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...
I have noticed that when I run in release mode, turn WDT on, write bonding info, clear bonding info, and reset, my application suddenly uses 2mA more and takes 5 minutes ...
Hi all:
My iOS app use iOSDFULibrary to update my ble.But when the device enter into DFU mode ,it disconnected for a while.
This is my log:
2018-11-27 21:00:11.122263...
Hi Nordic.
Now I am working on a BLE smart card and am adding an external power amplifier. For low power consumption, i decided to give power only when I want PCB doesn...
Hi,
I tried to use nRF52 evaluation kit to program my custom board for that I have used Debug port P19 in evaluation kit. It was working in the beginning but after sometime...
Hello,
I tried to follow the instructions in this tutorial: github.com/.../nRF52832-buttonless-dfu-development-tutorial
1) I flashed this file via nrfjprog: examples\dfu...
The power estimation tool on https://devzone.nordicsemi.com/power/ maxes out at a minimum interval of 7.5ms and a maximum payload of 27 bytes, with 824mA average current....
Hi,
We need to develop an android app that can only scan a nordic ble and send out advertisment packet in our own customised UI and format. Getting the NRF_connect android...
Hi . .
I want to read the data and sent over ble UART app (via ble )
For that I am using Twi sensor ,in order to send the data what are the changes I need to do in twi...
Purchased nrf52840-DK boards for evaluation. Tested ESB protocol example successfully using Segger environment.
1. I could not find any prints on my host screen after i...
hi.......
how to choose the slave address for peripheral device ?
i am using nrf52382 and segger version 15.2
because i want to pass the address in twi sensor
guide...
Hello, Professional，I meet a strange phenomenon,now I use the nrf52832 IC, when I use the ble_app_hrs_freertos in SDK 11, the Power consumption is nomal, The Average current...
Hi,
I am using nRF24L01P and facing issue of RF Performance varies with batch to batch of nRF24L01P with built-in Antenna. To evaluate the performance of the IC and Antenna...
I am trying to run the blinky example together with freertos (nRF52840 pDK, pca10056, segger studio), so I took the hrs_freertos example and added ble_lbs service from blinky...
Hello, I bought part number NRF52832-QFAA-R7 (E0). I dont know (E0) mean. I can't find any information about it in datahseet. Is NRF52832-QFAA-R7 (E0) similar with NRF52832...
