK v1.3.0-rc1 error
I open git-bash.exe to execute the ncsmgr init-ncs command, the following error occurred during the installation...
nRF Connect SDK v1.3.0 using nRF Connect v3.4.2 - ToolChain Manager
I am trying to install nRF Connect SDK v1.3.0 using nRF Connect v3.4.2 - ToolChain Manager using nRF...
I am writing a code to blink the LEDS , the 3rd one is not turning off.
Here is the code-
#include <stdbool.h> #include <stdint.h> #include "nrf_delay.h" #include "boards...
Hi,
My device is using nRF52840 with s140 of SDK v16. BLE feature is used with SD .
Sometimes application hard faults in SD are observed in devices deployed. It is quite...
Hello,
I find that after I DFU a new application (using the nRF Connect Mobile App), my device boots into that new application and reconnects to the App, as expected. Then...
Hi,
I am using nRF51822-CEAA with S110 SoftDevice on a custom board which is commercially deployed now. I am using IAR 7.80.2 and Segger JLink Ultra+. I found there are...
