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 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...
Hi,
I am trying to use APP_TIMER to detect if a sensor isn't responding to I2C Commands. I created and started the timer with the following steps. The project is based...
I'm using an ISP1807 at 1.8v in a very space constrained and power constrained device.
Is it ok to connect unused pins to GND to make routing easier?
Pins 3, 5, 8, 10...
H,
I am using the SDK 15.0.0 and Segger Embedded Studio for ARM V3.40.
I have been successfully defining a flash memory section for data exchange between the bootloader...
Hi,
I would like to enable the RAI support in the latest master branch of nRF.
Therefore I had a look at the kconfig reference:
https://developer.nordicsemi.com/nRF_Connect_SDK...