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 Nordic Team, I'm trying to setup a gcc/eclipse based environment according to gustavovelascoh.wordpress.com/.../ on Linux/Ubuntu 16.04.1 64Bit. The Ubuntu system lives...
Hi, I would like to make an exact copy of the nRF51 dongle antenna (as was recommended by multiple blog posts by Nordic). I am concerned about the legal issues, and any IP...
I search GPIO pin bit definations and register. I saw pca10040.h GPIO defined.I dont know how to configurated P1DIR, P1EN, P1OUT etc.. I studied Texas Instrument before. I...
Hi,
I'm making my own prototype board using the nRF51822. this board is powered by a rechargeable battery lir2450 (3.6V): www.powerstream.com/.../Lir2450.pdf
i want...
Hello world
after several hours & day, Finally I have to implement this KNN code and nRF51822_adxl345 code. I have implement to one. but there is problem that..
I can...
I am trying to track down a fatal error and want to use the Error module as documented below, to get the line number and file name.
Using eclipse, where should DEBUG be...
Hi,
My customer issue problem on his redmi note4 of mobile.
Step1: The customer used mobile to bond the peripheral of nRF52. And then the nRF52 device add the bond of...
hi,
i am working on generic ble central device which has nrf52832 as it's core.
my question is that i want to know the length of data in bytes which are being sent by...
Dear Nordic,
I have located the Serialization example project (using SPI) for the Connectivity board, but I cannot find an example project for the Application CPU board...
Hi,
I have two WT51822-S4AT boards. My goal is to have this setup:
PC <--> board 1 via UART <--> board 2 via BLE <--> MCU via UART
I have flashed one of the boards...
I am using Taiyo Yuden 's EBSHSNZWZ.
"Ble_app_uart" of the sample program "nRF5_SDK_15.0.0_a53641a" was executed, but the program locked up. * There is no error or warning...
hello,
i'm developing about HR sensor.
so i need to add SAADC function for sensor.
and i had added SAADC code on the ble_app_hrs code.
but some compile error on the...
I try to run zigbee light example with IAR ARm.
When i start programm it return messages in terrminal window. but it are random symbols. I tried to use baudrates 9600 to...
Have you ever wondered what it is like to work in a technology startup? Did you get bored of working in services or fixing bugs and wanted to work on a complete product instead...
