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 using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi friends,
I'm using a NRF51 IC with this 4.0BLE Modul PTR5518 and i have big problems with Range. As a protocoll i use gazell.
In air it is possible do get some correct...
Hello,
I am currently trying to make an MSD RAM disk with nrf52840 nRF5_SDK_14.0.0 with O0 optimization level. And had no success. For some reason in Keil example O3 is...
Hello every one,
So after I made my 3rd party NRF52832 board and flashed softdevice S132 with arduin ide and ST link V2 I'd like to migrate to something more serious in...
Hi,
Do you know how to make the nodes in the Mesh send back the data to the main device?
For example, a node is a sensor that gets a new value and now needs to send the...
Would like to get continuous advertising data from a known device ID - without connecting. Would like to do this on a Windows PC. I don't see a way to do this with nRF Connect...
Hello,
We are working with the one potential customer . they are working on battery connected beacon project below are the some queries
customer using nrf51822...
i am compiling an code just to store a data to flash and retrieve it. i wrote the code for that i included fstorage.h,section_vars.h and added fstorage.c. I am not using any...
Hi,
In nRF5 SDK v14, in the file ble_advdata.h, there is a routine to create advertisement data from a ble_advdata_t struct that is passed. This struct allows only 1 manufacturer...
This omission leads to linker errors:
_build/app/nrf_ble_gatts_c.c.o: In function `nrf_ble_gatts_c_on_db_disc_evt':
nRF5_SDK/components/ble/ble_services/experimental_gatts_c...
Hi All,
We are working on nRF52832 custom PCB design. We are having a small concern for shielding. Do we need to provide shielding for nRF52832 based boards for FCC certification...
Hello,
I am trying to understand a bit better BLE throughtput in order to use it for my application, having read this Nordic Blog , this post and ATT_MTU Throughput Example...
Hi!
I have adapted the heart rate example to have just one service and one characteristic. Initializing works fine and I can read the initial value of 0x00 using my cell...
Hi all,
i have a question about the communication client and server.
I'm using for my project a nrf52 and softdevice s132 v2.0.0, reading the datasheet i can understood...
Hello
we have a projekt with periperal "ble-app-blinky" und central "ble_app_blinky_c".
how to do:
when the "peripheral" battery is below 2.3V
then the led 4 on "central...