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 have some questions about GPIO interrupt.
Now, I want to know the state of the pin, So I use the gpio_pin_read(PIN) to get the state. But when the pin is suspended...
hi,
i am working on a project were i have to discover all the service on peripheral device and fetch data from it like nrf connect app.
so i am using nrf52832 with sdk...
Hi team
I have a problem that bothers me for days.
I try to run demo ble_app_uart_c with
NRF_SDH_BLE_CENTRAL_LINK_COUNT=8 and NRF_SDH_BLE_PERIPHERAL_LINK_COUNT=1...
I used to program my PCBs using the nrf52840 PDK, however, my mac no longer recognized the PDK. The PDK turns on and the application runs as LED 4 blinks but the LEDs next...
hi,
i am using ble_uart example to take time when data arrives and time when data being sent over bluetooth.
when i prints the time without connecting to bluetooth. then...
Board:custom board
Mesh SDK: V1.0.0
IDE:SEGGER Embedded
Problem a：
When I test the steps specified by “Interactive PyACI”, there is A certain probability of Provisioning...
Hello,
i asked this quastion once in this thread: https://devzone.nordicsemi.com/f/nordic-q-a/32444/reset-on_ble_connect-when-button-event I accepted the given answer but...
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...
